SPEED POST
Baart sarkarGovernment of India kond`Iya ivaVut p`aiQakrNa Central Electricity Authority
piScama xao~Iya ivaVut saimait Western Regional Power Committee
ef -3, emaAayaDIsaI xao~, AMQaorI (pUva-), mauMba[- - 400 093 F-3, MIDC Area, Andheri (East), Mumbai - 400 093
Aa[- esa Aao : 9001-2008
ISO : 9001-2008
dUrBaaYa Phone: 022- 28221636; 28200194/95/96; fO@sa Fax : 022 - 28370193 Website : www.wrpc.gov.in E-mail : [email protected]
saM :pxaoivasa /22vaI pxaoivasa baOzk/ saha saicava/ 2013-3343 No. WRPC/22ND WRPC Mtg./AS/2013/3343 Date : 03.04.2013
saovaa maoM, /To,
( saMlagna saUcaI ko Anausaar ) (As per enclosed list) ivaYaya : piScama xao~Iya ivaVut saimait kI baavaIsavaIM baOzk kI kaya-vaRt Sub.: Minutes of the 22nd meeting of Western Regional Power Committee
mahaodya/Sir, [sa p~ ko saaqa 26 frvarI 2013 ³ maMgalavaar ´ kao gaaMQaInagar maoM Aayaaoijat piScama xao~Iya ivaVut saimait kI
baavaIsavaIM baOzk evaM [sasao phlao 25 frvarI 2013 (saaomavaar) kao Aayaaoijat tkinakI samanvayana saimait kI baOzk kI
kaya-vaRt saMlagna hO.
Please find enclosed herewith the Minutes of the 22nd meeting of Western Regional Power
Committee held on 26TH February 2013 (Tuesday) preceded by TCC meeting on 25th
February 2013 (Monday) at Gandhinagar for your needful.
BavadIya/Yours faithfully, saMlagna :]prao@tanausaar
Encl: As Above Sd/-
(sau d TaksaanDo/ S D Taksande) sadsya saicava(p`)/Member Secretary(I/c)
MAILING LIST FOR 22ND WRPCList of members of TCC
1 CMD,MSEDCL& Chairman, WRPC 1 Director(Operation),MSETCL & Chairman, TCC2 Member (GO&D), CEA, New Delhi 2 Chief Engineer (GM), CEA, New Delhi.3 Managing Director, CSPTCL,Raipur 3 Managing Director,CSPTCL,Raipur.4 Managing Director, CSPDCL, Raipur. 4 Executive Director (O & M), CSPDCL, Raipur.5 Managing Director, CSPGCL, Raipur. 5 Chief Engineer(O&M:Gen), CSPGCL, Raipur6 Chief Engineer (LD), SLDC, Raipur. 6 Chief Engineer (LD), SLDC, Raipur.7 Chairman, GSECL, Vadodara 7 Executive Director(Gen.), GSECL, Vadodara8 Managing Director, GSECL, Vadodara9 Managing Director, GETCO, Vadodara. 8 Addl.Chief Engineer (R & C), GETCO, Vadodara.10 Managing Director UGVCL, Mehsana (Gujarat) 9 Chief Engineer(Operation)UGVCL,Mehsana(Guj.)11 Chief Engineer (LD), SLDC, GETCO, Vadodara. 10 Chief Engineer (LD), SLDC, GETCO, Vadodara.12 Managing Director, MPPTCL, Jabalpur 11 Managing Director, MPPTCL, Jabalpur
13 Chairman & Managing Director, MPPGCL, Jabalpur. 12 Executive Director (O&M-Gen), MPPGCL, Jabalpur.
14 Chief Engineer(Comml.)MP Paschin KVVCL,Indore 13 Chief Engineer(Comml.)MP Paschin KVVCL,Indore
15 CE(LD), SLDC, MPPTCL, Jabalpur. 14 CE(LD), SLDC, MPPTCL, Jabalpur.
16 Chairman & Managing Director, MSETCL, Mumbai. 15 Director (Operation), MSEDCL, Mumbai.
17 Chairman & Managing Director, MSEGCL, Mumbai. 16 Director (Operation), MSEGCL, Mumbai.
18 Chief Engineer (LD), SLDC, MSETCL, Kalwa. 17 Chief Engineer (LD), SLDC, MSETCL, Kalwa.19 Chief Electrical Engineer, Electricity Dept., Goa 18 Chief Electrical Engineer, Electricity Dept., Goa20 Secretary(P), UT of Daman & Diu, Moti Daman. 19 Executive Engineer, DD, Nani Daman21 Secretary(P), UT of DNH, Silvassa. 20 Executive Engineer, DNH, Silvassa22 Director (Comml.), NTPC Ltd., New Delhi. 21 Regional ED, NTPC Ltd., WRHQ-I, Mumbai.
22 Regional ED, NTPC Ltd., WRHQ-II, Raipur24 Director (Operation), NPCIL, Mumbai. 24 Chief Engineer (Trans), NPCIL, Mumbai.25 Director (Operation), PGCIL, Gurgaon. 25 Executive Director, WRTS-I, PGCIL, Nagpur.
26 Executive Director, WRTS-II, PGCIL, Vadodara.26 Chief Executive Officer, NLDC, New Delhi. 27 Chief Executive Officer, NLDC, New Delhi.27 General Manager, POSOCO, WRLDC, Mumbai. 28 General Manager, POSOCO, WRLDC, Mumbai.
28 Executive Director (O), Tata Power Company, Mumbai. 29 Vice President, Tata Power Company, Mumbai
29 Managing Director, RGPPL, Noida 30 General Manager (Power), RGPPL, Ratnagiri30 Chief Executive Director, NHDC Ltd, Bhopal. 31 General Manager, ISP, NHDC Ltd, Indore
31 Executive Director, Torrent Power Generation, Surat 32 Executive Director (O&M), Torrent Power, Surat
32 Vice President(BD), APL, Ahmedabad 33 AGM(BD), APL, Ahmedabad
33 Executive Vice President (Gen.),Jindal Power Ltd,Raigarh 34 Sr. Vice President (O&M), Jindal Power Ltd,Raigarh
34Exe. Director,Torrent Power Ltd Ahmedabad 35
Vice President, Torrent Power Ltd., Sola Rd., Ahmedabad
35 Director, GMR Energy Trading Ltd., Bangluru 36 AVP, GMR Energy Trading Ltd., Bangluru
36 Director & CEO, JSW Energy Ltd.,New Delhi. 37 Director(Technical&Projects),JSW Energy Ltd.,Delhi
37 Member Secretary, WRPC, Mumbai 38 Member Secretary, WRPC, Mumbai
Copy to Special Invitees1 Member Secretary, ERPC, Kolkata 1 CMD, MP Tradeco, Jabalpur.2 Member Secretary, SRPC, Bengaluru 2 Managing Director, GUVNL, Vadodara.3 Member Secretary, NERPC, Shillong 3 Member (Power), NCA, Indore.4 Member Secretary, NRPC, New Delhi
List of members of WRPC
Baart sarkar
Government of India kond`Iya ivaVut p`aiQakrNa
Central Electricity Authority
piScama xao~Iya ivaVut saimait WESTERN REGIONAL POWER COMMITTEE
p xao iva sa kI idnaaMk 26 frvarI 2013 kao gaaMQaInagar maoM Aayaaoijat
22 vaI baOzk kI kaya-vaRt
MINUTES OF 22nd MEETING OF WRPC HELD ON 26TH FEBRUARY 2013 AT GANDHINAGAR
mauMba[- MUMBAI
C O N T E N T S ITEM NO. PARTICULARS PAGE NO
ITEM No.1 CONFIRMATION OF THE MINUTES OF THE 21st MEETING OF WRP COMMITTEE 3
ITEM No.2 STATUS OF IMPLEMENTATION IN WR ON RECOMMENDATIONS OF REPORT ON GRID DISTURBANCE ON 30TH AND 31ST JULY 2012 4
ITEM No.3 OTHER RECOMMENDATIONS (OF ZALTE COMMITTEE) 5
ITEM No.4 IMPLEMENTATION OF DEMAND MANAGEMENT(IEGC 5.4), GRID SECURITY EXPERT SYSTEM AND DEMEND ESTIMATION 9
ITEM No.5 PERFORMANCE OF WR GRID DURING OCTOBER 2012 TO JANUARY 2013 10
ITEM No.6 ANTICIPATED POWER SUPPLY POSITION IN WESTERN REGION FOR THE PERIOD FROM MARCH 2013 TO MAY 2013 17
ITEM No.7 ANNUAL LOAD GENERATION BALANCE FOR THE YEAR 2013-14 18
ITEM No.8 UP-GRADATION OF BINA-GWALIOR-AGRA LINK TO 765 KV OPERATIONS 19
ITEM No.9 DECISIONS ON IMPORTANT ITEMS FROM 35TH SCM HELD ON 03/01/2013 AT GURGAON 20
ITEM No.10 PROGRESS/STATUS OF INSTALLATION OF BUS REACTORS APPROVED IN THE 33RD AND 34TH SCM 26
ITEM No.11 PROCUREMENT OF SOFTWARE 27
ITEM No.12 RENEWABLE REGULATORY FUNDS MECHANISM 28
ITEM No.13 EVACUATION OF POWER FROM KORBA STPS-III OF NTPC. 30
ITEM No.14 SCHEDULING OF KAWAS AND GANDHAR 33
ITEM No.15 DECLARATION OF TRANSMISSION ELEMENTS INTO COMMERCIAL OPERATION BY PGCIL. 34
ITEM No.16 SCHEDULING ISSUES AT NTPC STATIONS DURING FUEL SHORTAGE CONDITIONS 38
ITEM No.17 OUTAGE PROGRAMME OF TRANSMISSION LINES/ELEMENTS 41
ITEM No.18 STATUS OF LC OPENING TOWARD UI PAYMENTS . 42
ITEM No.19 RECONCILIATION OF UI AND REC POOL ACCOUNT FOR THE PERIOD OCT’12-DEC’12.
42
ITEM No.20 STATUS OF REC PAYABLE/RECEIVABLE TO UI POOL ACCOUNT AS ON 21ST JAN’ 2013 44
ITEM No.21 SUMMARY OF THE DISCUSSIONS ON APPLICATIONS OF
CONNECTIVITY/LONG TERM ACCESS/MEDIUM TERM OPEN ACCESS IN WR AGREED IN 35TH SCM & 17TH MEETING OF WR CONSTITUENTS ON CONNECTIVITY/LTA HELD ON 03.01.13:
44
ITEM No.22 DECLARATION OF GENERATING UNITS INTO COMMERCIAL OPERATION & SYNCHRONISATION/CONNECTION OF GENERATING UNITS WITH/TO THE GRID.
37
ITEM No.23 STATUS OF TRANSMISSION LINES PROGRESS 50
ITEM No.24 STATUS OF COMMISSIONING OF NEW GENERATING UNITS 51
ITEM No.25 RENOVATION AND MODERNISATION OF WRPC OFFICE BUILDING 52
ITEM No.26 MEMBERSHIP OF WRPC 54
ITEM No.27(SA1)
Interim connectivity to CTU network for M/s IEPL unit no1(270MW for testing and commissioning
55
ITEM No.28 DATE AND VENUE OF NEXT WRPC MEETING 56
ANNEXURES
Annexure Particulars
Annexure-1 Comment on Item no 19 of minutes of 21ST WRPC meeting by WRLDC
Annexure-2 The current Status of implementation in WR on Recommendations of Report on Grid disturbance on 30th and 31st July 2012 as on 10.01.2013
Annexure-4 Discussion in the GSES held in NRPC Meeting
Annexure-4A CSPTCL comments ON Grid Security Expert System Annexure-5.1(a).
Frequency profile for the months of OCTOBER 12 to JANUARY 2013
Annexure-5.1(b) Power supply position for the months of OCTOBER 12 to JANUARY 2013
Annexure-5.2 Voltage profile for the months of OCTOBER 12 to JANUARY 2013
Annexure-5.3 Performance of AUFLS scheme during the period of OCTOBER 12 to JANUARY 2013
Annexure-6 ANTICIPATED POWER SUPPLY POSITION
Annexure-12 WRLDC letter dated 4th Feb’2012
Annexure 15 DECLARATION OF TRANSMISSION ELEMENTS INTO COMMERCIAL OPERATION BY PGCIL
Annexure-16.1 GUVNL letter No. GUVNL:GM(Com.):209 dated 31.01.2013
Annexure-16.2 NPC vide letter No. CE/PP/NTPC/33820 dated 06.12.2012
Annexure-22
DECLARATION OF GENERATING UNITS INTO COMMERCIAL OPERATION & SYNCHRONISATION/ CONNECTION OF GENERATING UNITS WITH/TO THE GRID.
Annexure-25 PGCIL letter
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 1
MINUTES OF THE 22nd MEETING OF WESTERN REGIONAL POWER COMMITTEE HELD ON 26th FEBRUARY 2013 AT GANDHINAGAR
The 22nd WRPC meeting was held on 26th February 2013 at Gandhinagar and
it was preceded by the TCC meeting on the 25th February 2013 at Gandhinagar. The
meeting was hosted by GETCO.
The list of participants is enclosed at Annex-I
During the inaugural session Shri S.D.Taksande, Member Secretary I/c,
WRPC welcomed Shri Saurabhbhai Patel, Hon’ble Minister of Energy and Petro-
chemicals Gujarat state who had kindly consented to address the meeting. He
welcomed Shri D.J.Pandian, Principal Secretary, Govt of Gujarat, Shri Arvind Singh,
CMD, MSETCL who would be chairing the WRPC meeting and Shri U.G.Zalte,
Director, MSETCL and TCC Chairman. He informed that during the recent grid
disturbances of July 2012 WR survived, because of the concerted efforts made by
the constituents of WR. He requested Shri Saurabhbhai Patel, Hon’ble Minister of
Energy and Petro-chemicals Gujarat state to share his valuable views on power
sector to delegates.
Shri Saurabhbhai Patel, Hon’ble Minister of Energy and Petro-chemicals
Gujarat state welcomed all the delegates. He informed that energy is a very
important infrastructural input which is basic to any development. In spite of the
increase in generation, still there are many areas in the energy sector that require
immediate attention and there is a need to change the mindsets. There has to be
adequate transmission corridors. Policy decisions are required to be taken which
shall result in optimal cost. There was also a need to examine subsidies across
various sectors. He informed that solar power development in Gujarat has come up
in a big way. In the past few years the power sector has stabilized the frequency,
computerized many areas, which are good signs of developments. Finally he wished
that the delegates shall flag such decisions at the highest levels so that suitable
policies are framed to improve overall Power Sector efficiency.
Shri Arvind Singh, CMD, MSETCL on behalf of Shri Ajay Mehta, CMD
MSEDCL & Chairperson , WRPC welcomed Shri Saurabhbhai Patel, Hon’ble
Minister of Energy and Petro-chemicals Gujarat state, Shri D.J.Pandian, Principal
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 2
Secretary , Shri Raj Gopalan, MD GUVNL and other delegates from various power
sector organizations attending the WRPC meeting.
He thanked Shri S.K.Negi, Managing Director GETCO, for consenting to host this
meeting of WRPC and making excellent arrangements for the meeting and for
comfortable stay of the members attending the TCC and WRPC meetings.
He then presented the performance of WR power system during the period.
He informed the delegates that during the period October 2012 to January 2013 the
regional demand were in the range of 40000 MW to 41500 MW. The corresponding
peak shortfall was in the range of 1000 MW to 3000 MW which is equivalent to 2 %
10.00%. The energy requirement during the said period is in the range of 24000 MUs
to 26500 MUs. The energy deficit observed was of the order of 35 MUs per day to 45
MUs per day which is equivalent to 3.0% to 4.5 % respectively. The percentage time
frequency was in permissible range of 49.7 to 50.2 Hz was 81.00% to 91.0% during
this period.
In the current year 2012-13 since April 2012 an additional generation capacity of the
order of 6970 MW has been commissioned in the region. Additional transmission
capacity of EHV 220 kV, 400 kV and 765 kV intrastate and interstate transmission
network of 2224.26 Ckt Km has been commissioned in the region since April 2012.
As the status on various schemes is being monitored by the Committees in quarterly
Transmission Review meetings, it is observed that in view of the coming up of
additional generation capacity, adequate transmission capacity in the region has
been commissioned at EHV level by CTU /PGCIL and the other private agencies
under the IPTC route are also in the process of nearing completion of the schemes.
It is therefore necessary that the downwards EHV system planned for getting
connected with the CTU network is completed expeditiously in line with the schedule
of progress.
During the period November 2012 to January 2013 the voltages at different
important 400 kV sub- stations are in the range of 387 kV to 442 kV and 765 kV sub-
station are in the range of 735 kV to 806 kV. For the voltage control at various
important nodes(S/S) in WR, 34th Standing committee meeting held on 09th May,
2012 on power system planning of WR recommended for installation of reactors at
seventeen locations. (in addition to 10 reactors of 33rd SCM ).
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 3
Shri D.J.Pandian, Principal Secretary, Govt of Gujarat welcomed all the
dignitaries on the dias and delegates of the meeting. He expressed pleasure in
working with the Hon’ble Minister Shri Saurabhbhai Patel. In this period Gujarat has
happily progressed in terms of generation, both renewable and non–renewable
energy sources. The need is to address transmission and distribution issues. He
thanked all the constituents of WR for disciplined grid operation which is the most
important requirement for operation of power sector. A rising challenge is in terms of
wind and solar energy because wind in particular has difficulties in forecasting and
control. He hoped that the deliberations would be useful in resolving various issues
in western region power sector.
After the inaugural session, the WRPC meeting agenda items were taken up
for discussion by Member Secretary, WRPC.
ITEM No.1: CONFIRMATION OF THE MINUTES OF THE 21st MEETING OF WRP COMMITTEE
Member Secretary I/c, WRPC stated that minutes of 21st meeting of WRP Committee
held on 09.11.2012 at Raipur were forwarded to the members vide letter No.
WRPC/21ST WRPC Mtg./AS/2012/ 11757 dated 13.12.2012.
GM, WRLDC vide letter dated 24.01.2013 have sent their comments on item 19 of
minutes of 21st WRPC meeting (enclosed at Annexure-1) and requested for
correction in the total numbers of SEM/DCDS.
“The summary of requirement of SEMs and DCDS up to 2014 is as follows:
Items No. of Main meters
No. of stand-by/Check meters
Total No of SEMs/DCDs
Total No. of SEMs required 268 71 339 Spares @20% 68 Net Total 407 Total No. of DCDs required 26 Spares @20% 5 Net Total 31 TYPE OF METER Model-A
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 4
Corrections sought by WRLDC was accepted and WRP Committee confirmed the minutes with the above corrections.
ITEM NO. 2: STATUS OF IMPLEMENTATION IN WR ON RECOMMENDATIONS
OF REPORT ON GRID DISTURBANCE ON 30TH AND 31ST JULY 2012:
Member Secretary I/c, WRPC informed that the current Status of implementation in
WR on Recommendations of Report on Grid disturbance on 30th and 31st July 2012
as on 10.01.2013 is given at Annexure-2. He further informed the members to
apprise of the current status with respect to those recommendations that come
within the scope of RPC.
TCC discussed the above recommendations. Shri S.K.Negi, MD, GETCO informed
that GETCO had carried out the protection audit and also complied with the
recommendations of the audit, which were carried out by M/s Voltamp after tender
process. He informed that the audit was very useful to GETCO system.
Member Secretary I/c, WRPC requested constituents to update the status regularly
since it is monitored at high level on monthly basis. Regarding Zone 3 settings, he
informed the members that latest Transmission Planning Criteria was issued by the
CEA and the same had some recommendations on Zone 3 settings, to address the
issue of tripping of lines in Zone-3 due to load encroachment/power swing.
Regarding WAMS, PGCIL intimated that PMUs under URTDSM were being
procured through NIT in March 2013. IIT-B is associated with Analytics
development. GETCO informed that they are also installing 25 PMUs and with IIT-B
for analytics for On line security assessment, oscillations modes analysis, hybrid
state estimator, voltage stability. WRLDC informed that they have installed 4 PMUs
and 7 more are being installed in WR. WRLDC have in house developed analytics
for FFT, prony analysis, wavelet transforms.
Regarding review of UI mechanism, GETCO informed that 150 MW or 12 % of
schedule overdrawl in the UI mechanism was too strict a band for controlling the
drawls in line with the schedule, particularly when non conventional sources like
wind energy are present, as there is a high degree of uncertainty with the wind
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 5
generation. This causes problems in load dispatching. They requested WRLDC to
widen the band by taking the issue with the Hon’ble Commission CERC.
The present status of the recommendations is given at Annex 2.1.
WRPC/TCC noted.
ITEM NO. 3: OTHER RECOMMENDATIONS (OF ZALTE COMMITTEE)
A. Defense Mechanism for high frequency
BackGround: Member Secretary WRPC, informed that after detailed studies by
WRLDC following units were identified for automatic tripping at high frequency (51.5
Hz) to help arresting the rise of frequency in case of islanding of WR from rest of
NEW grid :
1. KSTPS-7 (500 MW) 2.VSTPS-7 ( 500 MW) 3. CGPL-10 (830 MW)
During the 21st TCC meeting held on 8.11.2012, Member Secretary I/c WRPC had
informed that in the PCM meeting held in 7th September 2012 in Pune, different
utilities are adopting different high frequency trip settings with different time delays
and were no identified units to trip and random tripping takes place. He had informed
that the intention of the Zalte committee was to identify three units, checked by
simulation studies, which would definitely trip at 51.5 Hz. During the 21st WRPC
meeting, ED(Commercial), NTPC WR intimated that the matter regarding tripping of
NTPC units Korba-7 and VSTPS-7 was discussed will be NTPC Corporate and in the
opinion of NTPC high frequency situation does not warrant a tripping of there units.
He informed that the machine will be fully unloaded by governor action and if further
discussions are required the same can be discussed in the 29th November 2012
meeting.
In the meeting held on 29.11.2012, NTPC expressed concern that in the grid of
40,000 MW, identification of units should be done equitably. Only NTPC units should
not be singled out for the said issue.
NTPC representative made following points:
i. Rise in frequency is not a situation which warrants drastic action to trip units
to reduce generation, as it cannot cause a collapse of the power system,
unlike the situation of low frequency. High frequency can be easily controlled
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 6
by controlling the generation. From the system point of view higher than
nominal frequency is not considered dangerous/harmful to the system and
system equipments.
ii. At frequency varying from 51.0-51.5Hz, all thermal machines in the system
(except the older mechanically governed machines), including CCGT units will
start unloading as per the droop characteristics. Assuming a governor droop
of 5%, this would result in reduction of 20% of the generation capacity in
service, for a frequency rise of 0.5Hz, above this threshold. This unloading
feature can neither be offset beyond 51.5Hz nor can it be prevented, being a
safety feature.
iii. CCGT units at Jhanor start unloading at 51.2Hz and are wired to trip at
51.7Hz. Kawas CCGT units start unloading at 51.2Hz as per its governor
droop.
iv. In the event of such a frequency rise it is likely that some generators trip
during the re-adjustment of their process, inadvertently. During the said
disturbance also such tripping had taken place. If the total generation
available after such intended and inadvertent unit outages fall short of the
load, the system will be facing a far more disastrous frequency decline
situation.
In reply, Member Secretary I/c, WRPC intimated that a quick and adequate response
in generation dropping was required under such disturbances which was a rare
situation. The tripping of above units have been arrived by giving due considerations
to the above facts and system studies carried out by WRLDC. Also it may be noted
that the above trippings have been envisaged after resorting to all the measures
required to be undertaken under such circumstances by WRLDC in the real time grid
management. Therefore NTPC should not feel that the above units have been
singled out.
In view of system security, NTPC may agree to the above recommendations of
WRPC and implement the tripping of above generators at high frequency of 51.5 Hz.
Discussions: During the TCC, NTPC informed that they have reviewed the stand
and NTPC in principle accepts the proposal with the following conditions:
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 7
i) In view of the addition of new capacities and change in dynamic flows
in NEW grid, the above proposal shall not be on a permanent basis and
reviewed in a period of one year.
ii) In line with the scheduling clauses under IEGC, UI of the units shall be
immediately suspended from the time block in which the tripping occurred due
to the operation of the high frequency protection .Schedule Generation shall be
equal to Actual generation from the time command is received till as advised by
RLDC so that the stations do not suffer commercially while trying to enhance
the grid security.
iii) DC of the station prior to tripping shall continue to be Deemed DC till
the revival of the unit in respective station.
iv) To avoid tripping in transient conditions/spurious frequency rise to 51.5
Hz, if any, a suitable tripping logic like the mechanism of df/dt or some time
delay logic as deemed fit for tripping of the above units may be considered for
incorporation. The committee decision for the same shall be final and agreed
upon by NTPC.
Member Secretary I/c WRPC, stated that with WRPC agrees for the high
frequency tripping with the above conditions, the defense mechanism of high
frequency tripping of units can now be incorporated by NTPC.
WRPC noted as above.
B. SPS of 400 kV Bina-Gwalior lines:
Background: Member Secretary I/c WRPC informed that following Units in WR
were to be considered for backing down to the tune of 500 MW in the event of
tripping of Agra-Gwalior lines and Bina-Gwalior lines :
B. ) Korba, Sipat, Vindhyachal STPS to control power flow towards ER
ii) CGPL & SSP* to control power flow in Zerda-Bhinmal-Kankroli lines
iii) JP Bina to control power flow in Bina-Mehgaon-Gwalior lines &
iv) ISP* to control power flow in Badod-Kota-Modak lines
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 8
*Since SSP and ISP are hydro units and may not be always available, Committee
recommended backing down of 500 MW at Korba, Sipat, Vindhyachal, CGPL and JP
Bina.
During TCC meeting held on 8.11.2012 GM, NTPC stated that NTPC units are
participating in RGMO. He stated that CERC norms require generation backing down
from short term, then medium term and long term units. These units are not
transacting with any utility in NR. Hence backing down of generation on SPS is not
required. Members felt that, the above arguments are valid during the steady state
conditions. Also the scheduling is done based on the assessment of availability of
transmission corridors by considering designed contingencies stipulated in IEGC.
However in real time, as seen during the GDs, there is hardly any time for manual
intervention for taking corrective actions. The actions suggested above by NTPC
may require considerable time. Further the electrical flows follow law of physics and
curtailment of schedules may not be a solution for maintaining the system stable
under tripping of these lines, since this may lead to rush of power in the other
corridors and may lead to unnecessary tripping other elements in WR system.
Discussion: In view of the above, Member Secretary WRPC once again requested
NTPC to participate in the above scheme in the TCC meeting.
ED(WR-I) NTPC stated that, NTPC in principle, is in agreement with the scheme
however the schemes should be reviewed at yearly intervals. The control signals
shall be made available at NTPC stations. He further requested that, whenever the
scheme operates Actual Generation (AG) shall be made equal to Scheduled
Generation( SG) during the period the generation was backed down.
WRLDC informed that under IEGC 6.5.17 clause, if the operation of the scheme can
be treated as creating a transmission corridor constraint on Inter Regional links, AG
can be made equal to SG.
GETCO representative stated that the STOA should be curtailed first under such
circumstances and then the AG shall be treated as SG.
MD GETCO suggested that in case the flow on 400kV Bina-Gwalior line exceeds a
preset overload, an alarm should be set and necessary control actions shall start so
that tripping can be avoided.
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 9
WRP Committee accepted the above suggestions and requested PGCIL to provide tele-metering and control signals at the generating stations.
ITEM NO 4: IMPLEMENTATION OF DEMAND MANAGEMENT(IEGC 5.4), GRID SECURITY EXPERT SYSTEM AND DEMAND ESTIMATION: Member Secretary I/c, WRPC informed that a petition was filed by PGCIL with the
Hon’ble Commission CERC (Petition 265/MP/2012) seeking Commission’s approval
for implementation of Grid Security Expert System by PGCIL in all the five regions.
As stated in Items no 3 & 4 of the ROP dated 10th January 2013 that the RPCs of all
five regions would also take up the issue of “Implementation of Automatic Demand
Management Scheme at SLDC/DISCOM level” (ADMS) and “Implementation of Grid
Security Expert Systems” (GSES) as an agenda item within one month from the date
of issue of this ROP and file their decisions within one week thereafter, after serving
copies thereof on all the constituents of the respective RPC.
He informed that both the issues were discussed in the Protection Committee and
Operation Co-ordination Committee levels. He also informed that the matter was
under discussion in other RPCs as well. The brief description of the above and
relevant IEGC clauses and other information is given in Annex 4.1
The outcome of discussions was informed to the TCC. The TCC after discussion
recommended the following:
1) The implementation of GSES and ADMS were agreeable in principle.
2) As the Automatic Demand Management Scheme is a subset/ part of GSES
and therefore it was recommended that the same will be implemented along with
GSES.
3) Settings of frequency based defense mechanisms and quantum of load
shedding etc., needs to be co-ordinated with other regions of the NEW Grid.
4) Manual load shedding, Automatic load shedding by demand management and
load shedding under AUFLS and df/dt of GSES requires to be co-ordinated to avoid
overlap and have clear distinction between manual actions and automatic control
actions.
5) Logic, technology, communication facilities, funding and controlling agencies
needs to be addressed.
6) Possibility of including WAMS data in the above schemes requires to be
explored.
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 10
The TCC recommended that to discuss the above issue a group comprising of
representatives of concerned utilities at appropriate levels shall require to be formed
and the group may place its recommendations to the WRPC for its vetting and
approval.
WRPC accepted the recommendations of TCC and Chairperson requested Member Secretary I/c to communicate to the Hon’ble Commission CERC the decision of WRPC and put up recommendations of group thus formulated to next WRPC meeting. ITEM No. 5: PERFORMANCE OF WR GRID DURING OCTOBER 2012 TO
JANUARY 2013
Member Secretary I/c requested GM, WRLDC to present the highlights system
performance during October 2012 to January 2013. GM, WRLDC presented the
highlights of the system and the same is as follows.
5.1 SYSTEM PERFORMANCE Frequency: During months of October, November, December 2012 & January 2013, the grid
operated in the IEGC frequency range of 49.7 Hz to 50.2 Hz for 90.39 %, 85.83 %,
84.10 % and 80.95 % of time respectively. The frequencies below 49.7 Hz were from
1.79 % to 4.63 % of time during October 2012 to January 2013. In higher frequency
regime, system frequency remained above 50.20 Hz for 6.28 %, 12.38 %, 11.51 %
and 14.42 % of time respectively in October, November, December 2012 & January
2013. The monthly average frequency was 49.98 Hz in October 2012, 50.02 Hz in
November 2012, 50.00 Hz in December 2012 and 50.01 Hz in January 2013.
The instantaneous frequency didn’t touched 48.8 Hz during October, November,
December 2012 & January 2013. The detail of frequency profile for the months of
October 2012 to January 2013 is placed at Annexure-5.1(a). Significant Under Drawal a F>50Hz: Madhya Pradesh, Gujarat and Maharashtra
had under drawn during the period 7th Jan’13 o 13th Jan’13 at frequency greater
than 50Hz. which further pushed the frequency up.
Advisory Messages: Advisory messages type A, B and C were issued by WRLDC to WR constituents for
curtailing over drawal as below:
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 11
Message type /Constituent A B C Total GETCO October -2012 0 0 0 0 November -2012 0 2 0 2 December -2012 2 2 1 5 January - 2013 1 3 0 4 MPPTCL October -2012 1 0 0 1 November -2012 7 2 0 9 December -2012 8 8 1 17 January - 2013 2 1 0 3 CSPTCL October -2012 0 0 0 0 November -2012 0 1 0 1 December -2012 2 4 1 7 January - 2013 2 3 0 5 MSETCL October -2012 0 0 0 0 November -2012 3 1 1 5 December -2012 4 4 1 9 January - 2013 0 3 0 3 DD October -2012 0 0 0 0 November -2012 0 0 0 0 December -2012 0 0 0 0 January - 2013 0 0 0 0 DNH October -2012 0 0 0 0 November -2012 0 0 0 0 December -2012 0 0 0 0 January - 2013 0 0 0 0 GOA October -2012 0 0 0 0 November -2012 0 0 0 0 December -2012 1 0 0 1 January - 2013 0 0 0 0
No regulatory measures were required to be taken.
Energy Exchanges: There were net inter-regional export of 1200 MUs, 595.961
MUs, 276.01 MUs and 1917.404 MUs by WR against net export schedule of 1083
MUs, 689.352 MUs, 43.516 MUs and 1752.518 MUs respectively in October,
November, December 2012 & January 2013. The instances of overdrawal and TTC
violation by neighbouring regions were taken up by WRLDC in real time. The
messages issued by WRLDC for curtailment of overdrawl/ TTC violation to other
regions
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 12
LINK NR ER TOTAL
No of O/D Messages
October -2012 2 0 2 November -2012 0 0 0 December -2012 4 0 4 January - 2013 0 0 0 No of TTC Messages October -2012 0 0 0 November -2012 0 3 3 December -2012 0 30 30 January - 2013 0 0 0 TTC MESSAGES issued to Regional Entities of WR during October, November & December 2012 :- CONSTITUENT GETCO MPPTCL MSETCL CSPTCL Goa DNH TOTAL NO.OF TTC MSGS
October -2012 0 0 0 0 0 0 0 November -2012 0 0 0 0 0 0 0 December -2012 4 13 9 6 0 0 32 January - 2013 0 0 0 0 0 0 0
Demand : The maximum unrestricted demand of Western Region was 41479 MW, 40302 MW,
41131 MW and 41026 MW in October, November, December 2012 & January 2013
respectively, as compared to 43409 MW, 43839 MW, 43737 MW and 41753 MW
during the same months last year respectively. The region faced capacity shortage
in the range of 590 MW to 2315 MW (peak deficit of 1.42 to 5.64%) respectively
during these months. The details of unrestricted peak demand, demand met and
energy requirement and availability are as furnished at Annexure-5.1 (b). 5.2 Voltage Profile 5.2.1 Overall voltage profile had been satisfactory during the period under review.
However, instances of low and high voltages beyond the IEGC specified operating
range were observed at some of the EHV sub-stations in the region. Higher voltages
in the range of 421 kV to 442 kV were noted at Indore, Itarsi, Karad, Dhule, Kasor,
Bhilai, Jetpur, Bina, Gwalior, Nagda and Khandwa substations. Also the 765 kV
Seoni Substation touched to 806 kV on 13th December, 2012. To contain high
voltages WRLDC resorted to opening of lightly loaded EHV lines on certain days.
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 13
The detail of voltages at important 400 kV and 765 kV sub-stations for the months
October 2012 to January 2013 is placed at Annexure- 5.2. The voltage duration curve at Bhadravathi and Raipur shows that voltage was
above 420kV for most of the period during Oct’12 to Jan’13. At Bhadravathi voltage
was above 420kV for 99%,99%,83% and 96% for Oct’12,Nov’12, Dec’12 & Jan’13
respectively and at Raipur 100%,100%,89% and 100% for Oct’12,Nov’12,Dec’12 &
Jan’13 respectively
5.2.1 Concern was noted of the excessive voltages present in the grid and control actions were requested to be initiated at around 420 kV itself.
5.3 AUFLS Performance. The month-wise details relating to performance of AUFLS scheme in Western
Region during the period October 2012 to January 2013 in terms of quantum of load
relief obtained and number of occasions the UFR operated is at Annexure-5.3. Frequency didn’t touched 48.8 Hz during the period October 2012 to January 2013
and as such there were no UFR operation in WR grid.
WRP Committee noted the above 5.4 Black Start Mock Drill in WR: The Status of Black Start Block Drill in WR is as follows.
Sl.No
Generating station Date of mock drill exercise
1 Indira Sagar Hydro Power Plant ,MP
22nd May,2011
2 Bargi Hydro Power Plant,MP 10th Feb,2012
3 Sardar Sarovar Hydro power Plant (SSP)
8th April,2012
4 Bango Hydro Power Plant,Chattisgarh
26th Aug,2012
5 Ghatghar pump storage 5th Oct,2012
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 14
6 Pench 12th Oct,2012
7 Uran 16th Oct,2012
8 Koyana 23rd Oct,2012
9 CCPP, Vatva,Gujarat 28th Nov,2012
10 Gandhinagar,MP 28th Dec,2012
5.5 Generation Constraints : The following are the generation constraints in WR Generation constraints ( as on 21st Feb’13) due to various reasons like fuel shortage
and partial outage amounts to 5032MW , while due o less schedule amounts to
4754MW mainly at gas based power stations. Additionaly around 1200MW is under
planned & forced outages.
5.6.a Load Crash in NR in the night hours of 17th/18th January, 2013.
Due to inclement weather in Northern Region in the night hours of 17th/18th January,
2013, about 9000MW load crashed in the Northern region. About 2000-2300MW
change of power flow took place on West to North corridor. Even about 2000MW
demand was observed to be less in the Western Region compared to the previous
night. The load crash started at about 22hrs of 17-01-2013. High frequency
(maximum:50.83Hz) and High voltages prevailed throughout the night hours and
about 12 lines of 400KV were either opened or tripped in a span of 1hour 20Minutes,
i.e., between 22hrs-23:20hrs. Power to the tune of 1100MW was wheeled back on
400kV Kankroli-Bhinmal-Kansari , 220kV Kota/Modak- Badod paths vis a vis WR to
NR power order set point of 1250MW on Mundra- Mohindragarh HVDC line. Loading
on 400kV Itarsi-Khandwa-II, 400kV Sugen-Vapi and 400kV Chorania-Kasor were
observed to be on raising trend in the early hours of 18th January, 2013. No
ATC/TTC was violated due to import of power. It was an unique situation where
either generation could not be increased further or generation could not be backed
down further. Power ramping to the tune of 100MW/185MW was observed on
HVDC, Bhadrawati towards Southern region on two occasions due to frequency
controller action at HVDC, Bhadrawati. Oscillations of different low frequency modes
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 15
with poor damping were observed due to stress in the system. WR system is
characterized by skewed/unusual dispatch conditions, high voltage, high frequency
and over drawal by Gujarat ( due to backing down to technical minimum and
withdrawal of high cost generation.) leading to critical line loadings. The lessons to
be learnt from this event are important.
Tripping of following elements would have had been a security threat to western
region:-
• 400kV Itarsi-Khandwa-II
• 400kV Seoni-Khandwa –II
• Even One cirguit of 400kV Parli-Lonikhand D/C
• Even either circuit of 400kV Kankroli-Kansari or 400kV Bhinmal-Kansari
• Even one pole of HVDC, Bhadrawati
• Even one pole of Talcher-Kolar
5.6.b Load Crash in NR in the night hours of 4th/5th February, 2013.
1. Due to inclement weather in Northern Region in the night hours of 4th/5th
February, 2013, about 9500MW load crashed in the Northern region.
About 900MW change of power flow took place on West to North corridor
compared to the previous day. Even about 3000MW load reduced in
Madhya Pradesh due to inclement weather. The load crash started at
about 20hrs of 04-02-2013. High frequency (maximum:50.71Hz) and High
voltages prevailed throughout the night hours .The following aspects are to
be noted from these two situations of heavy load crash in NR
a) Inordinate opening of lines on HV can cause problems.
b) Itarsi - Khandwa / Seoni-Kandwa line trippings could cause weakening
of corridor between Gujarat & MP vs. Maharashtra and may cause
oscillations.
c) Gujarat b/d their costly generation and drawing from the grid which is
causing critical line loadings. We must know for each State import &
export ATC to do such cost optimization.
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 16
d) Possibility of grid separation WR tripping of Bina-Gwalior-Agra on HV
or Zerda-Kankroli or Kota/-Modak-Badod-Ujjain ( if one line trips, the
other may also collapse) can lead to a disturbance.
e) Generators should absorb Vars to contain HV problem.
f) Opening of lines for different dispatch scenerios (on HV) would be
different and load despatchers in real time cannot decide easily.
g) Load Crash should not be caused by inordiant, tripping of distribution
feeders.
h) Situational awareness ( whether LDs know that there is an emergency
to understand extreme conditions is required through certain indices.
i) On 4th / 5th February, the following trippings would have caused a
disturbance
(i) At 2040 hrs. all lines emanating from ISP tripped on O/V, one
unit was running at ISP.
(ii) Dehgam – Vadavi D/C tripped on Y-ph fault, resulted in more
loading of Adani-Sami-Dehgam.
(iii) Tripping of bipole of Mundra-Mohindragarh bipole-Adani-7&9
tripped.
j) IPPs Jaigarh & JPL generation full while cheaper generation b/d
.Proper load forecast and weather forecast could have reduced STOA
rather resorting to cheaper generation reduction during real time.
5.7 Evaluation of a-eberle collapse prediction relay----LFO Comparative analysis using PMU data & Dynamic Power System Stability Monitoring System- WRLDC Experience
As discussed in the 21st WRPC meeting that, as a pilot project WRLDC has installed
one M/s. a-eberle Dynamic Power System Stability Monitoring System Relay/
collapse prediction relay at 400kV Boisar Substation on 17.10.2012. WRLDc’s
experiences, case studies and recommendations on PMU and Dynamic Power
System Stability Monitoring System Relay are shared below:-
The collapse prediction relay with inbuilt applications can process the data locally
and decision making available locally and collapse prediction relay can record
modes in the range of 0.005 to 98Hz.
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 17
In order to visualise wide range ( 0.005 to 98Hz) of modes present in the system,
local analytical engines along with high sampling rate based devices are very much
required to understand the Dynamics of the System with help of Global visualisation
tools. Further, the application of Synchrophasor technology using PMUs and these
relay based Dynamic Power System Stability Monitoring System would complement
each other. Both the systems would alert about the state of present system and
degree of stability, damping etc. The a-eberle has inbuilt applications for oscillation
monitoring, voltage collapse, stability exponents etc. Further the a-eberle relay uses
all the sampled data and also maintains history of events such as mode history.
WRLDC is in the process of validating the analytical results of local analytical
engines at site and global engines at control centre. WRLDC is already running
various applications including modal analysis based on global PMU data.
Results from both collapse prediction relay and PMU data were analysed and
compared. Even the load crash event on 17th & 18th Jan’13 and 4th & 5th Feb’13 were
analysed with both the systems. Both WAMs and a-eberle relay gave identical and
consistent results. The analysis of any event from to different systems would
facilitate grid operators better early warning signals on stability aspects for taking
corrective actions only when both the system alert the operator.
WRP Committee noted. ITEM No.6: ANTICIPATED POWER SUPPLY POSITION IN WESTERN
REGION FOR THE PERIOD FROM MARCH 2013 TO MAY 2013
Member Secretary I/c, WRPC informed that the anticipated power supply position in
the region for the period from March 2013 to May 2013 is given at Annexure-6. The
period under consideration is summer season. The anticipated regional demand is
likely to vary between 40000 MW to 44000 MW and the capacity shortage will be
around 7.00 %. In terms of energy, the unrestricted requirement is expected to
range from 26500 MUs to 29000 MUs with regional energy deficit of the order of 5.0
% to 6.0 %. The anticipated Peak demand shortage of 120 to 270 MW in Gujarat, 60
to 130 MW in Chhattisgarh, 1075 to 1350 MW in Maharashtra, 800 to 900 MW in
Madhya Pradesh, 30 to 40 MW in Goa, 15 to 25 MW in DD & 20 MW to 30 MW in
DNH is likely to prevail.
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 18
WRLDC has arrived the anticipated Summer Position of 2013 from the estimated
demand projected by constituents . The details are given below. Maharashtra will
have highest anticipate deficit of 2830MW , followed by Madhya Pradesh (700MW)
and Chhattisgarh (450MW). All the constituents are advised to take necessary steps
to meet the shortage.
State Estimated dmd to be met(from OCC agenda) MW
Purchase planned in the month of march MW
Own gen+LTA MW
Total availability MW
Deficit MW
Maharashtra 17600 270 14500 14770 2830
Gujarat 12100 220 12000 12220 nil
MP 8250 550 7000 7550 700
C’garh 3150 200 2500 2700 450
Goa 415 nil 350 350 65
DD 320 nil 320 320 Nil
DNH 610 20 600 620 Nil
The availability values are based on the projections from present trends and
approximations. The trend is assumed to be same in April and May months.
WRP Committee noted. ITEM No 7: ANNUAL LOAD GENERATION BALANCE FOR THE YEAR 2013-14
Member Secretary I/c, WRPC informed that a meeting of LGBR group was held on 29th
November, 2012 at WRLDC, Mumbai. The group finalized the tentative outage
Program of major thermal units for the Year 2013-14. The same was sent to CEA for
finalizing annual generating target for the Year 2013-14 & uploaded at WRPC website.
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 19
A meeting for finalizing the generation target in respect of various generating units
including IPPs for the year 2013-14 was organized by CEA on 28.01.2013. It was
requested that IPPs expected to commence delivering of power in WR grid during year
2013-14 may furnish month wise generation for intimation to CEA for further needful.
Regarding the Annual LGBR for 2013-14 based on data received so far WRPC,
preparation of draft Annual LGBR is under progress.
WRP Committee noted. ITEM NO 8: UP-GRADATION OF BINA-GWALIOR-AGRA LINK TO 765 KV LEVEL: Member Secretary I/c, WRPC informed that PGCIL had proposed the up gradation of
400 kV Bina-Gwalior-Agra D/c line to 765 kV operation from the present 400 kV
operation. The OCC Sub-Committee discussed the up-gradation work of 765 kV
Bina-Gwalior-Agra link. With the present level of power transfer at 765 kV level to
NR, they apprehended a very high voltage situation particularly in Seoni, Bina,
Gwalior areas. Already many lines are kept open to curtail high voltage. There
seems to be no significant increase in generation levels and therefore charging at
765 kV level will increase the voltages further. Accordingly the sub-committee
requested POWERGRID to carry out necessary studies, in line with the present
generation and anticipated generation and off-peak scenario in WR and chalk out the
reactive power absorption requirements so that up-gradation to 765 kV operation of
the above lines may eventually take place. The results of the studies were to be
discussed in the OCC/ Study forum of WR before operation at 765 kV levels
commence.
PGCIL performed the studies to assess the operational impact before and after up
gradation. The results of the studies were discussed in the OCC. WRLDC expressed
the need to have ICT at Gwalior before the up gradation can be permitted. The
studies did not consider the generation at Sasan, which was to come shortly. Hence
the voltages after Sasan generation comes up, would be under control. PGCIL
informed that 4 x 240 MVAR reactors(2x240MVAR at Bina and 2X240 MVAR at
Gwalior) were installed on the 765 kV Bina Gwalior line. During the off peak months
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 20
from June to August the power flow in NR is likely to increase as the loads in NR
pick up. Hence the Power flow on the above corridor will increase and control the
voltages. The OCC recommended that in view of the above the planned up gradation
work can be taken up by PGCIL. Further the dates were scheduled by the OCC in
March 2013.
The TCC discussed the recommendations of the OCC and after discussion
recommended that PGCIL can take up the up gradation work. PGCIL was advised to
carry out the work after taking all precautionary measures and complete the up
gradation work in the month of March 2013.
The TCC also agreed with the recommendation of reviewing the SPS accordingly. WRPC accepted the recommendations of the TCC.
ITEM NO 9: DECISIONS ON IMPORTANT ITEMS FROM 35TH SCM HELD ON 03/01/2013 AT GURGAON: Member Secretary I/c, WRPC informed that the following important decisions taken in the above SCM. (For details kindly refer to the MOM of 35th SCM.)
A. Commissioning of 400/220 kV 315 MVA ICT at Vapi(PG) and establishment of 400/220 kV Kala s/s in DNH
1) In the 35th SCM matter pertaining to critical loading of GETCO system and
commissioning of 400/220 kV 3rd ICT at Vapi(PG) was discussed.
2) Since a substantial quantum of DD and DNH was being catered through
GETCO system and resulting in the critical loading of 220/66 kV ICTs at
Bhilad and Vapi GETCOI s/s, it was decided that after the commissioning of
3rd ICT at Vapi(PG), in case critical loading of GETCO system is not relieved,
a meeting of the stakeholders would be convened to review the 66 kV
interconnections between GETCO system and DD & DNH systems.
3) Due to ROW constraints in DD/DNH system, the earlier agreed arrangement
was modified as follows:
(i) 220 kV Kala – Khadoli D/c
(ii) 220 kV Kala – New Kharadpada switching s/s D/c
(iii) 220 kV New Kharadpada switching s/s – Kharadpada D/c
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 21
B. Reactor at 400 kV Bina s/s It was decided to replace the 63 MVAR Bus Reactor at Bina(PG) by 125
MVAR Bus Reactor and keep 63 MVAR Bus Reactor as regional spare.
C. Increase in provision of PMUs under URTDSM In order to encourage vendors to set up manufacturing and O&M support
facilities for PMUs in India, the provision for indigenous PMUs under
URTDSM was raised to 30% from 15%
D. Proposal for Static VAR Compensator (SVC)/STATCOM in WR In line with the Recommendations of Enquiry Committee of Grid disturbances
in NEW grid in July 2012, regarding installation of adequate static and
dynamic reactive power compensators , the SCM, on basis of system studies,
has decided to install in the first phase SVC’s/STATCOM’s at following place
in WR
1) Gwalior +/- 400 MVAR
2) Sholapur(PG) +/- 400 MVAR
3) Aurangabad(PG) +/- 400 MVAR
4) Satna +/- 400 MVAR
E. Termination of Vapi-Navi Mumbai 400 kV D/c line at Kudus s/s (MSETCL) 1) Due to severe ROW problems, forest, wildlife and eco-sensitive zones
clearances pending, the 35th SCM decided that the 400 kV Vapi-Navi
Mumbai line shall be terminated at Kudus s/s near Padghe. However
PGCIL shall continue the efforts to complete the balance portion of Vapi-
Navi Mumbai line.
The followings are other decisions of MOM of the 35th SCM.
1. Laying of Multi circuit towers near approach end of 765/400kV Vadodara GIS substation. The 765/400 kV Vadodara GIS substation is under implementation by
POWERGRID as a part of WR System Strengthening for IPP projects in
Madhya Pradesh and Chhattisgarh (being pooled at Bilaspur Pooling station).
There are four number of 400 kV lines planned from the Vadodara 765/400 kV
substation:-
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 22
i. TEL (DGEN) TPS – Vadodara 400 kV D/C line (Transmission System
strengthening in WR for the 1200 MW LTA granted to DGEN TPS of Torrent
Energy Limited). This line will be implemented through tariff based competitive
bidding route.
ii. Vadodara – Asoj 400 kV (Quad) D/C line.( As a part Transmission System
Strengthening in WR associated with New IPP projects in Chhattisgarh)
Implementation by POWERGRID.
iii. Vadodara – Pirana 400 kV D/C (Quad) line. (As a part of Transmission System
Strengthening in WR associated with IPP projects in Madhya Pradesh and
Chhattisgarh being pooled at Bilaspur Polling station).Implementation by
POWERGRID.
iv. Vadodara – Vataman 400 kV D/C (Quad ) line. (As a part of transmission
system associated with 3960(6X660) MW Chhattisgarh UMPP) implementation
by POWERGRID.
Due to Severe RoW problems being faced in laying of the above transmission
lines near Vadodara substation it was decided to lay these lines on two nos. of
multi-circuit towers for about 3 kms length from the Vadodara substation. Based
on the route alignment, following was agreed:
(i) Vadodara – Pirana 400 kV (Quad) line & Vadodara – Vataman 400 kV (Quad)
D/C line on one multi- circuit towers.
(ii) Vadodara – Asoj 400 kV (Quad) D/C line & Vadodara – DGEN 400 kV D/C
(Twin) line on the other multi-circuit towers.
It was agreed in the meeting that the 3 km corridor of the Vadodara – DGEN
400 kV D/C line from Vadodara which is proposed on multi circuit towers may
be implemented by POWERGRID and the line beyond the multi circuit portion
may be implemented under tariff based competitive biding route.
2. Direct Interconnection of Vadodara – Pirana and Vadodara – Asoj 400kV D/c (Quad) lines by passing Vadodara substation as an contingency arrangement. The transmission scheme associated with WR System Strengthening for IPP
projects in Madhya Pradesh and Chhattisgarh (being pooled at Bilaspur pooling
station) as given under, is under implementation by POWERGRID.
(i) Indore – Vadodara 765kV S/c line
(ii) Vadodara – Pirana 400kV D/c quad line
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 23
(iii) Establishment of 765/400kV, 2x1500MVA GIS S/s at Vadodara.
In view of the delay in completion of Vadodara 765/400 kV substation and
expected completion of the Vadodara – Asoj 400 kV D/C line and Vadodara -
Pirana 400kV D/c line by September / October 2013, direct interconnection of
400 kV lines at suitable location, by passing Vadodara substation, as
contingency arrangement, was agreed in the meeting.
The interim arrangement shall be in place till the availability of 765/400kV
Vadodara S/s.
3. Commissioning of line reactors at Satna and Bilaspur 765kV substations. In the meeting, it was intimated that the 2x240 MVAR, 765kV switchable line
reactor at Satna substation for Sasan – Satna 765kV 2xS/c lines and
1x240MVAr, 765kV line reactor at Bilaspur substation for Bilaspur – Ranchi
765kV S/c line are available, while the associated lines are to be completed. In
view of the high voltages prevailing in Western Region during off peak
conditions, it was agreed in the meeting to utilize these line reactors as bus
reactors till the completion of the associated lines. Upon the completion of the
associated lines, these reactors would be utilized as line reactors.
4. Transmission system associated with new IPP projects in Chhattisgarh- shifting of converter terminal associated with +600kV 4000MW, Raigarh (Kotra) – Dhule HVDC line from Dhule in Western Region to a suitable location in Southern Region. The transmission system associated with new IPPs in Chhattisgarh, interalia,
included + 600 kV 4000 MW, Raigarh (Kotra) – Dhule (PG) HVDC bipole line
along with interconnection of Dhule (PG) with Malegaon, Nashik and Dhule
(IPTC).
Considering the requirement of transfer of power from Chhattisgarh to Southern
Region, it is decided in the meeting to shift the converter station associated with
the + 600kV, 4000 MW Raigarh (Kotra) – Dhule (PG) HVDC bipolar link
proposed at Dhule in Western Region to any suitable location in Southern
Region.
After discussion, the termination of + 600kV, 4000MW HVDC bipolar link from
Raigarh (Kotra) to suitable location in Southern Region, instead of Dhule in
Western Region, was agreed in the meeting. Thus, the transmission system
associated with new IPPs in Chhattisgarh is modified as under:-
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 24
+ 600 kV, 4000 MW HVDC bipole between Raigarh pooling station (near
Kotra) to a suitable location in Southern Region along with metallic return
conductor.
Establishment of 4000 MW, +600 kV HVDC bipole terminal each at
Raigarh (Kotra) and at a suitable location in Southern Region.
Deletion of establishment of 2X315 MVA, 400/220 kV substation at
Dhule (PG) along with 400 kV interconnections of Dhule (PG) with Dhule
(IPTC), Nashik and Malegaon.
5. Review of Transmission system for transfer of power from IPPs of SR to WR/NR. It was intimated in the 35th SCM meeting that the implementation of
transmission scheme for transfer of Power from IPPS in Southern Region to
Western Region/ Northern Region was not taken up by POWERGRID due to
slow progress of generation projects in Southern Region.
Further, in the northern region grid, following changes have taken place:-
(a) UP is establishing a 765 kV substation at Greater Noida under PPP mode
which is close to Bulandshahar S/s. Two 765 kV substations in close
proximity is not desirable.
(b) Kanpur – Jhatikara 765 kV S/c line is under construction, which is about
450 km long and for smooth operation, it is desirable to LILO this line at
some substation to reduce its length.
(c) Earlier a 765/400 kV substation at Sonipat was planned, however with the
coming up of CLP Jhajjar and Aravali. Jhajjar generations as well as
considering the injection of power from Adani at Mohindergarh, there is a
need to review the requirement of establishment of 765/400kV substation
at Sonipat.
In view of above, it was discussed that the establishment of 765/400 kV
substation at Bulandshahar may be shifted to Aligarh and Kanpur-Jhatikara 765
kV S/c line may be LILOed at Aligarh. Further, for power dispersal from Aligarh,
a 765 kV D/c line may be taken towards Hapur substation. Accordingly, it was
agreed to take up the Transmission scheme for transfer of power from IPPs in
SR to WR/NR as WR-NR System strengthening scheme with following
modifications:-
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 25
(i) Solapur – Pune 765kV S/c (2nd) line.
(ii) Jabalpur Pooling station - Orai 765 KV D/c line.
(iii) Orai – Aligargh 765kV D/c line.
(iv) Aligarh – Hapur 765kV D/c line.
(v) Orai – Orai (UPPTCL) 400kV D/c (Quad) line.
(vi) LILO of one circuit of Satna-Gwalior 765 KV line at Orai S/s.
(vii) 2x1000MVA, 765/400KV substation at Orai S/s.
(viii) LILO of Agra-Meerut 765 kV S/c line at Aligarh S/s.
(ix) 2x1500MVA, 765/400KV S/s at Aligarh.
(x) LILO of Kanpur – Jhatikara 765 kV S/c at Aligarh S/s.
6. Strengthening of ISTS system in Gujarat – Proposed by GETCO. In the 35th SCM, it was deliberated that it is necessary to have sufficient STU-
CTU interconnections in Gujarat as a number of generation projects are coming
up in Gujarat and IPPs in other states have indicated Gujarat as target
beneficiary.
The necessity of strengthening STU-CTU interconnections was also discussed
in meeting on High Capacity Transmission Corridors held in CEA in Oct, 2012.
Further, Gujarat has highlighted on several occasions that a substation in
Saurashtra is needed to be set up to cater to increasing load of that area.
Considering the above, following STU-CTU interconnections were discussed in
the meeting to be implemented under ISTS:
a) Establishment of new 765/400kV, 2x1500MVA Pooling Station in
Saurashtra area
b) Saurashtra Pooling Station — Vadodara 765kV D/c line
c) Saurashtra Pooling Station — Halvad 400kV D/c line
d) LILO of both circuits of Mundra UMPP — Jetpur 400kV D/c (Triple
conductor) at Saurashtra Pooling Station
e) LILO of both circuits Of Mundra UMPP — Limbdi 400kV D/c (Triple
conductor) at Saurashtra Pooling Station (LILO of one ckt of Mundra UMPP
— Limbdi 400kV D/c at Halvad may be opened after implementation of this
scheme)
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 26
In future, this Pooling Station shall be connected to Essar (Salaya)
generation project when additional LTA from this project is applied by M/s
Essar.
Further, it was deliberated in the meeting that in order to meet the
increased demand of DNH/DD and Navi Mumbai area, Kosamba- Vapi
(PG) 400kV D/c line, was required on urgent basis and the same shall be
implemented as ISTS line by POWERGRID, which was earlier proposed to
be implemented by GETCO.
WRP Committee noted. ITEM NO 10: PROGRESS/STATUS OF INSTALLATION OF BUS REACTORS APPROVED IN THE 33RD AND 34TH SCM: Member Secretary I/c, WRPC informed about the status of the procurement of
reactors and the same is as follows:
Sl No SCM Location MVAR Status
1 33rd Jabalpur 125 Orders placed and
commissioning from Jan
14 to Jun 14
2 33rd Khandwa 125 As above
3 33rd Shujalpur 125 As above
4 33rd Bhatapara 125 As above
5 33rd Raigarh 125 As above
6 33rd Aurangabad 125 As above
7 33rd Ranchodpura 125 Orders placed and
Commissioning by Jun-
13
8 33rd Versana 125 As above
9 33rd Amreli 125 As above
10 33rd Rajkot 125 As above
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 27
1 34th Nanded 125 LOI within 3 months nad
commissioning a year after LOI
2 34th Sholapur 125 As above3 34th Kolhapur 125 As above 4 34th Akola 125 As above 5 34th Jetpur 125 Orders placed Expected
by Jun-136 34th Zerda 125 As above 7 34th Limbdi 125 As above 8 34th Bhopal 80 Oct 13 9 34th Nagda 125 Space constraint exists
and MPPTCL is replacing existing 50 MVAR with 125 MVAR reactor
10 34th Damoh 125 Order by Mar 13. 11 34th Bachau 125 As above12 34th Pirana 125 As above 13 34th Itarsi 125 As above 14 34th Seoni 125 As above 15 34th Parli 125 As above 16 34th Raipur 125 As above17 34th Gwalior 125 As above WRLDC requested that reactors at Solapur, Kolhapur, Damoh and Raipur may be implemented in priority. PGCIL agreed to look into the same. WRPC noted ITEM NO 11: PROCUREMENT OF SOFTWARE: Member Secretary I/c WRPC informed that at present the WRPC Secretariat
is issuing accounts for commercial accounting. The existing software’s for UI and
REA were developed using earlier Visual Studio Platforms procured about 10 years
back. The complexity of mechanism has increased over the time with Inter-Regional
transactions, frequent revisions are necessary. Further new regulations for RTA,
RTDA, RRF etc., are coming in place. For RTA and RTDA software is developed
from local vendor and has a small AMC component. Other software’s have to be
shifted to newer platforms of Visual Studio 2012. Since the bills of the utilities have
huge financial implication, so prompt and error free accounting is the need of the
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 28
present. The manpower at WRPC is limited and so technological software solution in
the form of getting some software’s developed / maintained from local vendors is
required. Some in-house development is also envisaged. It is necessary to procure
Visual Studio 2012 for the same.
In view of the above, following proposals are made 1) Renewal of existing AMC for software maintenance for RTA and RTDA
2) Procurement of Visual Studio 12
3) Software help for revision of REA/UI for previous cases
The expenses for the above can be met within the existing contingency fund and
would be of the order of Rs 3 lakhs.
The TCC discussed the matter and recommended the same.
WRPC agreed to the proposal.
ITEM NO. 12: RENEWABLE REGULATORY FUNDS MECHANISM:
Member Secretary I/c, WRPC informed that the Hon’ble Commission
further through its order dated 16th Jan’2013 in petition no.209/2011 in the matter of
the Renewable Regulatory Funds Mechanism under Central Electricity Regulatory
Commission( IEGC) Regulations 2010 has directed the following .
1. RRF Mechanism shall come into effect from 01.07.2013.
2. ABT meters are required to be installed only in the Pooling Stations which
should be done expeditiously. In case the ABT meters are not installed by the
respective State Transmission Utility or Distribution Utility by 31.03.2013, the
same may be installed by CTU at the cost of concerned State Transmission
Utility/ Distribution Utility.
3. Mock exercise for forecasting and scheduling start w.e.f 01.02.2013.
The following is the brief on the Commission’s order dated 16th Jan 2013
1. Any person could become the coordinating agency, which may be one of the
generators or any other mutually agreed agency. This agency shall be
referred as “Coordinating Agency” for the purpose of scheduling, metering
and energy accounting.
2. Pooling Stations that are commissioned on or after 03.05.2010 should be
considered for the purpose of RRF mechanism. Accordingly the IEGC-2010
would be amended by the Hon’ble Commission.
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 29
3. Payment should be similar to the conventional generators i.e. Wind and Solar
generators should be paid at the contract rate as per the schedule and UI
mechanism would ensure, the liability of which would be in accordance with
the dispensation for Wind generators in the Grid Code.
4. Reference rate for contract is fixed as Rs.4/kwh fro NEW grid and Rs.5/kwh
for SR grid.
5. Mutually agreed mechanism shall be developed by the coordination agency
and the Wind generators connected to that pooling station on account of
sharing the variations with reference to the schedule. In case of
disagreement, the UI charges should be shared based on actual generation
on wkly basis.
6. The IEGC_2010 and the approved detailed Procedure for implementation of
RRF will be amended/revised in line with the above proposals.
WRLDC vide letter dated 4th Feb’2012 had requested all SLDCs to send the
required data to WRLDC on weekly basis for the previous week for preparation of
energy accounts by WRPC secretariat. The copy of the letter is enclosed at
Annexure-12. In this regard the following points needs to be discussed:
Modalities of weekly sending the required data in the enclosed format
SLDCs may intimate the coordinating agency for the purpose of scheduling,
metering and energy accounting.
Status of availability of ABT meters at Pooling stations
SLDC,GETCO informed that data for RRF is being received and the same is being
forwarded to WRLDC/WRPC in the prescribed format.
SLDC,MSETCL informed that they would be submitting the data in the prescribed
format shortly.
Member Secretary I/C informed that development of software from small vendors
and associated Hardware(PC) was required for which about Rs. 7 Lakhs was at
present estimated.
This amount, along with Rs 3 Lakhs for software procurement in item no 11, works
out around Rs 10 Lakhs and it was to proposed to meet the expenditure partially
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 30
from existing contingency fund and balance through appropriate increase in the
contribution towards contingency fund for 2013-14.
WRPC agreed to the above of expenditure of around Rs 10 lakhs towards software development and hardware requirements(PC) for implementation of commercial mechanism to be funded through contribution towards contingency fund.
ITEM NO. 13: EVACUATION OF POWER FROM KORBA STPS-III OF NTPC. Back Ground : In the matter of evacuation of power from Korba unit 7 of stage III of NTPC
station after declaration of commercial operation (COD) of the unit till commissioning
of the identified 400 kV Raipur-Korba D/c line, Hon’ble CERC vide para no 32 of
order dated 6.9.2011 in petition no 122/2011 has directed as follows:
Quote:
“In view of the foregoing discussion, we have come to the conclusion that the
petitioner is bound by the terms and conditions of the BPTA and the Implementation
Agreement signed by it with the CTU. However, after allocation of power from
Korba-III by Government of India, Ministry of Power to the western region
beneficiaries and execution of PPAs by the petitioner, the western region
beneficiaries have become long term customers by operation of Regulation 2(1)(m)
of the Connectivity Regulations. The long term customers have right to schedule
power on long term access from Korba-III on the available spare capacity and such
scheduling shall have priority over the medium term open access and short term
open access. The ATS for Korba-III was declared under commercial operation with
effect from 27.6.2011. Consequently, scheduling of power from Korba-III for the
period from 21.3.2011 to 26.6.2011 on the existing transmission capacity shall be
deemed to have been made on long-term access. The energy and UI accounts shall
be revised and settled accordingly. “
Un-Quote
The WR Power Committee in the 18th WRPC meeting held on 1.10.2011 decided
that WRLDC would refund whatever charges collected by WRLDC from all the
constituents on account of short term scheduling of power from Korba-III and would
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 31
furnish necessary data to WRPC Secretariat to revise the energy and UI accounts
and suggested that accounting details may be finalized based on data to be
furnished by WRLDC in line with the above mentioned CERC order dated 6.9.2011.
In order to implement the above order of Hon’ble Commission, WRLDC have
submitted the 15-minute block-wise data viz DC of unit no 7 of Korba-III,
entitlements of beneficiaries of Korba-III, their Long-Term schedules from Korba-III
and related data necessary for preparation of revised energy and UI accounts data
on 08.02.2012. Accordingly, the REAs have been revised on 30.03.2012.
During examination of revision of UI based on the data submitted by WRLDC it
was observed that the revised schedules submitted by WRLDC remained
unchanged and there would not be any change in payable/receivables on account of
this for the above period. Hence the revision of UI A/c’s was not undertaken.
In the 61st CCM, while discussing examination of the revision of UI, beneficiaries
expressed that during few occasions they were unable to revise the schedules since
the schedules were treated as STOA and any revision of the requisitioned schedules
would not have been effective before expiry of a minimum period of two (2) days and
not from the fourth time block as in case of LT schedules. Conversion of STOA
schedules of beneficiaries to LTA schedules without any change in schedules due to
revision of DC (as available in LTA schedules) have deprived the beneficiaries to
avail the benefit of revision of schedules due to revision of DC which otherwise
would have been available had the schedules been treated as LT schedules.
The Commercial Committee suggested forming of a small group comprising of
members from constituents, NTPC & WRLDC who would look into such instances
and the practicability of implementing post-facto revision of schedules and give its
recommendation accordingly.
The group met on 14.05.2012, and it was decided that NTPC would submit
following data for the period 21.3.2011 to 30.6.2011 for revision of schedules:-
(i) date and time of tripping of Korba-III unit
(ii) declared date and time of restoration of the unit
(iii) actual date and time of restoration of the unit
(iv) DC prior (at the time of tripping)
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 32
(v) DC after restoration (at the time of restoration of the unit).
During the 20th WRPC meeting held at Indore on 18.05.2012, WRLDC and PGCIL
representatives informed that a petition has been filed with Hon’ble Appellate
Tribunal against the above order of Hon’ble CERC by PGCIL. MPPMC in the
meeting requested to issue the revised UI account in defined time frame preferably
before next WRP Committee meeting to be held in September 2012, which was
agreed by the WRP Committee.
WR Power Committee in 20th WRPC recommended that since there is no stay on
Hon’ble CERC order by Hon’ble Appellate Tribunal, the CERC directives could be
acted upon so that the dues are settled as per CERC order, revision of UI A/c’s shall
be carried out by WRPC on receipt of revised data from WRLDC.
As decided by small group comprising of members from constituents, NTPC &
WRLDC regarding submission of data by NTPC, NTPC vide email dated
01.06.2012 submitted the data which was circulated to the beneficiaries and
WRLDC for validation vide WRPC letter WRPC/Comml-I/3/ABTREA/2012/739
dated 01.06.2012 and reminder to beneficiaries for forwarding their comments if any
by 25.06.2012, vide letter WRPC/Comml-I/3/ABTREA/2012/864 dated 20.06.2012.
MPPTCL vide their letter 07-05/RPC-14/1273 dated 14.06.2012 have intimated that
the data submitted by NTPC was verified and is in order.
WRPC vide letter WRPC/Comml-I/3/ABTREA/2012/904 dated 26.06.2012
requested WRLDC for revision of schedules based on the data forwarded,
observations of GUVNL and as per the decision taken in the meeting held on 14th
May 2012 at WRPC.
WRLDC vide letter WRLDC/MO-II/2012/6806 dated 13.08.2012 have intimated
that the Data forwarded in the above matter only contains tripping details of NTPC
Korba Stage-III and with this data, the schedules cannot be revised and 96 block
wise DC which is agreeable to all the constituents is required for revision in
schedules of NTPC Korba Stage-III. Further POWERGRID did not agree with the
aforesaid CERC order dated 06.09.11 and has submitted its appeal before Appellate
Tribunal against the CERC order. The same has been accepted by Appellate
Tribunal and the first hearing already taken place on 23.07.2012. Further they have
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 33
intimated that the matter is still sub-judice and the decision of Appellate Tribunal is
awaited, the matter will be settled after the decision of Appellate Tribunal.
WRPC in view of the decisions of 20th WR Power Committee, vide letter
WRPC/Comml-I/3/ABTREA/2012/1296 dated 17.08.2012, requested WRLDC to
review their stand expressed in the above letter.
WRLDC vide letter No. WRLDC/MO-II/2012 dated 07.11.2012 have forwarded the
revised schedules data as per the decision of 62nd CCM.
Discussion: SE(Comml), WRPC informed that REA and UI revisions with respect to
Korba-7 has been completed (UIs and REAs for the period March-11 to June-11
have been revised). The revision of REAs and UIs on account of inadvertent errors
in meter and scheduled data has been taken up and REAs & UIs for the month of
Feb-12 & March-12 have been completed.
TCC/WRPC noted the above.
ITEM No.14: SCHEDULING OF KAWAS AND GANDHAR: Background: In the 63rd CCM NTPC representative stated that the technical
constraints in running the units at lower than technical requirement of machines was
discussed and noted in 442nd and 443rd OCC meetings. NTPC requested
beneficiaries for scheduling of Kawas and Gandhar at least up to technical minimum
during night hours for on-bar gas turbines in combined cycle mode taking into
account their day’s total energy requirement. NTPC also intimated that Kawas and
Gandhar stations are getting schedules less than technical minimum during night
hours. Further, the less schedules during Night hours results in the unintentional
over injection by stations to maintain the technical minimum generation level.
Further, NTPC mentioned that, as per the latest Govt. notification, the under-utilized
portion of cheap domestic gas (APM) may get diverted to other stations.
In the 63rd CCM constituents responded that they are not in a position to accept the
to technical minimum schedule during night hours in view of strict adherence to merit
orders dispatch and injections due to must buy provision for purchase from
renewable sources (specifically wind energy in case of GUVNL) etc. Beneficiaries
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 34
also mentioned that although they are conscious of the fact that under-utilization of
cheap domestic gas allocated for Kawas and Gandhar may lead to its diversion, they
are not in a position to schedule this power in view of reasons cited above.
Discussion: In view of merit order dispatch basis, it was not possible for
constituents to give more schedules than present. NTPC suggested that the
schedule may be staggered in such a way that, the stations/ machines on bar would
be able to operate at technical minimum. TCC recommended that the matter may be
discussed separately where NTPC shall suggest a suitable method for scheduling for
above stations.
WRPC noted the above. ITEM No.15: DECLARATION OF TRANSMISSION ELEMENTS INTO
COMMERCIAL OPERATION BY PGCIL. Member Secretary I/c, WRPC informed the following:
15.1: PGCIL vide letter No. WRTS:COMML:NGP/102 dated 01.11.2012 (copy
enclosed at Annex.-15.1) have intimated that a 240MVAR switchable line
reactor(SLR) on 765kV Ranchi-Sipat S/c line at Bilaspur S/s under “Common
scheme for 765kV pooling stations and network for NR (Common for Sasan
UMPP+NKP+Maithon/Koderma/Mejia/Bokaro/Raghunathpur/Durgapur+Impo
rt by NR from ER and from NER/SR/WR via ER) and common scheme for
network for WR (Common for NKP + Maithon/Koderma/Mejia/Bokaro +
Raghunathpur/Durgapur+Import by WR from ER and from NER/SR/WR via
ER)” have been put into regular operation and is being used as Bus Reactor
till commissioning of 765kV Ranchi-Sipat S/c line. The SLR is under
commercial operation w.e.f. 01st November 2012. Accordingly, the monthly
transmission charges for above element will be payable from 01st November
2012 by concerned DICs as per CERC (sharing of inter state transmission
charges and losses) Regulation 2010.
15.2 : PGCIL vide letter No. WR-II/VDR/COML/6908 dated 16/19.11.2012 (copy
enclosed at Annex.-15.2) have intimated that the Ckt-I of 400kV D/C
Gandhar-Navsari T/L along with associated bays at Gandhar and Navsari
end are commissioned and put into commercial operation in Western Region
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 35
w.e.f. 01.11.2012. Accordingly, the monthly transmission charges for above
transmission element will be payable by all concerned from 01st November
2012. Further it has been intimated that the Ckt-II of 400kV D/C Gandhar-
Navsari T/L along with associated bays at Gandhar and Navsari end has
already been commissioned and commercialised w.e.f. 01/08/12.
15.3 : PGCIL vide letter No. WR-II/VDR/COML/6909 dated 16/19.11.2012 (copy
enclosed at Annex.-15.3) have intimated that the 765kV S/C Satna-Bina
Ckt-I T/L (planned under Sasan UMPP Transmission System) was charged
at 400kV level as per decision of 32nd meeting of Standing Committee on
Power System Planning in Western Region held on 13th May 2011 at NRPC,
under the contingency scheme for Rihand-III & Vindhyachal-IV on 31.01
2012 and put into regular operation in WR.
The element is now upgraded to its rated voltage level i.e. 765kV w.e.f.
01/10/12. Accordingly, the monthly transmission charges for above
transmission element will be payable by all concerned from 01st October
2012 as applicable for 765kV voltage level.
15.4 : PGCIL vide letter No. WRTS: COMM:NGP:164 dated 01.01.2013 (copy
enclosed at Annex.-15.4) have intimated that 400kV D/C (Quad Moose)
Raipur-Wardha line along with FSC in each circuit (40% compensation
rating) at Wardha end under WR strengthening Scheme-II Set-A has been
commissioned on 31.12.2012. The T/L and FSCs are put under commercial
operation w.e.f. 01.01.2013. Accordingly, the monthly transmission charges
for above transmission systems will be payable from 01st January 2013 by all
concerned DICs as per CERC (sharing of inter-state transmission charges &
losses) Regulation 2010.
15.5 : PGCIL vide letter No. WR-II/VDR/COML/8045 dated 05/11.01.2013 (copy
enclosed at Annex.-15.5) have intimated that the 400kV D/C Mundra-Jetpur
T/L as per original scope, has been charged successfully on 31.12.2012 and
put into regular operation in WR w.e.f. 01.01.2013. On charging of 400kV
D/C Mundra-Jetpur line as per original configuration, contingency
arrangement of LILO of one circuit of 400kV D/C Mundra-Limbdi line at
Jetpur is discontinued w.e.f. 31.12.12. Accordingly, the monthly transmission
charges for above transmission systems will be payable from 01st January
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 36
2013 by all concerned DICs as per CERC (sharing of inter-state transmission
charges & losses) Regulation 2010.
15.6 : PGCIL vide letter No. WR-II/VDR/COML/8043 dated 05/11.01.2013 (copy
enclosed at Annex.-15.6) have intimated that the 125MVAR, 400kV three
phase spare Reactor has been procured for Itarsi S/S under “Provision for
spare ICTs & Reactors for Eastern, Northern, Southern and Western Region”
and the same has been put into commercial operation in WR w.e.f.
01.01.2013. Accordingly, the monthly transmission charges for above
transmission systems will be payable from 01st January 2013 by all
concerned DICs as per CERC (sharing of inter-state transmission charges &
losses) Regulation 2010.
In the 63rd CCM, MPPMCL representative intimated that procurement of an
element can not qualify for putting it in Commercial Operation. As per the
CERC (Terms and Conditions of Tariff) Regulations, 2009 “ in relation to the
transmission system, the date declared by the transmission licensee from
0000 hour of which an element of the transmission system is in regular
service after successful charging and trial operation” and therefore sought
clarifications on whether the element can be declared into Commercial
Operation . since the elements was procured but not put in regular use, the
element can not be declared into commercial operation.
TCC recommended that since the matter was discussed in the 15th WRPC
meeting wherein it was decided that the expenditure of procurement of spare
transformers and reactors be met from PSDF or through normal process, and
therefore the monthly transmission charges for above spare transformer and
reactor will be payable by all DICs from the respective dates declared by
POWERGRID and requested POWERGRID to clarify whether the above
element is received and the recordings at Item No.10.1.(i) of 15th WRPC
meeting have been adhered to. Power grid confirmed the same.
The TCC recommended since already high voltages are present, the existing spare reactor may be utilized at Solapur immediately. Similarly as other spare reactors in this scheme are procured, they shall also after discussion, be shifted to appropriate locations. WRP committee agreed to above proposal of TCC.
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 37
15.7 : PGCIL vide letter No. WR-II/VDR/COML/8046 dated 05/11.01.2013 (copy
enclosed at Annex.-15.7) have intimated that interconnection of “400kV D/C
(Quad) Vindhyachal-IV (NTPC)-Vindhyachal (Pooling station)” along with
“400kV D/C (twin) Vindhyachal pooling station-Sasan line [by passing
Vindhyachal pooling S/S]”, thus making it direct “400kV D/C Vindhyachal-IV-
Sasan line” to facilitate the evacuation of power from VSTPP-IV Generation
Project (under contingency plan) associated Transmission Scheme for
“Rihand-III & Vindhyachal-IV” has been charged successfully on 29.12.2012
and put into commercial operation w.e.f. 01.01.2013. This is as per approval
from CEA vide letter no.26/10/2012/SP & PA/1244 dated 26.11.2012.
Accordingly, the monthly transmission charges for above transmission
systems will be payable from 01st January 2013 by all concerned DICs as per
CERC (sharing of inter-state transmission charges & losses) Regulation
2010.
15.8 : PGCIL vide letter No. WR-II/VDR/COML/8044 dated 05/11.01.2013 (copy
enclosed at Annex.-15.8) have intimated that 765kV S/C Sasan-Satna Ckt-I
at 765kV level (as per original scheme of Sasan UMPP) T/L has been
completed. Charging clearance from CEA has been received on 21.12.2012.
This T/L shall be charged and synchronised at rated voltage as and when the
switchyard of SASAN UMPP is ready for commissioning. This is in line with
the in-principal approval by CEA vide their letter ref:
26/10/2012/SP&PA/1244 dated 26.11.2012. Accordingly, the monthly
transmission charges for above transmission systems will be payable from
01st January 2013 by all concerned DICs as per CERC (sharing of inter-state
transmission charges & losses) Regulation 2010.
In the 63rd CCM, SLDC GETCO representative stated that till an element of a
transmission system is required to put in regular service after successful
charging and trial operation. Therefore the above element can only be
declared into Commercial Operation after it is put into regular service after
successful charging and trial operation.
Commercial sub-Committee approved the observation of GETCO and
expressed that date of Commercial Operation of the above element be
considered after compliance of the above condition.
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 38
15.8 Regarding case of earlier COD for reasons not attributable to PGCIL,
the decision rests with CERC. Hence TCC after discussion, informed that as per
existing regulations on the matter, for elements that are put in regular service, the
COD shall be the 1st of the following month which can be noted by the RPC. For
cases where the PGCIL has completed its contractual obligations and regular
service is not possible for reasons beyond control of PGCIL, the deciding authority
is the Hon’ble Commission CERC. In this case PGCIL have completed their
commissioning activities, but the element could not be put in regular service as bay
at Sasan was not ready. Hence PGCIL may seek the Commission’s decision for the
COD. WRPC noted/agreed. ITEM No.16 : SCHEDULING ISSUES AT NTPC STATIONS DURING FUEL SHORTAGE CONDITIONS: Background: Member Secretary I/c, WRPC informed that GUVNL vide letter No.
GUVNL:GM(Com.):209 dated 31.01.2013 (copy enclosed at Annex-16.1) have
intimated that the entitlement of GUVNL in respect of NTPC generating stations
namely Vindhyachal-1,2,3, and Sipat-1,2 as per the data of WRLDC web site for the
month of Sep 12 to Nov 12 is not matching with the entitlements / availability
certification in the monthly REAs issued by WRPC. Further, the scheduled energy of
GUVNL in respect of NTPC generating stations is substantially less than entitlement/
availability certification of GUVNL certified in REAs. It is learnt that in case of NTPC
generating station the availability of the station has been considered on the basis of
maximum availability / generation during peak hour of that day applied for full day,
even though the plant availability for generation during off peak hours was less due
to fuel shortage.
The matter was deliberated in the 63rd CCM and following observations were made
MSEDCL representative stated that they have taken up the issue with NPC vide
letter No. CE/PP/NTPC/33820 dated 06.12.2012 (copy enclosed at Annex.-16.2),
wherein the applicable provisions i.e. Chapter-3, clause-21 (4) of the CERC Terms
and Condition of Tariff Regulations, 2009 was cited. As per this provision, it is
mandatory for the generating company to obtain consent/clearance of the
beneficiaries of the power station before making any change in the operating pattern
in case of fuel shortage. However the consent was not obtained from MSEDCL.
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 39
During the fuel shortage period the scheduling is required to be optimized. As seen
from the data for the period mentioned it is observed that NTPC is deriving
incentives under fuel shortage condition which is against the spirit of recovery of
fixed charges.
GM WRLDC stated that the matter was deliberated in 52nd CCM & 10th WRP
Committee meeting held on 30th May 2009 at Diu and scheduling was done by
WRLDC in accordance to the decision taken.
Following was decided in case of fuel shortage in respect of NTPC stations in 52nd
CCM & 10th WRP Committee meeting:
(i) Peak Hours would generally be worked out by taking into regional load of
previous days or similar day of the previous week.
(ii) It would be of continuous 5 Hrs. (20 time blocks of 15 minutes)
(iii) The entire year will be divided in two seasons i.e. April to September as summer
and October to March as winter season.
(iv) Peak Hours during the months of April to September – 1800 Hrs to 2300 Hrs.
(v) Peak Hours during the months of October to March – 1700 Hrs to 2200 Hrs.
(vi) Dci will be taken equal to maximum ex-power plant MW schedule specified by
the WRLDC continuously during the above defined peak hours for that day.
GUVNL representative stated they are paying for the interest on working capital for
the storage capacity of coal for 45days and sustained fuel shortage declaration
for three months is not acceptable to them. He further stated that the approved
procedure in the 10th WRPC meeting does not give blanket approval to declare
fuel shortage at the will of NTPC without taking consent from the beneficiaries.
NTPC representative stated that they have followed all the relevant statutory
provisions as regards to declaring the fuel shortages.
Commercial sub-Committee felt that the matter requires further deliberations and
therefore a meeting may be convened. Member Secretary I/c, WRPC informed
that a meeting was held subsequently, but no consensus on the matter could be
arrived at.
Discussion: During the TCC, the matter was discussed. After discussion TCC
recommended the following regarding scheduling under fuel shortage
conditions:-
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 40
1) Regarding the future cases, the earlier procedure formulated in the 10th
WRPC meeting shall be discontinued. 2) In order to address the issue of scheduling under fuel shortage conditions,
WRLDC proposed that based on NTPC input of max MW, min MW and
energy availability for the day, WRLDC shall prepare average entitlements for
96 blocks. The beneficiaries may then give their schedules. DC will be taken
equal to the maximum of the schedules throughout the day. The same shall
be discussed in a separate meeting and detail shall be worked out. 3) It was also recommended that, WRLDC shall henceforth bring to the notice of
the beneficiaries, through SLDC, fuel shortage position intimated by NTPC
under regulation 21(4). Since the scheduling under this condition has
commercial impact, WRLDC was requested to separately highlight such
messages from the normal scheduling messages. 4) Regarding the past period, Constituents pointed out that while there was low
energy output around 77% NTPC receives incentives during fuel shortage
period, due to the procedure under regulation 21(4) which does not appear
fair to the constituents. Hence it was suggested that NTPC may agree to
restricting their availability to normative availability under fuel shortage
conditions at least from the period when MSEDCL first pointed out the above
situation (Letter of Dec 12 which points to the period from Sept 12) . If so
WRLDC shall revise the DCs and entitlements accordingly. 5) NTPC informed that they are in not agreement for revision of REAs during fuel
shortage conditions from September 12 onwards, as NTPC have followed all
the relevant regulatory provisions.
The WRPC once again discussed the above points. The points 1,2 and 3 for
the future procedures in principle, was agreed by WRPC and WRPC
instructed to formulate the detailed procedure in a separate meeting.
Regarding the revision of the past REA’s for the period from Sept 2012
mentioned in MSEDCL letter, WRPC once again requested NTPC to restrict
their availability to normative availability under fuel shortage conditions. NTPC
reiterated that they have followed the prescribed procedures under the
regulation 21(4) and the procedure adopted by WRLDC was in line with the
prevalent WRPC agreed procedure, and hence NTPC did not agree to the
above request of WRPC. WRPC then requested WRLDC to revise the DC for
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 41
the above period for further revision of REAs and suggested that if NTPC
was not agreeing to the same, they may approach the Hon’ble Commission if
they feel so.
It was agreed to hold separate meeting to detailing the future procedure to be adopted and also scheduling of NTPC Kawas and Gandhar to technical minimum level. ITEM No 17: OUTAGE PROGRAMME OF TRANSMISSION LINES/ELEMENTS
Member Secretary I/c WRPC informed the procedures followed in the OCC for line
outage planning and the same are given below:
A. Line outages planning The line outage planning is becoming very complex day by day, and therefore needs
sophisticated and better planning well in advance. As per IEGC the outage planning
of transmission elements is generally done in OCC. Considering the complexity pre -
OCC meeting is being held in which the line outages planning is done on calendar
month basis. B. Line outages planned vs. implemented:
The status of line outages planned in OCC vs. outages availed and any
deviations from planning or emergency outages for the concerned month are being
discussed in OCC and defaulters are requested to explain the reason of deviation.
C. Code giving procedure:
Since short term market clearance depends on available transmission capacity & is
cleared on day ahead basis, there is a need for better planning. In this regard OCC
formulated the following guide lines for better operation:
(A) All utilities shall confirm on D-2 about readiness to avail outages(where D is date of outage).
(B) WRLDC shall issue code in real time within 10 minutes either to avail or cancel depending on real time conditions.
(C) All utilities do not confirm by D-2, those outages shall be deemed to be cancelled.
D. Inter regional line Outage planning:
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 42
As per letter no. 7 /AI/GD/GM-2012, dated 7th Sept., 2012 from Member (GO & D),
CEA, OCC clear NOC for outage of the inter-regional lines in respect of Western
Region. NLDC coordinates inter-regional outages under intimation to
WRPC/WRLDC. WRLDC coordinates in real-time and also along with line outages
already agreed in OCC.
WRPC noted. ITEM NO 18: STATUS OF LC OPENING TOWARD UI PAYMENTS . The status of LC to be opened by WR entities for the FY 2012-13 is given below.
Sl No. WR Entity who have to open LC
No. of times UI payment was
delayed( From 01-Apr-11 to 31-Mar-12)
No of weeks in which UI payable
Average payable
weekly UI (Rs in lakhs)
LC Amount (Rs in lakhs)
Remarks
1 CSPDCL 2 36 1037 1141 Not opened
2 MP Power
Management Co. Ltd
20 23 1259 1385
Opened LC for Rs 13.85
crores on 11th Oct12 which is
valid upto 30.06.13
3 GOA 5 25 103 113 Not opened
4 DNH 14 20 238 262
LC opened for Rs 1.24 crores
on 23.6.12 which is valid upto 20.6.13
5 D&D 18 18 130 143
LC opened for Rs 5.11crores
on 7.2.12 which is valid upto 6.2.13
6 JINDAL POWER 12 33 183 201
LC opened for Rs 1.89 crores
on 9.12.11 which was valid upto 9.12.12
7 LANCO 2 6 193 212 Not opened
8 *Essar MAHAN Thermal Power
Plant 8 16 13 14.3 Not opened
* Essar MAHAN TPP Defaulted in current FY 2012-13 in 9th week (21-27.05.12). WRPC requested to expedite opening of LCs by CSPDCL, LANCO and Essar Mahan.
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 43
ITEM NO 19: RECONCILIATION OF UI AND REC POOL ACCOUNT FOR THE PERIOD OCT’12 - DEC’12.
Member Secretary I/c WRPC informed that all the details of payments/receipts of UI
and REC during Oct’12 to Dec’12 are being uploaded on WRLDC website
(www.wrldc.com/commercial/Pool Reconciliation). UI and REC bills issued/payment
received up to 31st Dec’12 are considered for reconciliation. All members are
requested to download the same and inform WRLDC if any discrepancy. WRLDC
proposed to complete the reconciliation process by 31st Jan 2013.
Constituents were requested to kindly check the statements at their end and
complete the reconciliation.
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 44
Status of UI charge payable/Receivable to UI Pool account as on 30th Jan’2013
Status of UI Charges Payable/Receivable to UI Pool Account Last updated on 30/01/13
(+) Payable / (-) Receivable from Pool Amount in Rs. Total dues Payments overdue Principal PrincipalCSPDCL 37,587,814 MP Power Management Co. ltd. 0 GETCO 0 MSEDCL 1Goa 6 D&D 0 DNH 0 NTPC -1 NR Exchange 3,052,122,404 3,136,123,919SR Exchange 1ER Exchange 1,028,299,058 854,491,145JINDAL POWER 0 HVDC V'chal 0 HVDC B'vati 0 Lanco Amarkantak Power Ltd 0 NSPCL 0ACB India Ltd. 962,234 RGPPL 0 BALCO 0 CGPL UMPP MUNDRA 3 DCPP JSPL 0 Essar (MAHAN) TPP 1,958,799 18,355SASAN Power limited 6,609,116 5,080,088KSK Mahanadi 142,632 Vandana Vidyut Ltd 126,671 EMCO Energy ltd 642,244 Differential amount from capping due to injn. >105% -426,216,859 Amount araised from additional UI -611,637,382 Amount araised from capping on Over Injn.and under drawal -3,747,437,501 Net Total in capping&Addl. UI A/c -656,840,760 Note : This includes : 1. UI Accounts issued upto 42nd week of 2012-13 ie., 07.01.13 to 13.01.13 2. UI Payments received and distributed upto 30.01.13
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 45
WRLDC requested to physically reconcile accounts. ITEM NO 20: STATUS OF REC PAYABLE/RECEIVABLE TO UI POOL ACCOUNT AS ON 21ST JAN’ 2013
Status of Reactive Energy Charges Payable to REC Pool Account Last updated on 21/01/13
(+) Payable / (-) Receivable from Pool Amount in Rs. Total dues Total overdues Principal PrincipalCSPDCL -5,771,081 -4,049,826MPPTCL -2,612,444 -719,188GETCO -5,121,052 -3,162,799MSEDCL 0 0Goa -134,884 -98,847DD 15,565,519 15,477,893DNH 7,991,180 7,711,439TOTAL 9,917,238 15,158,672*When Receivables are more than payable, total of all receivables made equal to payable. *When all are receivable, all receivables made zero . Note : This includes : 1. REC Accounts issued upto 40th week of 2012-13 ie.,24.12.2012 to30.12.2012 2. REC Payments received up to 21.1.13
WRPC Committee may like to note. ITEM No. 21: SUMMARY OF THE DISCUSSIONS ON APPLICATIONS OF
CONNECTIVITY/LONG TERM ACCESS/MEDIUM TERM OPEN ACCESS IN WR AGREED IN 35TH SCM & 17TH MEETING OF WR CONSTITUENTS ON CONNECTIVITY/LTA HELD ON 03.01.13:
A. Applications for Grant of Connectivity
(1) ACB (India) Limited (i) Project Details Connectivity/LTA already granted – 2x135 MW
Additional Connectivity for 2x30MW Distt.- Korba, Chhattisgarh
(ii) Commissioning schedule U-1 (30MW): Existing, U-2 (30MW): Aug’13
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 46
(iii) Connectivity granted 54MW / U#1: from the date of physical connectivity upon approval, U#2: Aug’13 Subject to
a) M/s ACB shall ensure to physically disconnect 1x30 MW unit (connected to STU grid presently) from STU interconnection before connecting to ISTS network.
b) clearance from CSPTCL
(iv) Step up Voltage 132kV
(v)
Connectivity transmission system
132kV interconnection with the existing 400/132kV ACB TPS switchyard (Under the scope of the generation developer)
For connectivity to ISTS, existing ACB TPS – WR Pool (Bilaspur) 400kV D/c line may be utilized.
(Already implemented by generation developer) (2) BALCO Limited
(i) Project Details LTA /Connectivity already granted – 4x300MW + 2x67.5 MW Additional Connectivity sought – 4x135MW +2x67.5 MW Distt.- Korba, Chhattisgarh
(ii) Commissioning schedule
2X67.5 MW- existing 4x135MW- existing
(iii) Connectivity granted 675MW (4x135+2X67.5) from Oct’13 Subject to
c) complete physical segregation of these units from STU grid
d) clearance from CSPTCL
(iv) Step up Voltage 400kV (v) Connectivity
transmission system Interconnection of 4x135+2X67.5MW units to Busbar of 4×300MW TPS
BALCO TPS – Dharamjaygarh S/s 400kV D/c line
(Being implemented by BALCO for connectivity of their other units also)
B. Applications for Grant of Connectivity & LTA 1) NTPC Ltd. Lara STPP-I (i) Generation
Project Details 1600 MW(2x800MW) Distt.- Raigarh, State-Chhattisgarh
(ii) Commissioning schedule
U-1: May’16 U-2: Nov’16
(iii) Connectivity granted
1600 MW from June’15
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 47
(iv) LTA granted U#1: June’16 (793.25MW) U#2: 30.11.16 (1586.51) For 25years
(v) Step up Voltage
400kV
(vi) Beneficiaries CSPDCL – 793.25 MW; MP TRADECO – 130.68 MW; GUVNL – 180.71 MW; MSEDCL – 226.21 MW; GOA – 8.97 MW; UT DHN – 5.29 MW; UT DD – 3.42 MW
(vii) Connectivity transmission system
Lara- I TPS – Raigarh (Kotra) Pooling Station 400kV D/c. (Transmission lines to be implemented through Tariff based Competitive bidding and 2 nos. 400kV line bays each at Kotra Pooling Station to be implemented by POWERGRID)
(viii)
LTA transmission system
Lara- I TPS – Champa Pooling station 400kV D/c (Quad)
Up-gradation of +800kV, 3000MW HVDC bipole between Champa Pooling station – Kurukshetra (NR) to 6000MW
Kurukshetra (NR) – Jind 400kV D/c ( Quad) ( To be implemented by POWERGRID)
• Beneficiaries to sign LTA Agreement & TSA with CTU and Transmission Licensee for payment of transmission charges corresponding to their share.
C. Applications for Grant of Long Term Access (LTA) 1) M.P Power Management Co. Ltd.
(i) Generation Project Details
246MW (From 2x600MW power project of M/s Jhabua Power Ltd.)
(ii) LTA granted 246MW at various CTU-STU interconnections in M.P. from Apr’13 for 20 years from grant of LTA
(iii) Target Beneficiaries M.P. - 246MW (iv) LTA transmission system Transmission system strengthening
• Jhabhua TPS – Jabalpur Pool S/s 400kV D/c (High Capacity) (being implemented by M/s Jhabua Power Ltd.)
Transmission system strengthening in WR* • Jabalpur Pool Station – Bina 765kV
S/c (3rd ) ( being implemented through tariff based competitive bidding)
Common transmission corridor* • Jabalpur Pooling station – Bhopal –
Indore 765kV S/c (being implemented through tariff based competitive bidding)
• Establishment of 765/400kV, 2x1500MVA Jabalpur Pooling S/s.
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 48
(being implemented by POWERGRID) * bays and reactors at Jabalpur Pool, Bina and Indore under implementation by POWERGRID
• Since, the Jhabhua TPS- Jabalpur pool 400kV (High capacity) line is
dedicated line, mechanism for sharing of transmission charges for above line shall be mutually worked out by MPPMCL and Jhabhua Power Ltd.
• MPPMCL shall pay ISTS transmission charges corresponding to 246MW
2) M.P Power Management Co. Ltd. (i) Generation Project Details 495 MW (From 2x660MW power project of M/s
Jaiprakash Power Venture Ltd.) (ii) LTA granted 495 MW from 01.04.2014 for 20 years at
various CTU-STU interconnections in M.P. (iii) Target Beneficiaries M.P.: 495 MW (iv) LTA transmission system Transmission system strengthening
• Jaypee Nigrie TPP – Satna 400kV D/c (High Capacity) (being implemented by M/s Jaiprakash Power Ventures Ltd.)
Common transmission corridor In WR • Indore- Vadodara 765kV S/c • Vadodara- Pirana 765kV D/c • Establishment of 765/400kV,
2x1500MVA Vadodara S/s (Being implemented by POWERGRID)
• Since, the Jaypee Nigrie TPS – Satna 400kV (High Capacity) line is dedicated
line, mechanism for sharing of transmission charges for above line shall be mutually worked out by MPPMCL and M/s Jaiprakash Power Ventures Ltd.
• LTA Quantum of M/s Jaypee Nigrie shall be reduced by 495MW to 745.8MW (WR-358.5MW, NR-387.3MW). The total quantum of LTA from project shall remain at 1240.8 MW)
• MPPMCL shall pay ISTS transmission charges corresponding to 495MW. 3) Torrent Power Limited, Ahmadabad (DISCOM)
(i) Generation Project Details 400MW (From 1200MW DGEN Plant)
(ii) LTA granted 400MW from 01.09.2013 (iii) Step up Voltage 400kV (iv) LTA transmission system
Transmission system strengthening in
WR 1. TEL DGEN TPS – Navsari 400kV D/c
(triple/quad) – under implementation by generation developer
2. TEL DGEN TPS – Vadodra 400kV D/c (Twin Moose)
3. Navsari – Bhesthan 220kV D/c line (Tr. lines for items 2 & 3 to be
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 49
implemented through Tariff based Competitive biddin and bays at 400kV Vadodra and 220kV Navsari S/s to be implemented by POWERGRID, 220kV line bays at Bhesthan (GETCO) substation to be implemented by GETCO)
4. Augmentation of transformation capacity at 400/220kV Navsari s/s by 1x500MVA - under implementation by POWERGRID
5. Establishment of new 400/132kV S/s at Nicol through LILO of one ckt of 400kV Dehgam- Pirana D/c line (to be implemented by distribution licensee/ generation developer)
• Torrent Power Ltd., (Ahmedabad) shall pay ISTS transmission charges for 400MW.
• LTA to TEL (DGEN) shall be reduced from 1200 MW to 800MW (WR-400MW,
NR-400MW). The total LTA from the project shall be 1200MW.
4) Torrent Power Limited (UNOSUGEN) (i) Generation Project
Details 382.5MW Dist- Surat , Gujarat
(ii) Commissioning schedule 01.04.2013 (iii) LTA granted 35 MW from Apr’13 (iv) Step up Voltage 400kV (v) LTA transmission system • LILO of one ckt of 400kV Sugen TPS –
Pirana (TPL) at UNOSUGEN TPS (Being implemented by generator developer)
• Torrent Power Ltd. (UNOSUGEN) shall pay transmission charges corresponding to 35MW.
5) Heavy Water Board
(i) Generation Project Details
Kakrapar Nuclear Power Plant ,Gujarat)
(ii) LTA granted 17 MW from 19.12.12 Subject to NOC from MSETCL & MSEDCL.
(iii) LTA transmission system Existing ISTS transmission system
• Heavy Water Board shall pay transmission charges corresponding to 17 MW.
6) Jaypee Karcham Hydro Corporation Ltd.
(i) Generation Project Details
1000MW Karcham Wangtoo Generation Project, Northern Region
(ii) LTA granted 704 MW from 01/04/12 upto 31/03/37 (for 25 years)
(iii) Target Beneficiaries NR – 528 MW from 01/04/12 to 30/06/14
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 50
– 440 MW from 01/07/14 to 31/03/37
WR – 176 MW from 01/04/12 to 31/03/37 SR – 88 MW from 01/07/14 to 31/03/37
(iv) LTA transmission system in WR
Existing ISTS transmission system
• JKHCL shall pay transmission charges of ISTS for 704 MW from 01.04.12.
D. Grant of MTOA
Following MTOA have been granted: 1. 40.5MW to Electricity Department UT DNH from NSPCL, Bhilai for the period
01.04.13 to 31.3.14
2. 107MW to MPPCL from BALCO, Chhattisgarh for the period of 01.04.13 to 31.07.13
3. 102MW to MPPCL from BALCO, Chhattisgarh for the period of 01.08.13 to 31.03.14
4. 309MW to MPPCL from CSPDCL for the period of 01.04.13 to 31.03.14
As regards to grant of MTOA of 40.5 MW to Electricity Department UT DHN from NSPL Bhilai at Sr No. 1, GETCO informed that existing DD and DNH is drawing power from GETCO system and GETCO system is already overloaded. In view of the overloading of GETCO system, GETCO raised concerns over grant of MTOA to DNH. CTU representative intimated that the 3rd ICT at Vapi would relieve overloading in GETCO system. GETCO observed that they shall see the effect of new 3rd ICT at Vapi and revert back to CTU. It was also decided to hold a meeting between stakeholders at DD/DNH. E. Cancellation of Long Term Access to Jaypee Sidhi Cement Plant
LTA of 140 MW granted to M/s Jaypee Sidhi Cement plant (2x60+35MW) for
a period of 12 years from its 155MW generation project in Distt. Sidhi, M.P.
has been cancelled.
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 51
F. Modification in LTA quantum/commencement of LTA
S.No
LTA Applicant
LTOA earlier granted for
Modifications agreed in the LTOA
1. Spectrum Coal and Power Ltd.
• 100MW (WR- 50MW,CSEB- 50MW)
• 88MW (WR – 83.5 MW; CSEB – 4.5 MW)
2. Jayaswal Neco Urja Limited
• 600MW (WR- 310MW, NR-290MW)
• 549 MW (WR – 283.6 MW; CSEB – 265.4 MW)
3. Hindustan Electricity Generation Company Pvt. Limited (HEGCPL)
• 379MW (SR-114MW, ER- 265MW)
• 379 MW (ER-379MW )
G. Closure of Connectivity/LTA applications
In view of poor progress of the generation projects, following long pending applications have been closed:-
LTOA applications (As per CERC Regulations, 2004)
Sl. No
LTOA Applicant
Installed Capacity
Applied for Connectivity & LTA Quantum
1. Sona Power Ltd. 600MW LTOA –600 MW 2. Godawari Energy Ltd. 1200MW LTOA –1025 MW 3. Sarda Energy & Minerals Ltd. 1320 MW LTOA –1200 MW
Applications for Connectivity/LTA (As per CERC Regulations, 2009)
WRP Committee noted.
Sl. No
Connectivity & LTA Applicant as per CERC Regulations, 2009
Installed Capacity
Applied for Connectivity & LTA Quantum
1. Regal Energy Ltd. 2640MW Conn –2640 MW 2. Shri Lakshmi Power Ltd 360MW Conn –360MW
LTA – 213 MW 3. Welspun Energy Anuppur Pvt.
Ltd. 1320MW Conn – 1320 MW
4. Adani Power Dahej Limited 2640MW Conn – 2640 MW 5. Bharuch Power Limited 7200MW Conn – 7200 MW 6. Astarc Power Pvt Ltd. 1320MW Conn – 1241 MW 7. Ellora Paper Mills Ltd 2640MW Conn – 2640 MW 8. Petronet LNG Ltd. 1200MW Conn – 1200 MW 9. Banas Thermal Power Pvt Ltd. 1320MW Conn – 1320 MW
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 52
ITEM No. 22: DECLARATION OF GENERATING UNITS INTO COMMERCIAL
OPERATION & SYNCHRONISATION/CONNECTION OF GENERATING UNITS WITH/TO THE GRID.
22.1:WRLDC vide letter WRPC/O.M.-I/1530/2012 Dtd. 01.11.2012 (copy enclosed
at Annex.- 22.1) have intimated that Unit No. 30 of CGPL Mundra have
successfully completed the 72hrs commissioning test. The third unit (Unit No.
30) have been declared in Commercial Operation (COD) from 27th Oct 2012.
22.2: APL vide letter APML/SLDC/12092012 dtd. 12.09.2012 (copy enclosed at
Annex.- 22.2) have intimated that Unit-1 has been successfully commissioned
after achieving full load at 13:07hrs on 11.09.2012.
22.3: WRLDC vide letter WRPC/O.M.-I/1530/2012 Dtd. 25.10.2012 (copy enclosed
at Annex.- 22.3) have intimated that Unit No.1 (50MW) of Spectrum coal &
power (2x50MW) have connected with the grid and started commissioning work
from 17.10.2012.
2.4: WRLDC vide letter WRPC/O.M.-I/1530/2012 Dtd. 03.01.2013 (copy enclosed at
Annex.- 22.4) have intimated that Unit No.#40(800MW) of GCPL Mundra
UMPP have synchronised with the grid from 28.12.2012.
ITEM No. 23: STATUS OF TRANSMISSION LINES PROGRESS
The progress of ongoing transmission projects in Western Region under following
categories are enclosed at Annexure-23.
a) Progress of transmission schemes associated with evacuation and system
strengthening scheme for own Generating Station.
b) Progress of transmission schemes associated with evacuation and system
strengthening scheme for Generating Station set up by IPP.
c) Progress of interconnected transmission schemes associated with PGCIL
Sub-station.
d) Progress of transmission schemes and system strengthening schemes set up
through IPTC route.
e) Progress of Intra-state transmission schemes
WRP Committee may like to note.
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 53
ITEM No. 24: STATUS OF COMMISSIONING OF NEW GENERATING UNITS:
The status regarding Generating units, commissioned /expected to be commissioned during the current year 2012-13 according the available information is as below:
Name of the Power Projects Unit No. Capacity (MW)
Date of Commissioning /Schedule Date
GUJARAT
Ukkai TPS Extn. 6 500 Commissioned on 01.10.2012
Pipavav CCPP- GPCL & GSPC joint venture Block-1 350 March 2013 Block-2 350 July-2013 Mundra(CGPL) 2 800 30.07.12
3 800 Commissioned on
06.10.2012 Bhavnagar Lignite TPP-JV I 250 Feb 2013 II 250 May 2013 CHHATTISGARH Korba West-III TPP 1 500 February. 2013 Marwa TPS I 500 June/July 2013 MADHYA PRADESH Satpura TPS Extn. 10 250 26.01.2013
• On 01/04/12, NTPC Sipat stage I unit # 3(660 MW) sync at 23:54 hrs
• On 03/04/12, ESSAR(VADINAR)#2 (600MW) SYNC AT 14:29 HRS
• On 08/04/12, NTPC Mouda #1 (500MW) sync at 01:47 hrs.
• On 25/05/12, NTPC Sipat stage I unit # 2(660 MW) sync at 00:00 hrs
• APL Tiroda Unit-1 (660 MW) Synchronised on 23.09.2012.
• Gupta Engg pvt ltd (60MW) at Chandrapur synchronised on 17.09.2012.
• AP Maharashtra Ltd. -2 (660 MW), Synchronised on 30.01.2013.
WRP Committee may like to note.
ITEM No. 25: RENOVATION AND MODERNISATION OF WRPC OFFICE BUILDING
25.1 Contributions for renovation & modernisation of WRPC office building. Member Secretary I/c, WRPC intimated that as per figures received from PGCIL the
total amount received for first and second instalment is ` 6,51,19,992/-. Also, during
8th R&M sub-Committee meeting held on 25.02.2013, PGCIL representative was
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 54
requested to submit the break-up of the payment received so that reminders can be
sent to the utilities from whom payment has not yet been received.
WRP Committee noted as above. 25.2 Structural examinations through structural consultant for renovation &
modernization of WRPC office building
Member Secretary I/c, WRPC intimated that WRP Committee during 21st meeting,
accorded its approval for carrying out the structural examination through structural
consultant and suggesting remedial measures. PGCIL vide letter dated 1.1.2013
have intimated that award for aforesaid work is placed on M/s Vinja Consulting
Engineers Pvt. Ltd, Thane at a total contract value was Rs. 2,96,563.
PGCIL vide letter No. WR-1/MUMBAI/WRPC-REN/2013-2703 dated 21st February
2013 (copy enclosed at Annexure-25) have submitted the report and intimated that
following works identified to be carried out for structural strengthening of the building :
Rectification of existing fifth floor terrace slab
1. Water proofing work
2. Replacement of existing RCC water tank with Sintex tanks of 5000 ltrs
capacity
3. Grouting works of structural members
This matter was discussed during R&M Sub-Committee meeting held on 25.02.2013.
Total requirement for above works were estimated at 71.69 Lakhs out of which 30.35
lakhs was approved by WRP Committee during 21st meeting. Balance estimate of
41.34 lakhs along with some margin totaling 50 Lakhs was recommended for
approval by R&M Committee for structural work. However, Committee recommended
that 3rd installment of around 2 crores (1.5crore earlier approved and 0.5crore as
recommended by R&M Committee during 8th meeting) may be called for only when
final figures are available based on actual quoted price. Member Secretary I/c,
WRPC observed that the R &M work is being implemented through PGCIL and
therefore PGCIL may take appropriate decision to award the work to same agency or
any other agency through tender processing etc. to minimize the execution time.
WRP Committee accorded its approval for additional 50 lakhs (including margin) and expressed that 3rd installment of around 2 crores (1.5crore earlier
approved and 0.5crore as recommended by R&M Committee during 8th
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 55
meeting) may be called for only when final figures are available based on
actual quoted price.
ITEM No. 26: MEMBERSHIP OF WRPC
26.1 Government of India, Ministry of Power under the provision of Section 2,
Subsection 55 of the Electricity Act 2003 vide its resolution F.No.23/1/2004-R&R
dated 25.05.2005 and subsequent amendments dated 29.11.2005 and 9th May 2008
published in the Gazette of India established the Western Regional Power
Committee in place of erstwhile Western Regional Electricity Board.
26.2 Accordingly, membership of State DICOM having more than one Distribution
Companies, representation of Private DISCOM, representation of IPPs having
installed capacity of 1000 MW and below and representation of Electricity Traders is
due for rotation and for the year 2013-2014 it will be as given below:
(i) Gujarat Paschim Gujarat Vij Vitaran Co. Ltd, Rajkot
(ii) Madhya Pradesh Madhya Kshetra Vidyut Vitaran Co. Ltd., Bhopal
(iii) Representative of GENCO having IC 1000 MW and less.
Reliance Infrastructure Ltd.
(iv) One DISCOM out of private DISCOMs in WR
Torrent Power AE Co. Surat
(v) One member representing Electricity Traders
To be intimated by CEA.
26.3 Chairmanship of WRPC is due for rotation w.e.f. 01.04.2013 and CMDs of
Gujarat State Power Companies would be Chairman of WRPC for the next year(
2013-14). Members of Gujarat State may intimate the name for the Chairman,
WRPC among the state power companies of the Gujarat State.
WRP Committee may discuss and approve as above. Supplementary Agenda Item
Item No -27(SA 1 ): Interim connectivity to CTU network for M/s IEPL unit no -1(270MW) for testing and commissioning : Member Secretary I/c WRPC informed that 2X270 MW IPP of M/s IEPL has been
granted connectivity by MSETCL by LILO of one ckt of 400 kV D/C line from Koradi
towards Wardha. As this line was getting delayed because of forest clearance
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 56
issues, based on the recommendation of MSETCL, M/s IEPL was granted
connectivity by LILO of one circuit of Mauda-Wardha 400 kV D/C (quad) line till
MSETCL line gets commissioned for providing start up power to their first unit of 270
MW. This connectivity was only for taking start up power. Now M/s IEPL wants to
synchronize its units for testing and commissioning which involves injection of power
in the grid. As the 400 kV D/C line from Koradi towards Wardha is yet to be
completed, MSETCL has requested to allow M/s IEPL to inject power in Mouda –
Wardha 400 kV line as an contingency arrangement till their line gets commissioned.
He further informed that in this matter, a meeting was taken by Chairperson CEA on
20.02.2013 at CEA New Delhi & following was concluded:
(i) Member Secretary, WRPC will discuss with the WR constituents to consider
injection of power by M/s
IEPL for testing and commissioning on opportunity basis.
(ii) After receiving the concurrence of WRPC, the CTU will modify the tripartite
connection agreement
with IEPL to include injection of power as per CERC regulations on connectivity.
(iii) WRLDC may allow injection of power for testing and commissioning 1X270 MW
unit of M/s IEPL on opportunity basis.
The matter was discussed in the TCC, whether it was be possible for WRLDC to
allow injection of power for testing and commissioning on opportunity basis. WRLDC
informed that the present conditions of the grid beyond Wardha was critical and
lines were loaded beyond 530 MW. Also Moudha generation unit no 1, of NTPC was
also scheduled to come shortly. Hence it was difficult to absorb any power from M/s
IEPL on opportunity basis. Further in view of protection difficulties being faced due to
LILO of Moudha -Wardha line at IEPL and proposed synchronization of Moudha unit
no 1, he recommended that LILO at IEPL on Moudha-Wardha line may be removed.
The TCC noted the views of WRLDC and after discussions, recommended the same
for WRPC.
Minutes of 22nd WRPC meeting held at Gandhinagar on 26.02.2013 57
During the WRPC meeting Chairperson WRPC queried whether any definite period
was requested by M/s IEPL for injection of power. Member Secretary informed that
no definite period was requested by M/s IEPL or anticipated under testing conditions.
Chairperson queried the problems likely to be faced with injection at M/s IEPL on
opportunity basis. WRLDC pointed out that the power would flow to Wardha and line
loadings beyond Wardha were criticial. Also other STOA generators would require to
be backed down if more power comes from IEPL side. Hence due to these technical
constraints it was not possible to absorb the power from M/s IEPL.
Member Secretary I/c proposed that M/s IEPL may be permitted to inject the power
based on real time conditions. Director PGCIL, informed that due to W3 area and its
constraints, and a lot of generation is already backed down and under these
conditions injection of power by M/s IEPL may not be possible to be accommodated.
Chairperson WRPC requested Member Secretary I/c WRPC to record the above
views and discussions and inform Chairperson, CEA accordingly.
WRPC agreed to the above.
ITEM No. 28: DATE AND VENUE OF NEXT WRPC MEETING:
It was decided that as per the roster the next meeting shall be hosted by DNH. DNH
representative was requested to take up the same with their management and
convey their decision to Member Secretary I/c WRPC.
************************
œ¸®¸½¢¨¸¬¸¢Ÿ¸¢÷¸ ˆÅú 22 ¨¸ì ÷¸ˆÅ.¬¸Ÿ¸.¬¸¢Ÿ¸¢÷¸ ˆÅú ¢™›¸¸¿ˆÅ 25.02.2013 ˆÅ¸½ Š¸¸Âš¸ú›¸Š¸£ Ÿ¸½¿ ‚¸¡¸¸½¢�¸÷¸ ¤¸¾“ˆÅ Ÿ¸½¿ ž¸¸Š¸ ¥¸½›¸½ ¨¸¸¥¸½ ‚¢š¸ˆÅ¸¢£¡¸¸½¿ ˆÅú ¬¸»�¸ú
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1. ªú ‡¬¸.�¸ú. ˆ½Å¥¸ˆÅ£, ˆÅ¸¡¸ÄˆÅ¸£ú ¢›¸™½©¸ˆÅ (œÏ�¸¸.), Ÿ¸í¸£¸¢¨¸œ¸¸£½ˆ¿Å¢¥¸¢Ÿ¸. 2. ªú ‡.‡¬¸. �¸¨í¸μ¸, Ÿ¸º‰¡¸ ‚¢ž¸¡¸¿÷¸¸ (œ¸úœ¸ú), Ÿ¸í¸£¸¢¨¸¢¨¸÷¸ˆ¿Å¢¥¸¢Ÿ¸. 3. ªú ‡›¸.‚¸£.¬¸¸½›¸ˆÅ¨¸§½, Ÿ¸í¸£¸¢¨¸œ¸¸£½ˆ¿Å¢¥¸¢Ÿ¸. 4. ªú ‡¬¸.�¸ú. œ¸º£ˆÅ£, ˆÅ¸¡¸Äœ¸¸¥¸ˆÅ ‚¢ž¸¡¸¿÷¸¸(‡¬¸’ú¡¸»), Ÿ¸í¸£¸¢¨¸œ¸¸£½ˆ¿Å¢¥¸¢Ÿ¸. 5. ªú ‡.¨¸ú. œ¸�¸¸½£ú, ˆÅ¸¡¸Äœ¸¸¥¸ˆÅ ‚¢ž¸¡¸¿÷¸¸, Ÿ¸í¸Š¸½›¸ˆÅ¸½
II Žî¸ú¬¸Š¸�õ
1. ªú ‚¸£.ˆ½Å. Ÿ¸½í÷¸¸, Ÿ¸º‰¡¸ ‚¢ž¸¡¸¿÷¸¸, Žî¸ú£¸¢¨¸œ¸¸£½ˆ¿Å¢¥¸¢Ÿ¸. 2. ªú ”ú.ˆÅ½ �¸¸¨¸”¸, ‚š¸ú®¸μ¸ ‚¢ž¸¡¸¿÷¸¸, Žî¸ú£¸¢¨¸œ¸¸£½ˆ¿Å¢¥¸¢Ÿ¸.
III Š¸º�¸£¸÷¸
1. ªú ‡¬¸.ˆ½Å. ›¸½Š¸ú, œÏ¤¸¿š¸ ¢›¸™½©¸ˆÅ, Š¸½’ˆÅ¸½ 2. ªú ‡¬¸.¬¸ú.™¨¸½, �¸.¬¸¿.‚¢š¸., Š¸º�¸…¢¨¸¢›¸¢¥¸¢Ÿ¸. 3. ªú ‡›¸.‡Ÿ¸.œ¸¿”Ḹ, ‚š¸ú®¸μ¸ ‚¢ž¸¡¸¿÷¸¸, Š¸½’ˆÅ¸½ 4. ªú œ¸ú.�¸½. �¸¸›¸ú, ˆÅ¸¡¸Äœ¸¸¥¸ˆÅ ‚¢ž¸¡¸¿÷¸¸, Š¸º�¸…¢¨¸¢›¸¢¥¸¢Ÿ¸.
-2-
IV Ÿ¸š¡¸ œÏ™½©¸
1. ªú ˆ½Å.ˆ½Å. ‚ŠÏ¨¸¸¥¸, Ÿ¸º‰¡¸ Ÿ¸í¸ œÏ¤¸¿š¸ˆÅ, Ÿ¸œÏ¢¨¸œÏ¤¸¿ˆ¿Å¢¥¸¢Ÿ¸. 2. ªú £¸�¸ú¨¸ ˆ½Å©¸ˆÅ£, Ÿ¸í¸ œÏ¤¸¿š¸ˆÅ, Ÿ¸œÏ¢¨¸œÏ¤¸¿ˆ¿Å¢¥¸¢Ÿ¸. 3. ªú œÏŸ¸¸½™ �¸¸¾š¸£ú, ‚¢÷¸.Ÿ¸í¸ œÏ¤¸¿š¸ˆÅ, Ÿ¸œÏ¢¨¸œÏ¤¸¿ˆ¿Å¢¥¸¢Ÿ¸. 4. ªú ¨¸ú. Ÿ¸½í÷¸¸½, ¬¸¥¸¸íˆÅ¸£, Ÿ¸œÏ¢¨¸œ¸¸£½ˆ¿Å¢¥¸¢Ÿ¸. 5. ªú ”ú.¬¸ú. �¸¾›¸, Ÿ¸º‰¡¸ ‚¢ž¸¡¸¿÷¸¸ Ÿ¸œÏ¢¨¸œ¸¸£½ˆ¿Å¢¥¸¢Ÿ¸. 6. ªú ‚¿¢÷¸Ÿ¸ �¸¾›¸, ›¸¸½”¥¸ ‚¸Á¢ûŬ¸, Ÿ¸œÏœ¸®¸½¢¨¸¢¨¸ˆ¿Å¢¥¸¢Ÿ¸.
V ™¸™£¸ ›¸Š¸£ í¨¸½¥¸ú 1. ªú ‚¸£.¤¸ú. �¸¸¾¤¸¥¸, „œ¸ ‚¢ž¸¡¸¿÷¸¸
VI ™Ÿ¸›¸ ‡¨¸¿ ™ú¨¸
1. ªú ”ú.‡Ÿ¸. ¬¸¸½¥¸¿ˆÅú, ˆÅ¢›¸.‚¢ž¸¡¸¿÷¸¸ VII ‡›¸’úœ¸ú¬¸ú ¢¥¸¢Ÿ¸. 1. ªú ‡¬¸.‡¬¸. ¬¸½›¸, Ÿ¸í¸ œÏ¤¸¿š¸ˆÅ (œÏ�¸¸.‚.), œ¸®¸½-I 2. ªú ¬¸º›¸ú¥¸ �¸ºŸ¸”½, Ÿ¸í¸ œÏ¤¸¿š¸ˆÅ (¨¸¸.), œ¸®¸½-II
3. ¬¸ºªú ¬¸º¢�¸°¸¸ Ÿ¸½Š¸›¸, ‚¢÷¸.Ÿ¸í¸ œÏ¤¸¿š¸ˆÅ 4. ªú ‚¢›¸¥¸ ›¸¸¾¢’¡¸¸¥¸, ‚¢÷¸.Ÿ¸í¸ œÏ¤¸¿š¸ˆÅ (¨¸¸.), œ¸®¸½-II
VIII œ¸¸¨¸£¢ŠÏ” ˆÅ¸œ¸øÄ£½©¸›¸ ‚¸ÁûÅ ƒ¿¢”¡¸¸ ¢¥¸¢Ÿ¸. 1. ªú ”ú.œ¸ú. ÷¸¸Ÿ¸¸½¥¸ú, Ÿ¸í¸ œÏ¤¸¿š¸ˆÅ 2. ªú ˆÅŸ¸¥¸ ¬¸£ˆÅ¸£, Ÿ¸í¸ œÏ¤¸¿š¸ˆÅ 3. ªú ‚¸£.ˆ½Å. �¸¸¾í¸›¸, Ÿ¸í¸ œÏ¤¸¿š¸ˆÅ 4. ªú ¬¸ú.‡Ÿ¸. ¨¸Š¸úĬ¸, Ÿ¸í¸ œÏ¤¸¿š¸ˆÅ 5. ¬¸ºªú Ÿ¸¿�¸º Š¸ºœ÷¸¸, „œ¸ Ÿ¸í¸ œÏ¤¸¿š¸ˆÅ 6. ªú ¬¸º¢›¸¥¸ ˆºÅŸ¸¸£, Ÿ º̧‰¡¸ œÏ¤ ¿̧š¸ˆÅ 7. ªú ¢›¸¢©¸ˆÅ¸¿÷¸ ‡Ÿ¸. ˆ½Å§ˆÅ£, Ÿ¸º‰¡¸ œÏ¤¸¿š¸ˆÅ 8. ªú ‚¢ž¸›¸¨¸ ¨¸Ÿ¸¸Ä, Ÿ¸º‰¡¸ œÏ¤¸¿š¸ˆÅ 9. ªú £¢¨¸ ‡. ¨¸”¡¸¸¥¸ˆÅ£, œÏ¤¸¿š¸ˆÅ
IX œ¸¸¨¸£ ¢¬¸¬’Ÿ¸ ‚¸Áœ¸£½©¸›¸ ˆÅ¸œ¸øÄ£½©¸›¸
1. ªú ¬¸ú.‡¬¸. ¤¸¸½¤¸”õ½, Ÿ¸º‰¡¸ œÏ¤¸¿š¸ˆÅ - œ¸®¸½ž¸¸œÏ½ˆ½Å›Í 2. ¬¸ºªú ‡¬¸. …«¸¸, Ÿ¸º‰¡¸ œÏ¤¸¿š¸ˆÅ - œ¸®¸½ž¸¸œÏ½ˆ½Å›Í
X ’¸’¸ œ¸¸¨¸£ ˆ¿Å.
1. ªú ¨¸ú.‚¸£. ªú‰¸¿”½, í½”- œ¸ú‡¬¸¬¸ú¬¸ú
-3-
XI ‚¸£�¸úœ¸úœ¸ú‡¥¸
1. ªú ‡¬¸. ˆ½Å. ¬¸Ÿ¸ºƒÄ, ‚¢÷¸. Ÿ¸í¸ œÏ¤ ¿̧š¸ˆÅ XII �¸ú‡Ÿ¸‚¸£ ƒ›¸�¸úÄ ’ï½¢”¿Š¸
1. ªú ¬¸º›¸ú¥¸ ‚ŠÏ¨¸¸¥¸, ˆÅ¸¡¸ÄˆÅ¸£ú „œ¸¸š¡¸®¸ XIII ’¸½£ÿ’ œ¸¸¨¸£
1. ªú ‡Ÿ¸.‡�¸. ®¸°¸ú¡¸, Ÿ¸í¸ œÏ¤¸¿š¸ˆÅ 2. ªú ‡¬¸.‡¬¸. œ¸’½¥¸, ‚¢÷¸.Ÿ¸í¸ œÏ¤¸¿š¸ˆÅ 3. ªú �¸¡¸™úœ¸ �¸º”õ¸¬¸Ÿ¸¸, œÏ¤¸š¸ˆÅ
XIV ‚™¸›¸ú œ¸¸¨¸£ ¢¥¸¢Ÿ¸. 1 ªú ‡Ÿ¸.‚¸£. ˆ¼Å«μ¸ £¸¨¸, „œ¸¸š¡¸®¸
XV ¢�¸¿™¥¸ œ¸¸¨¸£ ¢¥¸¢Ÿ¸.
1 ªú ‡¬¸.�¸ú. ’½›¸œ¸½, Ÿ¸í¸ œÏ¤¸¿š¸ˆÅ XVI ‚¸ƒÄƒÄœ¸ú‡¥¸
1. ªú �¸ú.¨¸ú. ¬ ¿̧÷¸, „œ¸, Ÿ¸í¸ œÏ¤ ¿̧š¸ˆÅ XVII œ¸®¸½¢¨¸¬¸¢Ÿ¸¢÷¸, Ÿ¸º¿¤¸ƒÄ
1. ªú ¬¸÷¡¸›¸¸£¸¡¸μ¸ ‡¬¸. ‚š¸ú®¸μ¸ ‚¢ž¸¡¸¿÷¸¸ (œÏ�¸¸.) 2. ªú ‡Ÿ¸.‡Ÿ¸. š¸ˆÅ¸÷¸½, ‚š¸ú®¸μ¸ ‚¢ž¸¡¸¿÷¸¸ (£.) 3. ªú ‡¥¸.ˆ½Å. ‡¬¸ £¸“¸¾£, ¬¸í¸¡¸ˆÅ ¬¸¢�¸¨¸ 4. ªú œ¸ú.”ú. ¥¸¸½›¸½, ˆÅ¸¡¸Äœ¸¸¥¸ˆÅ ‚¢ž¸¡¸¿÷¸¸
¢™›¸¸¿ˆÅ 26.02.2013 ˆÅ¸½ Š¸¸¿š¸ú›¸Š¸£ Ÿ¸½¿ ‚¸¡¸¸½¢�¸÷¸ œ¸.®¸½.¢¨¸.¬¸¢Ÿ¸¢÷¸ ˆÅú 22 ¨¸ì ¤¸¾“ˆÅ Ÿ¸½¿ ž¸¸Š¸ ¥¸½›¸½ ¨¸¸¥¸½ ‚¢š¸ˆÅ¸¢£¡¸¸½¿ ˆÅú ¬¸»�¸ú
ˆÅ. œ¸¢©�¸Ÿ¸ ®¸½°¸ú¡¸ ¢¨¸Ô¸º÷¸ ¬¸¢Ÿ¸¢÷¸ ¬¸™¬¡¸
1. ªú ‚£¢¨¸¿™ ¢¬¸¿í, œÏ¤¸¿š¸ ¢›¸™½©¸ˆÅ, Ÿ¸í¸£¸¢¨¸œ¸¸£½ˆ¿Å¢¥¸¢Ÿ¸. 2. ªú ¬¸¿�¸¡¸ ’ú. ¢©¸¿™½, Ÿ¸º‰¡¸ ‚¢ž¸¡¸¿÷¸¸ (‡¬¸’ú¡¸»), Ÿ¸í¸£¸¢¨¸œ¸¸£½ˆ¿Å¢¥¸¢Ÿ¸. 3. ªú ˆ½Å.‡¬¸. Ÿ¸›¸¸½¢˜¸¡¸¸, Ÿ¸º‰¡¸ ‚¢ž¸¡¸¿÷¸¸ (ž¸¸.œÏ½.), Žî¸ú£¸¢¨¸œ¸¸£½ˆ¿Å¢¥¸¢Ÿ¸. 4. ªú ‡¬¸.ˆ½Å. ›¸½Š¸ú, œÏ¤¸¿š¸ ¢›¸™½©¸ˆÅ, Š¸½’ˆÅ¸½ 5. ªú Š¸º³™úœ¸ ¢¬¸¿í, œÏ¤¸¿š¸ ¢›¸™½©¸ˆÅ, Š¸º�¸£¸¢¨¸ˆ¿Å¢¥¸¢Ÿ¸. 6. ªú ‡›¸. ªú¨¸¸¬÷¸¨¸, œÏ¤ ¿̧š¸ ¢›¸™½©¸ˆÅ, „Š¸º�¸¢¨¸ˆ¿Å¢¥¸¢Ÿ¸. 7. ªú ¤¸ú.¤¸ú.Ÿ¸½í÷¸¸, Ÿ¸º‰¡¸ ‚¢ž¸¡¸¿÷¸¸, Š¸½’ˆÅ¸½ 8. ªú œ¸ú.‡.‚¸£. ¤¸½¿”½, Ÿ¸º‰¡¸ ‚¢ž¸¡¸¿÷¸¸, Ÿ¸œÏ¢¨¸œ¸¸£½ˆ¿Å¢¥¸¢Ÿ¸. 9. ªú ‚¸£.œ¸ú. ¬¸¬¸Ÿ¸¸¥¸, ¢›¸™½©¸ˆÅ 10. ªú œ¸ú. œ¸ÿ’¾¡¡¸¸, Ÿ¸í¸ œÏ¤¸¿š¸ˆÅ, œ¸®¸½ž¸¸œÏ½ˆ½Å›Í 11. ªú �¸¸Š¸¼÷¸ ¨¡¸¸¬¸, ˆÅ¸¡¸ÄˆÅ¸£ú ¢›¸™½©¸ˆÅ, ’¸½£½¿’ œ¸¸¨¸£ 12. ªú ¬¸÷¸ú©¸ ¢�¸¿™¥¸, ¢›¸™½©¸ˆÅ ‡¨¸¿ ¬¸úƒÄ‚¸½, �¸½‡¬¸”¤¥¡¸»ƒÄ‡¥¸ 13. ªú £¸Ÿ¸ ¢›¸¨¸¸¬¸, ƒÄ.¨¸ú.œ¸ú. ¢�¸¿™¥¸ œ¸¸¨¸£ ¢¥¸¢Ÿ¸. 14. ªú ¬¸º›¸ú¥¸ ‚ŠÏ¨¸¸¥¸, ¢›¸™½©¸ˆÅ, �¸ú‡Ÿ¸‚¸£ œ¸¸¨¸£ ’ï½¢”¿Š¸ 15. ªú ¬¸º£½©¸ ™. ’¸ˆÅ¬¸¸¿”½, ¬¸™¬¡¸ ¬¸¢�¸¨¸(œÏ.), œ¸®¸½¢¨¸¬¸¢Ÿ¸¢÷¸
‰¸. ‚›¡¸ I Ÿ¸í¸£¸«’ï
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II Žî¸ú¬¸Š¸�õ 1. ªú ‚¸£.ˆ½Å. Ÿ¸½í÷¸¸, Ÿ¸º‰¡¸ ‚¢ž¸¡¸¿÷¸¸ (¬¸ú ‡¿” œ¸ú), Žî¸ú£¸¢¨¸œ¸¸£½ˆ¿Å¢¥¸¢Ÿ¸.
2. ªú �¸ú.¬¸ú. Ÿ¸º‰¸�¸úÄ, Ÿ¸º‰¡¸ ‚¢ž¸¡¸¿÷¸¸ (¨¸¸¢μ¸.), Žî¸ú£¸¢¨¸¢¨¸÷¸ˆ¿Å¢¥¸¢Ÿ¸. 3. ªú ”ú.ˆ½Å. �¸¸¨¸”¸, ‚š¸ú®¸μ¸ ‚¢ž¸¡¸¿÷¸¸, Žî¸ú£¸¢¨¸œ¸¸£½ˆ¿Å¢¥¸¢Ÿ¸.
-2-
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ANNEXURES
Annexure-2
Status of implementation in WR on Recommendations of Report on Grid disturbance on 30th and 31st July as on 10.02.2013 No. Time Subject/Description Action taken
Frame 9.1.1 1 Year There is a need to review protection schemes. This
Committee concurs with recommendation of previous enquiry committees that a thorough third partyprotection audit need to be carried out in time boundmanner. This exercise should be repeated periodically and monitored by RPCs.
RPCs, CTU, STUs GETCO: Completed all 400 kV s/s in 2010 through M/s Voltech Engg. MSETCL : Through PRDC completed 80/116 important s/s in Jan-13. Rest will be completed by Feb-13. NTPC : Internal PA completed. Completed at VSTPS through PGCIL. Requested PGCIL to carry out PA at Sipat, Korba, Kawas & Gandhar MPPTCL : PA internal group from SLDC, NHDC, MPPTCL, MPPGCL formed. 3 s/s(Bhopal, Indore & Nagda) completed in Jan-13. Plan for 4 thermal, 3 hydro and 2 400 kV s/s in Feb-13 and other hydel stations and s/s in Mar-13. Regarding third party audit tending work is being taken up. PGCIL : 1 s/s at Bina completed in Aug-2012 by CPRI. A group of protection Engineers from WRLDC, WR-I & WR-II carried out PA at Gwalior in Dec-12, Pirana, Damoh, Satna, Seoni, Bhadravati, raigarh, Vapi, Pune in Jan-13. JP Bina/JPL: PGCIL to carry out PA CSPTCL : Planned for internal PA. Requested to carry out third party PA. Rinfra :10 stations identified for PA through PRDC. Target for completion-30.06.13 NPCIL : Internal PA to be carried out by Feb-13. CGPL: PA carried out on 22/23.01.2013 through revolving group. WRPC : Revolving group formed, PA to be carried out based on requests received. Requests for PA received from NPCIL and CSPTCL.
9.1.2 Immediate Till protection audit is taken up, there is need to take immediate review of zone-3 philosophy in particular. Techniques are available to modify characteristics of the relay so that it can distinguish between load encroachment and faults. These techniques and other alternatives should be explored immediately.
RPCs, CTU, STUs Power Swing MSETCL : All zones blocked for 2 Sec NTPC : All zones blocked for 2 Sec GETCO :zone-3 blocked as per CBIP 274 manual Load Encroachment Approach : Following two approaches are identified. (i) Shaping of Z-3 by distinguishing between load and
line angles wherever the relay supports this feature. (ii) Z-3 adaptive protection by sensing the zero sequence
component wherever the relay supports this feature. In the 116th PCM utilities were requested to judiciously adopt the settings for Z-3 where ever the relay supports these feature.
9.1.3 1 year The application of synchrophasor measurements from PMUs should be explored for protection systems. There is also an urgent need to deploy Special Protection System (SPS) in critical transmission elements. Also there is need to make already approved SPS operational.
RPCs, CTU PMUs under pilot project installed at Raipur, Bhadravati, Jabalpur, Itarsi. PMUs at KSTPS, VSTPS and SSTPS is planned to be installed by WRLDC as discussed in the meeting held on 21.09.12. In Maharashtra 17 PMUs have been installed. URTDSM is being implemented by PGCIL. It is decided to procure 30% of PMU through indigenous sources as agreed in 35th SCM of WR. MSETCL : Location for 50 PMUs have been identified through IIT, Mumbai. To be integrated with URTDSM. CGPL : PMUs is planned to be installed by WRLDC
9.1.4 1 Month A complete independent audit of time synchronization of DRs, ELs and PMUs should be carried out
Generators, CTU, STUs Status of time synchronization awaited from STUs
9.2.1 1 Month Frequency band needs to be further tightened andbrought close to 50 Hz. POSOCO may file an urgency application in Supreme Court for early resolution of the issue in view of the recent grid disturbances.
POSOCO
9.2.2 3 months A review of UI mechanism should be carried out in view of its impact on recent grid disturbances. Frequency control through UI may be phased out in a time bound manner and Generation reserves/Ancillary services may be used for frequency control. Appropriate regulatory mechanism needs to be put in place for this purpose.POSOCO should take up the matter with CERC
POSOCO
9.3 Immediate All STUs should immediately enable under frequency and df/dt based load shedding schemes. Central Commission should explore ways and means for implementation of various regulations issued under theElectricity Act, 2003. Any violation of these regulations can prove to be costly as has been the case this time.RPCs need to take up the matter for compliance. In case non-compliance persists, POSOCO should approach Central Commission.
STUs, RPCs, POSOCO Revised UFR and df/dt scheme implemented by all utilities. In case of WR getting isolated from rest of NEW grid to arrest high frequency operation and unplanned unit tripping few units have been identified for planned tripping at 51.5 Hz.
9.4 3 months All out efforts should be made to implement provisions of IEGC with regard to governor action. Central Commission needs to look into ways and means to hasten implementation of provisions of IEGC including that on governor action. POSOCO need to take up thematter with Central Commission.
POSOCO 191-No. of units eligible for RGMO 73- No. of units confirmed 13- No. of units exemption applied 109- No. of units in various utilities are yet to be made to participate in the RGMO Exemption not granted to any generator by CERC.
9.5.1 1 month POSOCO should take up with Central Commission the issue of inconsistency between Congestion regulation and the detailed procedure framed there under so thatcongestion due to forced outages and UnscheduledInterchange (UI) can be handled effectively
POSOCO
9.5.2 6 months NLDC and each RLDC should have one real-time security desk in all the shifts to be manned by engineer capable of carrying out TTC calculations. To facilitatethis, manpower at NLDC and RLDCs need to beenhanced with regulatory support to take care of financial aspects. Till this arrangement can be firmed up, various scenarios of outages could be built, which then can be used by despatcher in real time. Faster algorithm for calculation of TTC may be adopted by the load despatchers to update it in real time under outage
conditions.
POSOCO
9.6 Immediate Outage planning of inter-State and inter-regionaltransmission elements should be carried out in a coordinated manner at RPC fora (say Operation Co- ordination sub-committee of RPCs) in accordance with regulation 5 of Central Electricity Authority (Grid Standards) Regulation, 2010 and Section 5.7.1 of Indian Electricity Grid Code. In case need for emergency maintenance arises in between two meeting of Operation Co-ordination sub-committee, NLDC and RLDCs should allow such maintenance after carefully looking at prevailing system conditions under intimation to RPC
Secretariat
RPCs Already discussed and agreed in OCC of WRPC. 1. Interstate lines are coordinated by RPC/RLDC in monthly OCCs 2. Interregional lines are coordinated by NLDC in consultation with RPCs/RLDCs This is implemented and being regularly monitored in OCCs of WRPC.
9.7 6 months In order to avoid frequent outages/opening of lines under over voltages and also providing voltage support under steady state and dynamic conditions, installation of adequate static and dynamic reactive power compensators should be planned.
CEA, CTU, STUs 10+17 reactors in various locations planned in WR and under various stages of implementation by PGCIL/GETCO/MSETCL. In 35th SCM, SATCOM which is modern technique for compensation of reactive power approved at six locations in WR.
9.8 6 months The powers of Load Despatch Centres and Regulatory Commissions related to non-compliance of statutory/regulatory provisions including that for non- compliance of directions and non-payment of UI charges, need review. Appropriate amendments need to be carried out in the Electricity Act, 2003 after such review.
Ministry of Power, Govt. of India
9.9.1 Immediate The regulatory provisions regarding absorption of reactive power by generating units needs to be implemented
POSOCO
9.9.2 6 months An audit of devices such as HVDC, TCSC, SVC andPSS should be done immediately to ensure that their stability features are enabled. Further, exercise of PSStuning should be planned and implemented. Settings of these dynamic stabilizing devices should be reviewed at appropriate intervals
CTU, STUs, Generators 23 generators PSS tuning completed. Telemetry data from TCSC/FSC not available to RLDC.
9.9.3 Immediate Functioning of existing PMUs and availability of theiroutput to RLDCs and accuracy of time synchronization should be monitored on daily basis and, if required, corrective actions should be taken on priority basis
CTU, POSOCO All PMUs are working. Time synchronization issue.
9.10.1 1 year The synchrophasor based WAMS employing PMUs offer a wide applications for real time monitoring andcontrol of the system, specially under the dynamic conditions. Adequate number of PMUs should be installed to improve the visibility and real time monitoring of the system. Further the applications related to the synchrophasor based wide area monitoring, protection and control should be embedded in the system
CTU PMUs on pilot project installed at Raipur, Bhadravati,Jabalpur, Itarsi. PMUs at KSTPS, VSTPS and SSTPS is planned to be installed by WRLDC as discussed in the meeting held on 21.09.12 to discuss occurrence at Sipat on 14.09.12. URTDSM is being implemented by CEA.
9.10.2 1 year Possibility of voltage collapse prediction, sensing global power system conditions derived from local measurements may be explored
RPCs A-eberle Relay installed at 400 kV Boisar (PG) s/s. In 110th PCM proposed at Jetpur, Bhilai, Aurangabad, Indore and Ponda s/s
9.11 6 months In order to assess the system security in real time andassess the vulnerability condition of the system, dynamic security assessment need to be periodically carried out at the control centers. A proper review and upgradation of the state estimation procedure is required to improve the visibility and situational awareness of the system
POSOCO
9.12 Efforts should be made to design islanding scheme based on frequency sensing relays so that in case of imminent grid failure, electrical islands can be formed. These electrical islands can not only help in maintaining supply to essential services but would also help in fasterrestoration of grid
CEA, RPCs, POWERGRID, STUs, SLDCs and Generators 1.Mumbai, Ahmedabad , GTPS uran islanding schemes functional at present 2. Scheme for Bhopal city/ Bina Traction/JP Bina Power stn is under development. 3. All CPPs are planned for islanding at a lower frequency
than 48.8 hz i.e. final stage of UFR setting so that these stations are available for startup power.
4. APL-SPS, LANCO-SPS is already there. SPS for Agra-Gwalior, Zerda-Kankroli, Badod-Modak is planned. Units to be backed down in WR have been identified.
9.13.1 1 year As National Grid is on the horizon, homogenization of Govt. of India, State Govts system operation philosophy is need of the hour. The
present organizational set up of Load Despatch Centres need to be reviewed. System operation needs to be entrusted to Independent System Operator (ISO). In addition, SLDCs should be reinforced and ring fenced for ensuring functional autonomy 9.13.2 3 months Training and certification of system operators need to be Govt. of India, State Govts
given focused attention. Sufficient financial incentives need to be given to certified system operators so that system operation gets recognized as specialized activity 9.14 2 years Intra-State transmission system needs to be planned and
strengthened in a better way to avoid problems of frequent congestion
STUs
9.15.1 6 months Appropriate amendments should be carried out in Grid CEA Connectivity Standards to restrain connectivity of a generating station or a transmission element without required communication and telemetry facilities. 9.15.2 1 year
The Communication network should be strengthened by putting fibre optic communication system. Further, theCommunication network should be maintained properly to ensure reliability of data at Load Despatch Cenres
CTU and STUs Approvals by WRPC
• Addl. 2672 Kms of OPGW, 14kms of OFC along with wideband communication equipment of adequate capacity for setting up of back-up SLDC at Govindpura, Bhopal, connectivity of Sub-LDC Gandhinagar and Sub-LDC Jetpur to SLDC Vadodara (Gotri) on OFC with suitable end equipments.
• Existing communication equipments (SDH 37nos. & PDH 72nos.) to be replaced at the cost of 3.89 crores
• Installation of PABX System at SLDCs of Western Regions, WRLDC and NLDC
9.15.3 3 months RTUs and communication equipments should have CTU and STUs uninterrupted power supply with proper battery backup so that in case of total power failure, supervisory control and data acquisition channels do not fail 9.15.4 6 months In case of existing generating stations or transmission RPCs, POSOCO
elements without telemetry facility, the same should be New stations are mandated for data transmission through put in place at the earliest. If prolonged operation telemetry before commissioning. without telemetry continues, POSOCO should approach Central Commission
9.16 1 year Large variations are observed in time taken for initiation of unit start up (Boiler light up) by the stations afteravailability of start-up power and also for start ups/light up of subsequent units. While subsequent start-ups were very fast (10-20 minutes) in some of the units, in other cases they took considerably longer time – several hours. Reasons for the delays in attempting first start-up andsubsequent start-ups may be examined by the utilities in consultation with CEA. A standard procedure for preparatory activities and sequence of start up may beput in place by the stations to restore units as early aspossible particularly in contingencies.
CEA, Generating Utilities and RLDCs
9.17 3 months At inter-State level, the entire landscape has changed CEA over past few years. With de-licensing of generation and provision of open access in Electricity Act, 2003 and development of organized electricity markets, lot of generation is coming in the form of merchant generation. Four out of the five regions have been integrated and formation of National Grid is on the horizon. Under such scenario, there is need review the Transmission Planning criteria. 9.18 1 year There is need to reinforce system study groups in power
sector organisations to analyse the system behaviour under different network status/ tripping of lines/outageof generators. Where these do not exist, these should be created
CEA, CTU and STU
9.19 1 month It was felt that a separate task force may be formed,involving experts from academics, power utilities and system operators, to carry out a detailed analysis of the present grid conditions and anticipated scenarios which might lead to any such disturbances in future. The committee may identify medium and long term corrective measures as well as technological solutions to improve the health of the grid
MOP, CEA
9.20 1 year For smooth operation of grid systems, it is absolutelyimportant that all the power generating and distributing stations are connected on a very reliable telecom network. (i) A proper network may be built up preferably using MPLS(multy protocol label switching) which is simple, cost effective and reliable. In remote place where connectivity is a problem, the stations can use dedicated fibre cable from the nearest node (ii) Since POWERGRID has its own fibre optic cables, practically covering all major nodes and power stations, a proper communication/IT network may be built using dedicated fibres to avoid any cyber attach on the power system.
CTUs, STUs
Sr.No. PARTICULARS Oct-12 Nov-12 Dec-12 Jan-13
1 MAXIMUM FREQUENCY (Hz)
1.1 Integrated over an hour 50.23 50.34 50.44 50.63
1.2 Instantaneous 50.61 50.63 50.63 50.78
2 MINIMUM FREQUENCY (Hz)
2.1 Integrated over an hour 49.72 49.74 49.64 49.60
2.2 Instantaneous 49.37 49.33 49.25 49.30
3 AVERAGE FREQUENCY (Hz) 49.98 50.02 50.00 50.01
4.1 48.6 Hz 0 0 0 0
4.2 48.8 Hz 0 0 0 0
4.3 51.0 Hz 0 0 0 0
5.1 Above 50.2 Hz 6.28 12.38 11.51 14.42
5.2 Between 50.2 Hz & 49.7 Hz 90.39 85.83 84.10 80.95
5.3 Below 49.7 Hz 3.33 1.79 4.39 4.63
OCTOBER 2012 AND JANUARY 2013
Annexure-5.1(a)FREQUENCY PARTICULARS OF WESTERN REGION FOR THE PERIOD
4
NUMBER OF TIMES FREQUENCY TOUCHED
5
PERCENTAGE TIME WHEN FREQUENCY WAS
Oct-12 Nov-12 Dec-12 Jan-13 Oct-12 Nov-12 Dec-12 Jan-13 Oct-12 Nov-12 Dec-12 Jan-13 Oct-12 Nov-12 Dec-12 Jan-13
Availability (MW) 3001 2828 2764 2968 12348 11566 11295 11158 9013 9692 8845 8821 16833 16818 16985 16363
Unrestricted demand (MW) 3112 2938 2979 3045 12387 11582 11375 11301 9131 10307 10137 9540 17552 17611 17707 16916
Deficit(-)/Surplus(+) in MW -111 -110 -215 -77 -39 -16 -80 -143 -118 -615 -1292 -719 -719 -793 -722 -553
Deficit(-)/Surplus(+) in % -3.57 -3.74 -7.22 -2.53 -0.31 -0.14 -0.70 -1.27 -1.29 -5.97 -12.75 -7.54 -4.10 -4.50 -4.08 -3.27
Oct-11 Nov-11 Dec-11 Jan-12 Oct-11 Nov-11 Dec-11 Jan-12 Oct-11 Nov-11 Dec-11 Jan-12 Oct-11 Nov-11 Dec-11 Jan-12Availability (MW) 2992 2849 2870 2706 11209 10771 10563 10164 8008 7610 7605 7589 16085 15492 16277 15782
Unrestricted demand (MW) 3179 2943 2967 2781 11401 10929 10721 10346 9316 9031 9080 9099 21048 21420 21580 19966
Deficit(-)/Surplus(+) in MW -187 -94 -97 -75 -192 -158 -158 -182 -1308 -1421 -1475 -1510 -4963 -5928 -5303 -4184
Deficit(-)/Surplus(+) in % -5.88 -3.19 -3.27 -2.70 -1.68 -1.45 -1.47 -1.76 -14.04 -15.73 -16.24 -16.60 -23.58 -27.68 -24.57 -20.96
Oct-12 Nov-12 Dec-12 Jan-13 Oct-12 Nov-12 Dec-12 Jan-13 Oct-12 Nov-12 Dec-12 Jan-13 Oct-12 Nov-12 Dec-12 Jan-13
Availability (MW) 389 395 434 395 267 257 250 266 605 594 669 601 40890 38904 38902 38714
Unrestricted demand (MW) 438 449 491 451 294 282 275 275 616 607 709 643 41479 40302 41131 41026
Deficit(-)/Surplus(+) in MW -49 -54 -57 -56 -27 -25 -25 -9 -11 -13 -40 -42 -589 -1398 -2229 -2312
Deficit(-)/Surplus(+) in % -11.19 -12.03 -11.61 -12.42 -9.18 -8.87 -9.09 -3.27 -1.79 -2.14 -5.64 -6.53 -1.42 -3.47 -5.42 -5.64
Oct-11 Nov-11 Dec-11 Jan-12 Oct-11 Nov-11 Dec-11 Jan-12 Oct-11 Nov-11 Dec-11 Jan-12 Oct-11 Nov-11 Dec-11 Jan-12Availability (MW) 380 467 406 424 261 249 254 253 568 568 578 572 37374 36639 36261 35561
Unrestricted demand (MW) 380 490 464 499 268 253 283 279 593 593 578 572 43409 43839 43737 41753
Deficit(-)/Surplus(+) in MW 0 -23 -58 -75 -7 -4 -29 -26 -25 -25 0 0 -6035 -7200 -7476 -6192
Deficit(-)/Surplus(+) in % 0.00 -4.69 -12.50 -15.03 -2.61 -1.58 -10.25 -9.32 -4.22 -4.22 0.00 0.00 -13.90 -16.42 -17.09 -14.83
Annexure -5.1(b)(1/2)
Goa Daman & Diu Dadra & Nagar Haveli Western Region
POWER SUPPLY POSITION IN WR FOR PERIOD FROM OCTOBER 2012 TO JANUARY 2013 (IN MW)
Details
POWER SUPPLY POSITION IN WR FOR PERIOD FROM OCTOBER 2011 AND JANUARY 2012 (IN MW)
Details
Details
Chhatisgarh Gujarat Madhya Pradesh Maharashtra
Details
Chhatisgarh Madhya Pradesh Maharashtra
Daman & Diu Dadra & Nagar Haveli
Gujarat
POWER SUPPLY POSITION IN WR FOR PERIOD FROM OCTOBER 2012 TO JANUARY 2013 (IN MW)
POWER SUPPLY POSITION IN WR FOR PERIOD FROM OCTOBER 2011 AND JANUARY 2012 (IN MW)
Western RegionGoa
Oct-12 Nov-12 Dec-12 Jan-13 Oct-12 Nov-12 Dec-12 Jan-13 Oct-12 Nov-12 Dec-12 Jan-13 Oct-12 Nov-12 Dec-12 Jan-13
Availability (MUs) 1545.0 1313.0 1446.0 1523.0 9107.5 7906.0 8420.0 8623.0 3894.0 4493.0 4763.0 4378.0 10439.0 9832.0 10225.0 9786.0
Unrestricted Requirement (MUs) 1556.8 1320.6 1480.0 1555.0 9108.2 7906.6 8420.2 8625.0 4275.4 5350.0 5557.0 5593.0 10735.3 10099.0 10493.0 10044.0
Deficit(-)/Surplus(+) in MUs -11.8 -7.6 -34.0 -32.0 -0.7 -0.6 -0.2 -2.0 -381.4 -857.0 -794.0 -1215.0 -296.3 -267.0 -268.0 -258.0
Deficit(-)/Surplus(+) in % -0.8 -0.6 -2.3 -2.1 0.0 0.0 0.0 0.0 -8.9 -16.0 -14.3 -21.7 -2.8 -2.6 -2.6 -2.6
Oct-11 Nov-11 Dec-11 Jan-12 Oct-11 Nov-11 Dec-11 Jan-12 Oct-11 Nov-11 Dec-11 Jan-12 Oct-11 Nov-11 Dec-11 Jan-12Availability (MUs) 1456.9 1211.3 1335.0 1297.0 7051.5 6863.3 6896.0 6624.0 3562.8 4329.7 4838.2 4621.0 10068.9 10319.7 11537.2 11593.0
Unrestricted Requirement (MUs) 1520.0 1262.4 1401.1 1322.0 7102.7 6895.8 6923.4 6640.0 4454.9 5414.1 6054.7 5513.0 12571.7 13249.1 14469.9 13888.0
Deficit(-)/Surplus(+) : in MUs -63.1 -51.1 -66.2 -25.0 -51.2 -32.5 -27.4 -16.0 -892.1 -1084.4 -1216.5 -892.0 -2502.8 -2929.4 -2932.7 -2295.0
Deficit(-)/Surplus(+) : in % -4.1 -4.0 -4.7 -1.9 -0.7 -0.5 -0.4 -0.2 -20.0 -20.0 -20.1 -16.2 -19.9 -22.1 -20.3 -16.5
Details
Oct-12 Nov-12 Dec-12 Jan-13 Oct-12 Nov-12 Dec-12 Jan-13 Oct-12 Nov-12 Dec-12 Jan-13 Oct-12 Nov-12 Dec-12 Jan-13
Availability (MUs) 229.1 229.0 246.0 211.0 144.1 131.0 147.0 121.0 335.7 319.0 349.0 286.0 25694.4 24223.0 25596.0 24928.0
Unrestricted Requirement (MUs) 234.5 233.8 250.8 215.0 162.1 149.0 165.0 141.0 337.3 319.2 349.1 292.5 26409.6 25377.3 26789.0 26439.0
Deficit(-)/Surplus(+) : in MUs -5.4 -4.8 -4.8 -4.0 -18.0 -18.0 -18.0 -20.0 -1.6 -0.1 -0.1 -6.5 -715.2 -1154.3 -1193.0 -1511.0
Deficit(-)/Surplus(+) : in % -2.3 -2.0 -1.9 -1.9 -11.1 -12.1 -10.9 -14.2 -0.5 0.0 0.0 -2.2 -2.7 -4.5 -4.5 -5.7
Oct-11 Nov-11 Dec-11 Jan-12 Oct-11 Nov-11 Dec-11 Jan-12 Oct-11 Nov-11 Dec-11 Jan-12 Oct-11 Nov-11 Dec-11 Jan-12Availability (MUs) 220.1 238.6 267.7 276.1 131.6 143.8 175.6 191.0 306.8 336.5 414.6 460.0 22798.6 23442.9 25464.2 22649.0
Unrestricted demand (MUs) 223.6 241.7 274.9 284.9 151.4 162.6 195.0 210.0 315.4 343.2 416.9 461.0 26339.6 27568.9 29736.0 25905.0
Deficit(-)/Surplus(+) : in MUs -3.5 -3.1 -7.2 -8.8 -19.7 -18.8 -19.5 -19.0 -8.6 -6.7 -2.4 -1.0 -3540.9 -4126.0 -4271.8 -3256.0
Deficit(-)/Surplus(+) : in % -1.6 -1.3 -2.6 -3.1 -13.0 -11.5 -10.0 -9.0 -2.7 -2.0 -0.6 -0.2 -13.4 -15.0 -14.4 -12.6
POWER SUPPLY POSITION IN WR FOR PERIOD FROM OCTOBER 2011 TO JANUARY 2012 (IN MUs)
POWER SUPPLY POSITION IN WR FOR PERIOD FROM OCTOBER 2012 TO JANUARY 2013 (IN MUs)
POWER SUPPLY POSITION IN WR FOR PERIOD FROM OCTOBER 2011 TO JANUARY 2012 (IN MUs)
Dadra & Nagar Haveli Western Region
Madhya Pradesh Maharashtra
Daman & Diu
Details
Details
Goa Daman & Diu
Dadra & Nagar Haveli Western Region
POWER SUPPLY POSITION IN WR FOR PERIOD FROM OCTOBER 2012 TO JANUARY 2013 (IN MUs)
MaharashtraMadhya PradeshGujaratChhatisgarh
Goa
Details Chhatisgarh Gujarat
Annexure -5.1(b)(2/2)
400 kV S/SMonth Max Min Max Min Max Min Max Min Max Min Max Min Max Min
Oct-12 427 392 426 394 435 406 436 398 419 399 425 402 430 414
Nov-12 424 393 425 396 434 404 436 392 422 400 422 407 432 414
Dec-12 442 392 426 392 436 393 438 390 430 399 421 406 430 405
Jan-13 428 392 427 396 432 397 438 396 421 401 422 400 434 400
400 kV S/SMonth Max Min Max Min Max Min Max Min Max Min Max Min Max Min
Oct-12 424 387 425 393 431 400 428 390 433 394 775 751 805 747
Nov-12 422 401 427 395 430 398 428 390 432 396 780 735 805 744
Dec-12 425 403 428 396 431 395 427 392 435 394 763 741 806 747
Jan-13 433 409 429 399 436 391 429 394 433 394 767 740 803 749
Sipat (765 kV) Seoni (765 kV)Jetpur Bina Gwalior Nagda Khandwa
Annexure- 5.2
BhilaiIndore Itarsi Karad Dhule
Voltages at the important 400 and 765 kV substations during the period OCTOBER 2012 AND JANUARY 2012
Asoj Kasor
No. of Occasions
Max Load Relief at 48.8 Hz
No. of Occasions
Max Load Relief at 48.8 Hz
No. of Occasions
Max Load Relief at 48.8 Hz
No. of Occasions
Max Load Relief at 48.8 Hz
1 01-Oct-12 0 0 0 0 0 0 0 02 02-Oct-12 0 0 0 0 0 0 0 03 03-Oct-12 0 0 0 0 0 0 0 04 04-Oct-12 0 0 0 0 0 0 0 05 05-Oct-12 0 0 0 0 0 0 0 06 06-Oct-12 0 0 0 0 0 0 0 07 07-Oct-12 0 0 0 0 0 0 0 08 08-Oct-12 0 0 0 0 0 0 0 09 09-Oct-12 0 0 0 0 0 0 0 0
10 10-Oct-12 0 0 0 0 0 0 0 011 11-Oct-1212 12-Oct-12 0 0 0 0 0 0 0 013 13-Oct-12 0 0 0 0 0 0 0 014 14-Oct-12 0 0 0 0 0 0 0 015 15-Oct-12 0 0 0 0 0 0 0 016 16-Oct-12 0 0 0 0 0 0 0 017 17-Oct-12 0 0 0 0 0 0 0 018 18-Oct-12 0 0 0 0 0 0 0 019 19-Oct-12 0 0 0 0 0 0 0 020 20-Oct-12 0 0 0 0 0 0 0 021 21-Oct-12 0 0 0 0 0 0 0 022 22-Oct-12 0 0 0 0 0 0 0 023 23-Oct-12 0 0 0 0 0 0 0 024 24-Oct-12 0 0 0 0 0 0 0 025 25-Oct-12 0 0 0 0 0 0 0 026 26-Oct-12 0 0 0 0 0 0 0 027 27-Oct-12 0 0 0 0 0 0 0 028 28-Oct-12 0 0 0 0 0 0 0 029 29-Oct-12 0 0 0 0 0 0 0 030 30-Oct-12 0 0 0 0 0 0 0 031 31-Oct-12 0 0 0 0 0 0 0 0
Max 0 0 0 0 0 0 0 0Total 0 0 0 0
220 38 152 550
NIL
Recommonded Load relief at 48.8 Hz / 48.6 Hz
NIL NIL NIL
Sl. No Date Gujarat Chhattisgarh Madhya Pradesh Maharashtra
ANNEX -5.3(1/4)Under Frequency Operation in various Constituent System of Western Region during the month October 2012
( Compiled from the data received from the constituents)
No. of Occasions
Max Load Relief at 48.8 Hz
No. of Occasions
Max Load Relief at 48.8 Hz
No. of Occasions
Max Load Relief at 48.8 Hz
No. of Occasions
Max Load Relief at 48.8 Hz
1 01-Nov-12 0 0 0 0 0 0 0 02 02-Nov-12 0 0 0 0 0 0 0 03 03-Nov-12 0 0 0 0 0 0 0 04 04-Nov-12 0 0 0 0 0 0 0 05 05-Nov-12 0 0 0 0 0 0 0 06 06-Nov-12 0 0 0 0 0 0 0 07 07-Nov-12 0 0 0 0 0 0 0 08 08-Nov-12 0 0 0 0 0 0 0 09 09-Nov-12 0 0 0 0 0 0 0 0
10 10-Nov-12 0 0 0 0 0 0 0 011 11-Nov-1212 12-Nov-12 0 0 0 0 0 0 0 013 13-Nov-12 0 0 0 0 0 0 0 014 14-Nov-12 0 0 0 0 0 0 0 015 15-Nov-12 0 0 0 0 0 0 0 016 16-Nov-12 0 0 0 0 0 0 0 017 17-Nov-12 0 0 0 0 0 0 0 018 18-Nov-12 0 0 0 0 0 0 0 019 19-Nov-12 0 0 0 0 0 0 0 020 20-Nov-12 0 0 0 0 0 0 0 021 21-Nov-12 0 0 0 0 0 0 0 022 22-Nov-12 0 0 0 0 0 0 0 023 23-Nov-12 0 0 0 0 0 0 0 024 24-Nov-12 0 0 0 0 0 0 0 025 25-Nov-12 0 0 0 0 0 0 0 026 26-Nov-12 0 0 0 0 0 0 0 027 27-Nov-12 0 0 0 0 0 0 0 028 28-Nov-12 0 0 0 0 0 0 0 029 29-Nov-12 0 0 0 0 0 0 0 030 30-Nov-12 0 0 0 0 0 0 0 0
Max 0 0 0 0 0 0 0 0Total 0 0 0 0
220 38 152 550
NIL NIL NIL NIL
Madhya Pradesh Maharashtra
Recommonded Load relief at 48.8 Hz / 48.6 Hz
ANNEX -5.3(2/4)Under Frequency Operation in various Constituent System of Western Region during the month November 2012
( Compiled from the data received from the constituents)ChhattisgarhSl. No Date Gujarat
No. of Occasions
Max Load Relief at 48.8 Hz
No. of Occasions
Max Load Relief at 48.8 Hz
No. of Occasions
Max Load Relief at 48.8 Hz
No. of Occasions
Max Load Relief at 48.8 Hz
1 01-Dec-12 0 0 0 0 0 0 0 02 02-Dec-12 0 0 0 0 0 0 0 03 03-Dec-12 0 0 0 0 0 0 0 04 04-Dec-12 0 0 0 0 0 0 0 05 05-Dec-12 0 0 0 0 0 0 0 06 06-Dec-12 0 0 0 0 0 0 0 07 07-Dec-12 0 0 0 0 0 0 0 08 08-Dec-12 0 0 0 0 0 0 0 09 09-Dec-12 0 0 0 0 0 0 0 0
10 10-Dec-12 0 0 0 0 0 0 0 011 11-Dec-12 0 0 0 0 0 0 0 012 12-Dec-12 0 0 0 0 0 0 0 013 13-Dec-12 1 4.51 0 0 0 0 0 014 14-Dec-12 0 0 0 0 0 0 0 015 15-Dec-12 0 0 0 0 0 0 0 016 16-Dec-12 0 017 17-Dec-12 0 0 0 0 0 0 0 018 18-Dec-12 0 0 0 0 0 0 0 019 19-Dec-12 0 0 0 0 0 0 0 020 20-Dec-12 0 0 0 0 0 0 0 021 21-Dec-12 0 0 0 0 0 0 0 022 22-Dec-12 0 0 0 0 0 0 0 023 23-Dec-12 5 65.1 0 0 0 0 0 024 24-Dec-12 0 0 0 0 0 0 0 025 25-Dec-12 0 0 0 0 0 0 0 026 26-Dec-12 0 0 0 0 0 0 0 027 27-Dec-12 0 0 0 0 0 0 0 028 28-Dec-12 0 0 0 0 0 0 0 029 29-Dec-12 0 0 0 0 0 0 0 030 30-Dec-12 0 0 0 0 0 0 0 031 31-Dec-12 0 0 0 0 0 0 0 0
Max 5 65.1 0 0 0 0 0 0Total 6 69.61 0 0 0 0 0 0
220 38 152 550
Chhattisgarh Madhya Pradesh Maharashtra
ANNEX -5.3(3/4)
( Compiled from the data received from the constituents)DateSl. No Gujarat
Recommonded Load relief at 48.8 Hz / 48.6 Hz
Under Frequency Operation in various Constituent System of Western Region during the month DECEMBER 2012
NIL NIL NIL
No. of Occasions
Max Load Relief at 48.8 Hz
No. of Occasions
Max Load Relief at 48.8 Hz
No. of Occasions
Max Load Relief at 48.8 Hz
No. of Occasions
Max Load Relief at 48.8 Hz
1 01-Jan-13 0 0 0 0 0 0 0 02 02-Jan-13 0 0 0 0 0 0 0 03 03-Jan-13 0 0 0 0 0 0 0 04 04-Jan-13 0 0 0 0 0 0 0 05 05-Jan-13 0 0 0 0 0 0 0 06 06-Jan-13 0 0 0 0 0 0 0 07 07-Jan-13 0 0 0 0 0 0 0 08 08-Jan-13 0 0 0 0 0 0 0 09 09-Jan-13 0 0 0 0 0 0 0 0
10 10-Jan-13 0 0 0 0 0 0 0 011 11-Jan-13 0 0 0 0 0 0 0 012 12-Jan-13 0 0 0 0 0 0 0 013 13-Jan-13 0 0 0 0 0 0 0 014 14-Jan-13 0 0 0 0 0 0 0 015 15-Jan-13 0 0 0 0 0 0 0 016 16-Jan-1317 17-Jan-13 0 0 0 0 0 0 0 018 18-Jan-13 0 0 0 0 0 0 0 019 19-Jan-13 0 0 0 0 0 0 0 020 20-Jan-13 0 0 0 0 0 0 0 021 21-Jan-13 0 0 0 0 0 0 0 022 22-Jan-13 0 0 0 0 0 0 0 023 23-Jan-13 0 0 0 0 0 0 0 024 24-Jan-13 0 0 0 0 0 0 0 025 25-Jan-13 0 0 0 0 0 0 0 026 26-Jan-13 0 0 0 0 0 0 0 027 27-Jan-13 0 0 0 0 0 0 0 028 28-Jan-13 0 0 0 0 0 0 0 029 29-Jan-13 0 0 0 0 0 0 0 030 30-Jan-13 0 0 0 0 0 0 0 031 31-Jan-13 0 0 0 0 0 0 0 0
Max 0 0 0 0 0 0 0 0Total 0 0 0 0 0 0 0 0
220 38 152 550Recommonded Load relief at 48.8 Hz / 48.6 Hz
Under Frequency Operation in various Constituent System of Western Region during the month JANUARY 2013
NIL NIL NILNIL
( Compiled from the data received from the constituents)DateSl. No Gujarat Chhattisgarh Madhya Pradesh Maharashtra
ANNEX -5.3(4/4)
Details Mar-13 Apr-13 May-13 Mar-13 Apr-13 May-13 Mar-13 Apr-13 May-13 Mar-13 Apr-13 May-13
Unrestricted demand (MW) 3240 3225 3290 11350 11250 11800 8590 8760 8860 18540 18600 18970
Availability (MW) 3160 3156 3165 11180 11125 11540 7750 7920 7980 17465 17250 17654
Deficit(-)/Surplus(+)(i) MW -80 -69 -125 -170 -125 -260 -840 -840 -880 -1075 -1350 -1316
( ii) % -2.53 -2.19 -3.95 -1.52 -1.12 -2.25 -10.84 -10.61 -11.03 -6.16 -7.83 -7.45
Details Mar-13 Apr-13 May-13 Mar-13 Apr-13 May-13 Mar-13 Apr-13 May-13 Mar-13 Apr-13 May-13
Unrestricted demand (MW) 465 450 480 325 320 335 635 625 645 42800 42750 43200
Availability (MW) 435 420 440 305 302 310 612 605 615 39950 39810 40250
Deficit(-)/Surplus(+)(i) MW -30 -30 -40 -20 -18 -25 -23 -20 -30 -2850 -2940 -2950
(ii) % -6.90 -7.14 -9.09 -6.56 -5.96 -8.06 -3.72 -3.31 -4.88 -7.13 -7.39 -7.33
Details Mar-13 Apr-13 May-13 Mar-13 Apr-13 May-13 Mar-13 Apr-13 May-13 Mar-13 Apr-13 May-13
Unrestricted Requirement (MUs) 1750 1730 1845 7150 7250 7380 6120 6050 6350 10950 10850 11200
Availability (MUs) 1690 1685 1785 6910 6950 7050 5780 5730 5860 10240 10300 10510
Deficit(-)/Surplus(+)(i) MUs -60 -45 -60 -240 -300 -330 -340 -320 -490 -710 -550 -690
(ii) % -3.55 -2.67 -3.36 -3.47 -4.32 -4.68 -5.88 -5.58 -8.36 -6.93 -5.34 -6.57
Details Mar-13 Apr-13 May-13 Mar-13 Apr-13 May-13 Mar-13 Apr-13 May-13 Mar-13 Apr-13 May-13
Unrestricted Requirement (MUs) 310 300 305 215 210 220 430 425 440 28200 27950 28850
Availability (MUs) 285 280 285 205 198 208 405 410 420 26705 26500 27150
Deficit(-)/Surplus(+)(i) MUs -25 -20 -20 -10 -12 -12 -25 -15 -20 -1495 -1450 -1700
(ii) % -8.77 -7.14 -7.02 -4.88 -6.00 -5.77 -6.17 -3.66 -4.76 -5.60 -5.47 -6.26
Gujarat
Gujarat Maharashtra
Chhatisgarh
Western RegionGoa Daman & Diu Dadra & Nagar Haveli
Chhatisgarh Madhya Pradesh
Goa Daman & Diu Dadra & Nagar Haveli
Annexure-6ANTICIPATED POWER SCENARIO IN WR FOR PERIOD FROM MARCH 2013 TO MAY 2013 (IN MW)
Madhya Pradesh Maharashtra
Western Region
ANTICIPATED POWER SCENARIO IN WR FOR PERIOD FROM MARCH 2013 TO APRIL 2013 (IN MUs)
(A) Transmission Schemes associated with State Generating Stations
1 Utran CCPP (2009-10) (374 MW) Nov 091.1 220kV Navsari-Talangpore S/C line LILO to Utran - - - - - - Yet to be awarded.
1.2 220kV D/C Kosamba-Mobha line 178.20 300 293 284 143.21 March/13 Work in progress.
1.3 220kV D/C Gavasad-Salejada line with AL-59 cond. 194.00 313 19 - - January/14 LOI for risk purchase tender placed on 17.01.13
2 Sikka Unit 3&4 (2x250 MW) C.O.D.- Dec'122.1 220kV D/C Sikka-Moti Paneli line with AL-59 cond. 156.00 248 19 - - January/14 LOI for risk purchase tender placed on
17.01.132.2 LILO to Sikka from 220kV Jamnagar-Jetpur ckt. 1 116 178 - - - Awarded.
2.3 LILO to Sikka from 220kV Jamnagar-Jetpur ckt. 2 120 187 - - - Yet to be awarded.
3 Ukai Extension (2010-11) (500 MW) C.O. D.- Oct-123.1 400kV D/C Ukai-Kosamba line 144 215 209 192 100.10 Mar-13 Work in progress.
3.2 400 kV D/C Kosamba-Chorania line (Package I)(From Chorania S/S to AP-54)
222.4 308 276 245 120.13 Sep-13 Work in progress.
3.3 400 kV D/C Kosamba-Chorania line (Package II)(From Kosamba S/S to AP-54)
234.6 328 311 282 103.37 Sep-13 Work in progress.
4 Dhuvaran CCPP-III (360 MW) July'13
4.1 LILO of 220kV Kasor-Vartej(Botad) S/C at Dhuvaran CCPPIII
82.00 148 32 14 - March/13 WIP
4.2 LILO of 220kV Karamsad-Vartej S/C at Dhuvaran CCPP-III 78.00 143 95 54 - February/13 WIP
Annexure-23(1/3)Status of Ongoing Transmission Progress in Gujarat (January -13)
Sr. No. Name of Transmission lineLength in Ckt
Km
Total Location
Present Status as on 01.02.13
Stringing completed
Remark Stub setting
complete
Tower erected
Anticipated completion
Target
(B) Transmission Schemes associated with IPP 5 Adani Power, Mundra (Bid-II)(2011-12) (1000 MW)
Feb'125.1 400 kV D/C Mundra-Zerda line No. 1 664.00 901 272 162 - Jun-13 Package-I-Work in progress.
Package-II-Work in progress. Package-III-Work in progress.
5.2 400 kV D/C Mundra-Zerda line No. 2 664.00 954 808 745 412.04 Mar-13 Work in Progress. ROW Problem.6 Essar Power, Vadinar (Bid-3) (2011-12)(1000 MW) Aug
'116.1 400 kV D/C Vadinar-Amreli line 356.01 531 390 291 116.85 Jul-13 Work in progress
7 GSPC Pipavav Power Co. Ltd.(2010-11) (2x350 MW) Mar'12
7.1 220 kV D/C GPPCL-Dhokadva line 100.00 154 104 94 7.76 Jun-13 Work in progress.Severe ROW problems.
7.2 LILO to GPPCL from 220 kV Savarkundla-Otha Ckt. No. 2 82.60 133 133 133 80.83 Jul-12 21.07.2012
7.3 220 kV D/C Otha-Sagapara line 95.60 163 157 144 46.00 Mar-13 Work in progress.Severe ROW problem
8 GSEG Extension Phase-I (350 MW) Nov'118.1 220 kV D/C GSEG-Mota line 111.06 182 96 66 1.14 Jun-13 Work in progress
9 Bhavnagar Energy Co. Ltd.(BECL)(2011-12) (2x300 MW),Feb-2013 -May 2013
9.1 220 kV D/C BECL-Botad line 188.52 292 58 - - Jun-13 WIP9.2 220 kV D/C BECL-Sagapara line 82.40 135 56 33 - May-13 WIP9.3 LILO of 220kV Savarkundla-Vartej at BECL 56.20 97 89 80 15.80 Mar-13 WIP
Sr. No. Name of Transmission lineLength in Ckt
Km Stringing completed
Present Status as on 01.02.13Annexure-23(2/3)
Total Location Remark Stub
setting complete
Tower erected
Anticipated completion
Target
Annexure-23(3/3)
(C) Transmission Schemes associated with PGCIL Substation
1 LILO OF 220 kV to Bhachau from Morbi -Halvad ckt.no.1 216.46 313 313 313 216.46 May-12 Line commissioned on 17.05.12
2 LILO OF 220 kV to Bhachau from Morbi -Halvad ckt.no.2 216.88 333 333 333 216.88 May-12 Line commissioned on 16.05.12
(D) Transmission Schemes through IPTC route NIL
(E) Intrastate transmission schemes1 400kV Mundra-Hadala LILO to Halvad 89.40 124 85 37 - Mar-13 Work in progress.
2 400 kV D/C Amreli-Kasor line(Part-1) (Amreli Gantry to AP-28)
160.95 214 96 28 - Jun-13 Work in progress.
3 400 kV D/C Amreli-Kasor line(Part-2) (AP-28 to AP-44) 164.34 218 85 - - Jun-13 Work in progress.
4 400 kV D/C Amreli-Kasor line(Part-3) (AP-44 to Kasor Gantry)
145.26 194 91 56 - Jun-13 Work in progress.
5 220kV D/C Hadala - Halved line. 168.00 271 271 271 169.66 Oct-12 Line commissioned on 08.11.126 220 kV D/C Nakhatrana-Varsana line with AL-59 Cond. 213.76 352 334 327 179.17 Mar-13 Work in progress.
7 220 kV LILO at Kukma s/s from one ckt. Of Shivlakha-Nanikhakhar line.
34.00 54 40 40 17.74 Severe ROW problems. Tender re-invited for remaining portion.
8 220kV D/C Tharad - Thavar line 97.09 160 160 160 97.77 - Ckt.I charged on 21.06.12 & Ckt. 2 charged on 23.06.12
9 220kV D/C Tharad - Deodar line 77.46 130 130 130 77.46 Oct-12 Line commissioned on 11.11.1210 220 kV D/C Halvad-Sadla line 76.00 124 87 50 - Mar-13 Work in progress. 11 220 kV LILO to Sadla from Chorania-Gondal line 58.40 95 78 58 - Mar-13 Work in progress. 12 220kV D/C Bhatiya - Kalawad line 238.00 373 57 21 - Jun-13 Work in progress. 13 220kV D/C Kalawad - Kangasiyali line 111.88 185 75 25 - Jun-13 Work in progress. 14 LILO of one ckt. Of 220kV D/C Wanakbori-Asoj line at
Vyankatpura(Jarod) S/S27.62 45 2 - - Jun-13 Work in progress.
15 Termination of one D/C line of 220kV 2xD/C Achhaliya-Jambuva line at Vyankatpura(Jarod)S/S
68.39 115 - - - Jun-13 Work in progress.
16 220kV D/C SSNNL PS-I to PS-2 line 23.46 - - - - Jul-13 Work in progress. 17 220kV Shivlekha-Deodar Line LILO at SSNNL PS-2 43.40 - - - - Jul-13 Work in progress. 18 220kV Tappar-Shivlekha Line LILO at SSNNL PS-3 2.76 - - - - Jul-13 Work in progress. 19 220kV D/C Charanka-Jangral Line (AP-13/0 to Jangral) 190.96 - - - - Feb-14
20 220kV LILO at Suva from Kosamba-Mova line 111.72 - - - - Jan-1421 220kV LILO at Popada from Navsari-Vav line 17.00 2 - - -
22 220 kV D/C Varsana - Jamanwada line 350.00 560 485 479 270.22 Mar-13 (For stop gap arrangment, 220kV Nakhatrana-Akrimota S/C line made LILO to Jamnawada on 29.03.12)
23 220 kV D/C Tharad-Kintech line 175.17 276 275 271 141.18 Mar-13 Work in progress.
Total Location
Present Status as on 01.02.13
Sr. No. Name of Transmission lineLength in Ckt
Km Tower erected
Remark Anticipated completion
TargetStub
setting complete
Stringing completed
Annexure-23-4
A.
Transmission Schemes associated with evacuation and system strengthening scheme for own Generating Station.( Malwa Power 2*600)
1 Malwa-TPH-Pithampur 400KV DCDS Line 271.7 397 396 386 179.15 March/13 Work is in progress.
2 Malwa TPH-Chhegaon 400 KV DCDS Line 105.118 158 158 158 105.118 January/13 Work completed.
3 Chhegaon-Julwania 400 KV DCDS Line 228.00 340 296 153 - January/13 Work is in progress.
4 Malwa TPH-Chhegaon 220KV DCDS Line 95.72 160 160 160 95.72 June/12 23.02.2012
B
Transmission Schemes associated with evacuation and system strengthening scheme for Generating Station set up by IPP.( Bina Power)
1 400KV Bina S/s to BPSCL's Bina TPS 400KV DCDS Line 40 - - - - Complete work including survey
being carried out by BPSCL
2 Maheshwar-Pithampur 220KV DCDS Line 119.64 195 195 195 119.64 December/11Line charged temporarily on 25thJan'12
C Transmission Schemes associated with PGCIL Substation.
1 Pithampur-Indore (PGCIL) - 400 kV DCDS Line 128.00 193 185 139 29.68 March/13 Work is in progress
2 LILO of one circuit of 220KV Bina-Shivpuri at 765KV S/s PGCIL, Bina 1.66 5 5 5 1.66 May/11 Line charged on 18.04.11
Remark Stub
setting
Annexure-23-5
Status of Ongoing Transmission Progress in Madhya Pradesh (January-13)
Sr. No. Name of Transmission line Length in Ckt Km
Total Location Tower
erectedStringing
completed
Present Status as on 31.01.2013 Anticipated
completion Target
DTransmission Schemes and system strengthening schemes set up through IPTC Route.
1Satpura TPH-Astha 400kV DCDS line
470 - - - - December/13 Work is being carried out
through PPP mode
E Intra-State Transmission Schemes
1LILO of 220KV Pithampur-Indore & 220KV Pithampur-Badngar line at 400KV Substation Pithampur
65.28 92 92 92 65.28 October/12Work completed. Indore-Pitampur circuit charged with tap arrangement on 17.12.12.
2 LILO of both CKT. OF Nimrani-Julwania 220KV Line at Julwania 400KV 5.06 9 9 8 - March/13 Work is in Progress.
3 Ashta 400-Indore-II(Jetpura) 220 kV DCDS line 200 362 132 51 - December/13 Work is in Progress.
4 Ratlam-Daloda 220 KV DCSS Line 72.168 243 166 78 - March/13 Work is in Progress.
5 LILO of 220 KV DCDS Nagda-Neemuch line at Daloda S/S 8.822 20 20 19 4.528 October/12 Work is in Progress.
6 LILO of 220 KV Itarsi-Narsinghpur Line at Chichli S/s. 4.12 8 7 6 - June/13 Work is in Progress.
7 Second circuit stringing of 220kV Satpura(Sarni)-Pandhurna line 83 - - - 83 December/12 Work completed.
Present Status as on 31.01.2013 Anticipated
completion TargetTower
erectedStringing
completed
Remark Stub setting
complet
Sr. No. Name of Transmission line Length in Ckt Km
Total Location
Annexure-23-6
(A) Transmission Schemes associated with State Generating Stations
1 1x500 MW Korba West TPP Power Evacuation Scheme ( June-2012)
1.1 LILO of 400 kV Korba (West)-Bhilai at Raipur DCDS 47.10 70 70 70 47.1 Jun.12 Work completed. Line charged on 3.08.12
1.2 400 kV Korba(West)- Khedamara DCDS Ckt. I &II 446.50 640 640 640 446.5 Jan.13 Work cmpleted. Ready for Charging.
1.3 400 kV Khedamara- Raita DCDS 90.00 134 116 101 36.25 Mar .13 Work under progress.
2 2x500 MW Marwa TPP Power Evacuation Scheme
2.1 400kV DCDS Marwa-Raipur(Raita) 281.00 379 379 379 277.01 Mar.13 Work under progress.
2.2 LILOof 400kV K(W)-Khedamara line at Marwa (DCDS)
115.52 160 82 72 - Mar.13 Work under progress.
2.3 220kV line Marwa to Banari DCDS 28.26 55 55 55 28.2 Dec-12 220kV Marwa-Banari line from loc no.39 to 51i.e. up to Marwa end having route length 2.6 KM has been Charged on 07.11.12.
(B) Transmission Schemes associated with IPP NIL
(C) Transmission Schemes associated with PGCIL Substation
NIL
(D) Transmission Schemes through IPTC route NIL
(E) Intrastate transmission schemes
1.1 400 kV Raipur (Raita)- Jagdalpur DCDS 662 950 45 27 - Mar-14 Work is in progress.
1.2 220 kV Korba -Bishrampur DCSS 154.00 509 381 325 38.00 Mar-13 Work under progress.1.3 220 kV DCDS Lines Chhuri to Mopka (Bilaspur) 189 346 309 291 44.46 Jun-13 Work under progress.
1.4 220 KV Line Raigarh to Saraipali(DCDS) 222.00 384 376 370 151.70 Mar-13 Work under progress.1.5 220 kV DCSS line Bemetara to Mungeli 38.34 134 121 121 36.39 Mar-13 Work under progress.
1.6 220 kV 2nd Ckt of Khedmara-Rajnandgaon (Telkadih) DCSS
49.82 - - 27.82 Mar.-13 Work under progress.
1.7 LILO of 220KV Raigarh- Budipadar at 400 kV PGCIL S/S 400 kV PGCIL S/S Raigarh.
18.76 32 - - - Mar-13 Tender cancelled & reinvited the same.
1.8 220 kv DCDS line from 400kV S/S Raipur to suitable location of Urla-Siltara line near Rajendra Steel for I/C of Raipur-Siltara & Raipur-Urla.
25.98 47 34 31 - Mar-13 Work under progress.
1.9 LILO of 220KV Korba- Bishrampur line at 220 kV Churi S/S.
30.00 46 Tender under process.
1.10 LILO of 220kV Raigarh-Jindal(Tamner) at Girwani 220kV S/S.
14.00 Work to be started.
1.11 LILO of 220kV Korba-Amarkantak I & II to 220kV Churri.
8.00 Tender under process.
Stub setting
Tower erected
Stringing complete
Status of Ongoing Transmission Progress in Chhattisgarh (January -13)
Sr. No. Name of Transmission lineLength in Ckt Km
Total Location
Present Status as on 31.01.2013
Anticipated completion
TargetRemark
Annexure-23-7
(A) Transmission Schemes associated with State Generating StationsI. 400 KV Lines
1 400 KV D/C line from Bhusaval-II to A'bad. (Loc. No. 1 to 270) 191 283 283 283 191.00Sep-12
Charged on 06.02.12
2 400 KV D/C line from New Bhusaval - Aurangabad (Loc. No. 271 to Waluj S/S) 179.2 251 251 251 179.200
Sep-11Charged on 23.12.11
3 400 KV S/C line from 400 KV New Khaperkheda - 400 KV Koradi 4.12 13 13 13 4.12
Aug-12 Line Commissioned on 14.08.12
4 400 KV D/C line from Koradi-II to Wardha S/S(PG) 239 336 307 292 117.29 Jun-13 Work in progress.II. 220KV Lines
1 LILO on 220 KV Tarapur-Borivali line for Boisar II S/S 16 15 15 12 8.700 Mar-13 Way leave problem at Loc.No.11
2 220 KV Koradi II to Butibori II D/C line on M/C tower at 400 KV Koradi II S/S 106 190 124 112 12.06
Sep-13Work in progress. ROW problems.
3 220KV Parli TPS-Nanded M/C line( Waghala) 361.2 300 300 300 361.2
Oct-12Commissioned on dated 09.01.13
4 220 kV D/C on D/C from 400 kV new Bhusaval - 220 kV Amalner S/S 190.8 326 326 326 190.8 Dec-11 Commissioned on 06.11.11
5 220 kV line D/C line on M/C tower from 400/220 kV new Bhusaval -II S/S - existing 400 kV Khadka 20.00 53 53 53 20.00
Dec-12Commissioned on 30.01.13
6 220 kV Paras-Balapur MIDC M/C -M/C 24.00 30 29 29 23.12 Mar-13 Work in progress. ( M/s. Bajaj )
7 220KV M/C- M/C from 400 New K'Kheda to 220KV Existing K'Kheda 12 19 19 19 12 Mar-12 Commissioned on 01.04.12
(B) EVACUATION (LINES & S/S) FOR IPPs
Mauda Transmission System1
400 KV D/C Jaigad - Karad line. 222 300 300 300 218.8Sep-11 Ckt I Charged on 02.12.11 & Ckt II Charged
on 28.09.11
Stub setting completed
Status of Ongoing Transmission Progress in Maharashtra (January-13)
Sr. No. Name of Transmission lineLength in Ckt
Km
Total Location
Present Status as on 31.01.2013Anticipated completion
TargetTower erected
Stringing completed
Remark
I. 400KV Lines
1 400KV Chandrapur- II- Warora D/C 91.00 137 135 131 54.084Mar-13 Work in progress. ( Quad conductor)( M/s.
Cobra-KCL )400KV Warora- Wardha PGCIL 156.266 223 223 223 156.266 Apr-12 One ckt.charged on 19.05.12
2 400KV D/C line from Koradi-II to Wardha S/S(PG) 239 336 307 292 117.29 Jun-13 Work in progress.( M/s. Cobra-KCL )
II. 220KV Lines
1 220KV D/c on M/C tower from 400KV PGCIL Talegaon to 220KV Urse 21.76 40 40 40 21.76 28.03.09
2 LILO on Apta-Kalwa & Kandalgaon-Kharghar for Navi Mumbai S/S 16 19 - - -
Mar-13Work awarded to M/S KPTL. ROW problem.
3 220kV D/C line from Pune(PG) to Talegaon 7.2 10 10 10 7.2Mar-13
4 220kV D/C line from Chincholi(PG) to South Solapur 10.94 18 18 18 10.64Oct-11
28.02.12
5 220kV D/C line from Wardha(PG) to Ghatodi 322 503 179 61 -Mar-13
6 LILO on 220kV Bhugaon-Pusad SC at Wardha(PG) 14 35 - - -Sep-13
(D) LINES & S/S LINKING WITH PROJECTS- IPTC Routes NIL
(E) SYSTEM STRENGTHENING LINES (INTRA STATE)
I. 220KV Lines 1 220KV D/C Nagothane Wadkhal. 60 93 56 44 -2 LILO on 220 KV Padghe - Kalwa for Temghar S/S. 3 8 8 8 3 Jul-11 Commissioned on 26.07.11
3 LILO on 220 KV Mulund - Borivali by U/G cable for Bhandup GIS S/S. 4 2 - - -
Dec-11Commissioned on 30.11.11
4 220 KV D/C from Phursungi - 400 KV Jejuri S/S. 62 101 101 101 62 Mar-11 Line is charged on 16.06.11
Tower erected
Stringing completed
Annexure-23-8)
Sr. No. Name of Transmission lineLength in Ckt
Km
Total Location
(C.)- EVACUATION (LINES) LINKED WITH PGCIL Present Status as on 31.01.2013 Anticipated
completion Target
Remark Stub setting completed
Annexure-23-9
I. 220KV Lines
1 shifting of 220KV Telco-Bhosari interconnecting bay at chinchwad S/s. 0.5 6 6 5 0.133
Jun-12Cable laying completed.
2 220KV D/C line on M/c tower LILO on 220KV Bhosari-Chinchwad D/C on M/C. for 400KV Chakan S/s. 18 31 31 31 17.532
Mar-11Commissioned on 14.04.11
3 220 kV D/C line Jeur - Paranda 68.76 115Dec-12
Work order is to be cancelled as it passes through WLS. Case in Supreme court.
220 kV D/C Beed- Patoda line 86.338 151 151 151 86.338Jun-12 Line commissioned on 14.07.12
( M/s. Bajaj )
4 220KV D/C-D/C Jalna - Chikli 157.00 268 266 266 151Oct-12 Work in progress.
( M/s. Bajaj )
5220 KV Line from Boisar PGCIL to 220 KV Wada S/S 114 211 173 165 56.096 Dec-12
p pproblems & 3 Nos. Court Cases. Forest proposal yet to be approved.
Remark Stub setting completed
Tower erected
Stringing completed
Present Status as on 31.01.2013Anticipated completion
TargetSr. No. Name of Transmission line
Length in Ckt
Km
Total Location
Annexure-23-10PROGRESS OF TRANSMISSION LINES UNDER CONSTRUCTION BY PGCIL (As on 31.01.13)
Sr.No.
Name of transmission line Length in Ckt. Km
Total Locations
Anticipated Completion
REMARKS
Stub Setting completed
Tower erected
Stringing completed
Target
(Nos.) (Nos) (Ckm)
765 kV & 400 kV Lines 1 Western Region Stregthening Scheme-II1.1 SET-A: For absorbing import in eastern¢ral part of WR1.1.1 400 kV D/C Raipur(PG)-Wardha(PG) line 741 989 989 989 741 Dec-12 Line commissioned in Dec'122 Western Region Stregthening Scheme-V2.1 400 kV Vapi(PG)-Navi Mumbai D/C line 258 388 145 87 17 Severe ROW problem being faced in
Maharashtra & DNH on allmost all locations. Compltion uncertain.
2.2 LILO of Lonikhand(MSEB)-Kalwa(MSEB) 400 kV S/C line at Navi Mumbai
18 28 19 19 12 Mar-13 Severe ROW problem in Maharashtra. Compltion uncertain.
3 Transmission System Associated with Mundra UMPP3.1 Part-A Transmission System of Mundra UMPP3.1.1 400 kV D/C Mundra-Bachchau- Jetpur line (Tripal snowbard) 672 918 918 918 672.00 Dec. 123.2 Part-B Regional System Strengthening in WR for Mundra UMPP
3.2.1 400 kV D/C Gandhar-Navsari line 204 288 288 288 204.00 Jul. 12 Line commissioned in July'123.2.2 400 kV D/C Navsari- Boisor line 432 614 402 357 112 Dec. 13 Line is now proposed to be terminated at
Boiser S/stn in place of Mumbai new loc. 3.2.3 400 kV D/C Wardha- Aurangabad line(upgradation 1200kV S/C 700 980 496 215 Dec-133.2.4 400kV D/C Aurangabad(PG)-Aurangabad(MSETCL) line (Q) (53Km)
and Shifting of 400kV Ankola- Aurangabad (MSETCL) to Aurangabad (PG) line (53)
212 151 35 7 Sep.13 Foundation commenced from July 12
3.2.5 LILO of both Ckt of Kawas-Navsari 220 kV D/c at Navsari 82 145 145 145 82 Jul. 12 Line commissioned in July'124 Transmission System Associated with Sasan UMPP4.1 Part-A Transmission System of Sasan UMPP4.1.1 765 kV S/C Sasan-Satna line-I 241 689 689 689 241.00 Dec.12
4.1.2 765 kV S/C Sasan-Satna line-II 244 671 612 600 172.00 Jun. 134.1.3 765 kV S/C Satna-Bina line-II 276 737 737 737 276.00 Jun. 12 Line Commissioned in Jun' 124.1.4 400 kV D/C Bina-Bina (MPPTCL) line 1 6 6 6 1.00 Mar. 13 Line Completed. Commissioning maching with
readiness of associated bay.4.2 Part-B Regional System Strengthening in WR for Sasan UMPP4.2.1 400 kV D/C Indore-Indore(MPPTCL) (quad) line 100 139 139 139 99.00 Dec. 12 Line partly commissioned in March-12
PRESENT STATUS
PROGRESS OF TRANSMISSION LINES UNDER CONSTRUCTION BY PGCIL (As on 31.01.13)Annexure-23-11
Sr.No.
Name of transmission line Length in Ckt. Km
Total Locations
Anticipated Completion
REMARKS
Stub Setting completed
Tower erected
Stringing completed
Target
(Nos.) (Nos) (Ckm)4.3 Split Bus Arrangement & Reconfiguration / Shifting of terminating
lines at 400 KV Raipur S/Stn. 4.3.1 By passing of Bhatapara - Raipur 400 KV S/C line to restore the line as
Bhatapara - Bhilai 400 KV S/C line 1.5 4 Mar.13
4.3.2 Shifting of Chandrapur-2 and Chandrapur-3 line bays from Section Raipur-B to Raipur-A
0.5 2 Mar.13
4.4 Establishment of Pooling Station at Raigarh (Kotra) and Raipur for IPP Gen. Proj. in Chhatisgarh-A
4.4.1. 765 KV D/C Raigarh Pooling station (Near Kotra) - Raipur Pooling Station line
470 623 568 346 Aug.13
4.4.2 400 KV D/C Raigarh Pooling station (Near Kotra) Raigarh line 13 20 11 3 Aug.134.4.3 400 KV D/C Raipur Pooling Station - Raipur line 44 69 61 49 15.00 Aug.134.5 Establishment of Pooling Station at Champa and Raigarh (near
T ) f IPP G P j i Chh ti h B4.5.1 765 KV D/C Champa Pooling station - Raipur Pooling Station line 297 391 259 165 25.00 May.144.5.2 765 KV D/C Raigarh Pooling station (Near Kotra) - Raigarh Pooling
Station line (Near Tamnar) line 95 135 65 37 8.00 May.14
4.5.3 765KV S/C Champa Pooling station - Dharajayagarh / near Korba Switching Station line
59 143 88 34 May.14
4.5.4 765 KV S/C Raigarh Pooling station (Near Kotra) - Champa Pooling Station line
96 302 135 25 May.14
4.6 Transmission System for establishment of 400/220 KV GIS Sub station at Kala in UT DNH
4.6.1 LILO of 400 KV D/C Vapi-Navi Mumbai line at Kala (Multi-ckt-tower) 18 30 29 7 July.134.7 Integration of Pooling Station in Chhattishgarh with Central part of
WR for IPP Generation Project in Chhatisgarh-C4.7.1 765 KV D/C Raipur Pooling Station - Wardha line 740 927 425 228 25.00 Dec.134.8 Transmission System for connectivity of MB Power limited4.8.1 400 KV D/C MB TPS (Anuppur) - Jabalpur Pooling Station (Tripal
Snowbird) line 480 600 328 150 Oct.13
4.8.2 400 KV D/C Jabalpur Pooling Station- Jabalpur (exit) (Tripal Snowbird) line
28 35 Oct.13 Scope deleted.
4.9 Transmission System for IPP Generation Projects in Madhya Pradesh and Chhatisgarh
4.9.1 765 KV S/C Indore - Vadodara line 293 781 445 264 42.00 Dec.134.9.2 400 KV D/C Vadodara -Pirana (Quad) line 264 366 267 171 16.00 Dec.13
PRESENT STATUS
PROGRESS OF TRANSMISSION LINES UNDER CONSTRUCTION BY PGCIL (As on 31.01.13)Annexure23-12
Sr. Name of transmission line Length in Total Anticipated REMARKS Stub Setting
completedTower
erectedStringing
completed Target
(Nos.) (Nos) (Ckm)4.10 Transmission system strengthening in Western part of WR for IPP
Generation Projects in Chhatisgarh - part-D4.10.1 765 KV D/C Wardha-Aurangabad line 689 996 124 103 Jul-144.10.2 400 KV D/C Aurangabad -Boisar line (Quad) 648 920 145 17 Jul-144.11 Western Region Strengthening Scheme - XIII
4.11.1 400 KV D/C Bachau- Varasna (GETCO) line 20 41 Sep.13 Award placed in Jan'124.12 System Strengthening in North/West part of WR for IPP Project in
Chhattisgarh Part -E4.12.1 765 KV D/C Aurangabad (PG) - Padghe (PG) line 560 900 Aug.14 Award under progress.4.12.2 400 KV D/C Padghe (PG) - Kudus line (Quad) 50 72 Aug.14 Award placed in Feb'124.12.3 400 KV D/C Vadodra - Asoj line (Quad) 30 39 15 Aug.14 Award placed in Feb'124.13 Transmission System for connectivity of Essar Power Gujarat
Limited 4.13.1 400 KV D/C Essar Gujrat TPS- Bachau line (Triple) 500 716 115 55 Feb.144.14 System Strengthening in Raipur - Wardha Corridor for IPP Project
in Chhattisgarh-Part-64.14.1 765 KV D/C Raipur Pooling Stn. - Wardha line - II 760 1028 108 7 Jan.154.15 Transmission System for establishment of 400/220 KV GIS Sub
station at Magarwada in UT DD. 4.15.1 LILO of 400 KV D/C Navasari-Boisar line at Magarwad (Multi Ckt-tower) 60 94 28 3 Jan.14
4.16 System strengthening in Wardha - Aurangabad Corridor fo IPP Porject in Chhattisgarh Part-7
4.16.1 765 KV D/C Wardha - Aurangabad line 712 996 170 56 Feb.155 Inter-regional lines5.1 Transmission System of Vindhyachal-IV and Rihand-III(1000MW
each) Gen. Project5.1.1 765kV D/C Rihand - Vindhyachal Pooling station line 64 91 14 Mar'14 Work in Progress5.1.2 400kV D/C Vindhyachal-IV - Vindhyachal Pooling Station line (Q) 58 84 84 84 58 Dec'12 Line completed & test charged on 30.12.125.1.3 765kV S/C Vindhyachal Pooling Station - Satna line (Ckt-I) 253 681 427 281 23 Mar'14 Work in Progress5.1.4 765kV S/C Vindhyachal Pooling Station - Satna line (234km+12km D/C
Portion)Ckt-II234 628 377 276 25.00 Mar'14 Work in Progress
5.1.5 765kV S/C Satna-Gwalior line (Ckt.-I) 337 902 758 446 66.00 Jun'135.1.6 765kV S/C Satna-Gwalior line (359Km + 60Km D/C Portion) Ckt.-II 304 778 646 274 8 Jun'135.1.7 765kV S/C Sasan-Vindhyachal Pooling Station line 6 18 11 Jun'13 Vindhyachal PS critical5.1.8 400kV D/C Sasan-Vindhyachal Pooling Station line 12 19 19 19 12.00 Dec'12 Line completed & test charged on 30.12.125.1.9 765kV S/C Gwalior- Jaipur(RVPN) line 300 794 524 402 59.00 Mar'145.1.10 400 kV D/C Bassi-Jaipur (RVPN) line (Q) 97 136 127 104 40.00 Mar'13 Work in Progress
PRESENT STATUS
PROGRESS OF TRANSMISSION LINES UNDER CONSTRUCTION TROUGH IPTC ROUTE (JANUARY- 2013)
Sr.No.
Name of transmission line Length in Ckt. Km
Total Locations
(Nos)
Anticipated Completion
REMARKS
Stub Setting completed
Tower erected
Stringing completed
Target
(Nos.) (Nos) (Ckm)WRSSS-II (Set-B)
2.2 SET-B: For Regional strengthening in southern Maharashtra implemented through IPTC route by Western Region Transmission (Mah) Pvt.Ltd.
2.2.1 400 kV D/C Parli(PG)-Pune 576 766* 759 751 538 Mar-13 NOC from PTCC Recd.2.2.2 400 kV D/C Pune(PG)-Aurangabad(MSEB) 472 641 612 601 332 Mar-13 NOC from PTCC Recd.
2.2.3 400 kV D/C Parli(PG)-Solapur 272 355 354 354 272 Sep-11 Line charged on 8th Oct 2011
2.2.4 400 kV D/C Solapur(PG)-Kolhapur(MSEB) 440 578 578 578 440 Jul-12 Line charged on 1st Jul 2012
2.2.5 LILO of Lonikhand(MSEB)-Kalwa(MSEB)400 kV D/C at Pune(PG) 2.5 14 9 7 1 Feb-12 Ckt-1 charged on 15.04.2011 Ckt. II to be Charged by Feb 12
2.2.6 Multi Circuit Portions 23.0 72 48 40 8 Mar-13
WRSSS-II (Set-C)2.3 SET-C: For Regional strengthening in Gujarat implemented
through IPTC route by Western Region Transmission (Guj) Pvt.Ltd.
2.3.1 400 kV D/C Rajgarh(PG)-Karamsad(GEB) 486 654 632 632 434 Mar-13
2.3.2 400 kV D/C Limbdi(Chorania)(GEB)-Ranchodpura(Vadavi)(GEB) 206 270 270 270 206 Mar-11 Line charged on 29.04.20112.3.3 400 kV D/C Ranchodpura(Vadavi)(GEB)-Zerda(Kansari)(GEB) 282 375 375 375 282 Aug-11 Line charged on 16.11.2011
* Total Location has been reduced by RPTL from 842 in Aug'12 to 766 in Sep'12
PRESENT STATUS
Annexure-23-13