interim report on the performance of the electricity supply services in malaysia

7/28/2019 Interim Report on the Performance of the Electricity Supply Services in Malaysia

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LAPORAN INTERIM PRESTASI PERKHIDMATAN

PEMBEKALAN ELEKTRIK DI MALAYSIA

INTERIM REPORT ON THE PERFORMANCE OF THE

ELECTRICITY SUPPLY SERVICES IN MALAYSIA

UNTUK SEPARUH TAHUN PERTAMA 2010

FOR THE FIRST HALF YEAR OF 2010



Laporan Interim Separuh Tahun Pertama 2010Interim Report for the First Half Year of 2010

Jabatan Kawal Selia Pembekalan dan Pasaran ElektrikElectricity Supply and Market Regulation Department - 2 -

Bil. / No. KANDUNGAN / CONTENTS

1.0 PEMBEKALAN DAN PERMINTAAN BEKALAN ELEKTRIK

ELECTRICITY SUPPLY AND DEMAND 1.1 Kehendak Maksimum dan Kapasiti Terpasang

Maximum Demand and Installed Generation Capacity

2.0 JUALAN TENAGA ELEKTRIK

SALES OF ELECTRICITY

2.1 Jualan Tenaga Bulanan TNB, SESB, Sarawak Energy Berhad (SEB) dan NUR

Monthly Sales of Energy of TNB, SESB Sarawak Energy Berhad (SEB) and NUR

2.2 Jualan Tenaga Tahunan TNB, SESB, Sarawak Energy Berhad (SEB) dan NUR

Yearly Sales of Energy of TNB, SESB Sarawak Energy Berhad (SEB) and NUR

3.0 KEBOLEHARAPAN (RELIABILITY) BEKALAN ELEKTRIK

RELIABILITY OF ELECTRICITY SUPPLY

3.1 Statistik Gangguan Bekalan – TNB

Statistics of Supply Interruptions - TNB

3.2 Statistik Gangguan Bekalan – SESB

Statistics of Supply Interruptions - SESB

3.3 Statistik Gangguan Bekalan – SEB

Statistics of Supply Interruptions - SEB

3.4 Statistik Gangguan Bekalan – NURStatistics of Supply Interruptions - NUR

3.5 Sistem Pengagihan TNB

Distribution System of TNB

3.5.1 System Average Interruption Duration Index (SAIDI)

3.5.2 System Average Interruption Frequency Index (SAIFI)

3.5.3 Customer Average Interruption Duration Index (CAIDI)

3.6 Sistem Pengagihan SESB

Distribution System of SESB


3.6.2 System Average Interruption Frequency Index (SAIFI)

3.6.3 Customer Average Interruption Duration Index (CAIDI)

3.7 Sistem Pengagihan SEB

Distribution System of SEB






3.8 Sistem Pengagihan NUR

Distribution System of NUR


3.9 Prestasi Sistem Penghantaran di Semenanjung Malaysia

Performance of Transmission System in Peninsular Malaysia

4.0 PUNCA GANGGUAN BEKALAN ELEKTRIK

CAUSES OF ELECTRICITY SUPPLY INTERRUPTIONS

4.1 Punca Gangguan Bekalan Elektrik – TNB

Causes of Electricity Supply Interruptions - TNB

4.2 Punca Gangguan Bekalan Elektrik – SESB

Causes of Electricity Supply Interruptions - SESB

4.3 Punca Gangguan Bekalan Elektrik – SEB

Causes of Electricity Supply Interruptions - SEB

4.4 Punca Gangguan Bekalan Elektrik – NURCauses of Electricity Supply Interruptions - NUR

5.0 KUALITI BEKALAN

POWER QUALITY

5.1 Insiden Voltage Dips – TNB

Incidents of Voltage Dips – TNB

5.2 Insiden Voltage Dips – NUR

Incidents of Voltage Dips - NUR





1.1 KEHENDAK MAKSIMUM DAN KAPASITI PENJANAANMAXIMUM DEMAND AND INSTALLED GENERATION CAPACITY

Gambarajah 1 : Kehendak Maksimum dan Kapasiti Penjanaan di Semenanjung Malaysia – Separuh Tahun Pertama 2010

Figure 1 : Maximum Demand and Installed Generation Capacity in Peninsular Malaysia for the First Half Year of 2010

21,817 21,817 21,817

14,24514,890 15,072

0

5,000

10,000

15,000

20,000

25,000

1st Quarter 2nd Quarter

(MW)

Installed Generation Capacity Maximum Demand

2009

2010 2010

Gambarajah 2 : Kehendak Maksimum dan Kapasiti Penjanaan di Sabah – SeparuhTahun Pertama 2010

Figure 2 : Maximum Demand and Installed Generation Capacity in Sabah for the First Half Year of 2010

903

968# 968

719760 773

0

200

400

600

800

1,000


(MW)

I nst al le d Ge ne rat io n C ap ac it y Max im um De man d

20092010 2010

1.0 PEMBEKALAN DAN PERMINTAAN BEKALAN ELEKTRIKELECTRICITY SUPPLY AND DEMAND

Nota / Note :

# 1) Mulatugas tarbin gas65 MW bagi kitar terbukaFasa 1 di RanhillPowertron Sdn. Bhd. padaMac 2010

Commissioning of the first phase 65 MW open cycle gas turbine in Ranhill Powertron II Sdn. Bhd. in March 2010.

Sumber / Source :Tenaga Nasional Berhad





Gambarajah 3 : Kehendak Maksimum dan Kapasiti Penjanaan di Sarawak – SeparuhTahun Pertama 2010

Figure 3 : Maximum Demand and Installed Generation Capacity in Sarawak for the First Half Year of 2010

1,230 1,230

1,349

9961,027

1,067

0

200

400

600

800

1,000

1,200

1,400


(MW)

Installed Generation Capacity Maximum Demand

20092010 2010

Gambarajah 4 : Kehendak Maksimum Bulanan NUR Distribution Sdn. Bhd.

Figure 4 : Monthly Maximum Demand of NUR Distribution Sdn. Bhd.

91 9195

10199 101 101

106109

111 112110

103106

109

114 117120

125 124125

130 130 132131

134137

140 139 138

80

90

100

110

120

130

140

150

Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec

(MW)

Month

2008 2009 2010

1.0 PEMBEKALAN DAN PERMINTAAN BEKALAN ELEKTRIKELECTRICITY SUPPLY AND DEMAND





2.1 JUALAN TENAGA BULANAN TNB, SESB, SARAWAK ENERGY BERHAD(SEB) DAN NURMONTHLY SALES OF ELECTRICITY OF TNB, SESB, SARAWAK ENERGY

BERHAD (SEB) AND NUR

Gambarajah 5 : Jualan Tenaga Bulanan Oleh TNB (GWj) untuk Separuh Tahun Pertama2010

Figure 5 : Monthly Sales of Electricity (GWh) of TNB for the First Half Year of 2010

0.00

500.00

1,000.00

1,500.00

2,000.00

2,500.00

3,000.00

3,500.00

Jan Feb Mar Apr May June

1,488 1,4091,558 1,660 1,631 1,643

2,465 2,412 2,3252,649 2,636 2,614

3,353 3,402

2,967

3,501 3,4133,533

5 6 5 6 5 597 81 91 89 88 8422 21 21 24 23 23

E n e r g y S

a l e s ( G W h )

Month

Domestic Commercial Industrial Mining Public Lighting Agriculture Gambarajah 6 : Jualan Tenaga Bulanan Oleh SESB (GWj) untuk Separuh Tahun

Pertama 2010Figure 6 : Monthly Sales of Electricity (GWh) of SESB for the First Half Year of 2010

0.00

20.00

40.00

60.00

80.00

100.00

120.00

Jan Feb Mar Apr May June

107

92

103

120110 112

129 121 119 145 139 136

10197

89

104 99 98

3 5 4 4 4 4

E n

e r g y S a l e s ( G W h )

Month

Do me stic Co mme rcia l In du stria l P ub lic L ig htin g

2.0 JUALAN TENAGA ELEKTRIKSALES OF ELECTRICITY





Gambarajah 7 : Jualan Tenaga Sarawak Energy Berhad (GWj) untuk Separuh TahunPertama 2010

Figure 7 : Sales of Electricity (GWh) by Sarawak Energy Berhad for the First Half Year of

2010

0

200

400

600

800

1000

1200

Domestic Commercial Industrial Public Lighting

625

1080 1085

38

E n e r g y S a l e s ( G W h )

Category of Consumers Gambarajah 8 : Jualan Tenaga Bulanan NUR Distribution Sdn. Bhd. (GWj) untuk

Separuh Tahun Pertama 2010Figure 8 : Monthly Sales of Electricity (GWh) of Nur Distribution Sdn. Bhd. For the First

Half Year of 2010

0.0

10.0

20.0

30.0

40.0

50.0

60.0

70.0

80.0

90.0

100.0

Jan Feb Mac Apr Mei Jun

0.45 0.570.51 0.52

0.510.63

2.53 2.38 2.89 2.87 2.75 2.70

84.5278.10

89.32 88.49 91.25 87.50

0.12 0.110.13

0.13 0.11 0.11

E n e r g y S a l e s ( G W h )

Month

Domestic Commercial Industrial Public Lighting






2.2 JUALAN TENAGA TAHUNAN TNB, SESB, SEB DAN NURYEARLY SALES OF ELECTRICITY OF TNB, SESB, SEB AND NUR

Gambarajah 9 : Jumlah Jualan Tenaga (GWj)oleh TNB untuk :i) Separuh Tahun Pertama 2008, 2009 dan

2010ii) Sepanjang Tahun 2006 Hingga 2009

Figure 9 : The Total Electricity (GWh) of TNB for : i) First Half Year of 2008, 2009 and 2010 ii) In the Year 2006 to 2009

0

5000

10000

15000

20000

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

1436615,351 16,017

17,124

7,933 8,408 9,389

(GWh)

Year

Domestic

0

10000

20000

30000

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

2385925,83727,190

28,287

13,438 13,75315,101(GWh)

Year

Commercial

0

10000

20000

30000

40000

50000

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

37835 39,046 40,07236,608

20,258 16,95620,168

(GWh)

Year

Industrial

0

20

40

60

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

3833 35

53

1725

32(GWh)

Year

Mining

0

500

1000

1500

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

854 908 9541,093

475 486 531

(GWh)

Year

Public Lighting

0

50

100

150

200

250

2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

186

225 245

109 117 134

(GWh)

Year

Agriculture

0

20,000

40,000

60,000

80,000

100,000

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

77,00881,360 84,493 83,411

42,230 39,746 45,355

(GWh)

Year

Total






Gambarajah 10 : Jumlah Jualan Tenaga (GWj)oleh SESB untuk :

i) Separuh Tahun Pertama 2008, 2009 dan2010

ii) Sepanjang Tahun 2006 Hingga 2009

Figure 10 : The Total Electricity (GWh) of SESB for :

i) First Half Year of 2008, 2009 and 2010 ii) In the Year 2006 to 2009

0

500

1000

1500

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

9371,035 1,090 1,204

443584 644

(GWh)

Year

Domestic

0

500

1000

1500

2000

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

1,1031,238 1,321

1,504

535727 789

(GWh)

Year

Commercial

0

500

1000

1500

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

889993 1,017

1,099

415526 588

(GWh)

Year

Industrial

0

10

20

30

40

50

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

3945 47

49

2024 25

(GWh)

Year

Public Lighting

0

1,000

2,000

3,000

4,000

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

2,9683,312 3,474

3,856

1,626 1,860 2,045

(GWh)

Year

Total






Gambarajah 11 : Jumlah Jualan Tenaga (GWj)oleh SEB untuk :



Figure 11 : The Total Electricity (GWh) of SEB for :


0

500

1000

1500

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

1,0401,098 1,132

1,249

554 597 625

(GWh)

Year

Domestic

0

500

1000

1500

2000

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

1,324 1,421 1,4971,623

734 780

1,080

(GWh)

Year

Commercial

0

500

1000

1500

2000

2006 2007 2008 2009 2008(Jan-

June)

2009(Jan-

June)

2010(Jan-

June)

1,627 1,691 1,7261,606

880785

1,085

(GWh)

Year

Industrial

0

20

40

60

80

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

5462 66 62

34 36 38

(GWh)

Year

Public Lighting

0

1,000

2,000

3,000

4,000

5,000

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

4,045 4,272 4,421 4,540

2,087 2,1982,828

(GWh)

Year

Total






Gambarajah 12 : Jumlah Jualan Tenaga (GWj)oleh NUR Distribution Sdn. Bhd. untuk :



Figure 12 : The Total Electricity (GWh) of NUR Distribution Sdn. Bhd. for :


0.0

2.0

4.0

6.0

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

4.14.6

5.2 5.5

2.6 2.73.2

(GWh)

Year

Domestic

0.0

5.0

10.0

15.0

20.0

25.0

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

24.0

20.321.8

23.5

11.4 11.3

16.1(GWh)

Year

Commercial

0.0

200.0

400.0

600.0

800.0

1000.0

2006 2007 2008 2009 2008

(Jan-

June)

2009

(Jan-

June)

2010

(Jan-

June)

525.1 590.9

763.8

916.1

351.6420.4

519.2

(GWh)

Year

Industrial

0.0

0.5

1.0

1.5

2.0

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

1.8 1.7 1.7 1.6

0.9 0.8 0.7

(GWh)

Year

Public Lighting

0.0

200.0400.0

600.0

800.0

1000.0

2006 2007 2008 2009 2008

(Jan-June)

2009

(Jan-June)

2010

(Jan-June)

555.0 617.6

792.5

946.8

301.2

435.3539.2

(GWh)

Year

Total






3.1 STATISTIK GANGGUAN BEKALAN – TNBSTATISTICS OF SUPPLY INTERRUPTIONS - TNB

Gambarajah 13 : Bilangan Gangguan BekalanElektrik di Semenanjung Malaysia untuk :i) Separuh Tahun Pertama 2008, 2009 dan


Figure 13 : Numbers of Electricity Supply Interruptions in Peninsular Malaysia for : i) First Half Year of 2008, 2009 and 2010 ii) In the Year 2006 to 2009

020,00040,000

60,00080,000

100,000120,000

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

55,52374,058

112,064 108,708

48,298 56,773 49,800

N

u m b e r

Year

Unscheduled Interruptions in Peninsular Malaysia

01,0002,000

3,0004,0005,0006,0007,000

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

1,0912,348

5,3306,262

1,364

3,7063,099

N

u m b e r

Year

Scheduled Interruptions in Peninsular Malaysia

020,000

40,00060,00080,000

100,000120,000

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

56,61476,406#

117,394 114,971

49,662 60,479 52,899

N u m b e r

Year

Total Interruptions in Peninsular Malaysia

3.0 KEBOLEHARAPAN (RELIABILITY) BEKALAN ELEKTRIKRELIABILITY OF ELECTRICITY SUPPLY

Nota / Note :

# Mulai September 2007,

TNB menggunapakaisistem pemantauan danpelaporan prestasi sistempembekalan denganmenggunakan software baru iaitu TOMS (Total Outage Management System).

From September 2007,application of new monitoring and reporting system on performance of supply system using the new software, i.e. Total Outage Management System (TOMS).





Gambarajah 14 : Purata Bilangan GangguanBekalan Elektrik Bulanan di Semenanjung Malaysia:



Figure 14 : Monthly Average of Electricity Supply Interruptions in Peninsular Malaysia for : i) First Half Year of 2008, 2009 and 2010

ii) In the Year 2006 to 2009

0

2,000

4,000

6,000

8,000

10,000

12,000

4,718

6,367

9,783 9,581

8,277

10,080

8,817

N u m b e r

Year

Gambarajah 15 : Jumlah Kumulatif BilanganGangguan Bekalan Elektrik bagi Negeri-negeri diSemenanjung Malaysia untuk Separuh Tahun

Pertama 2008, 2009 dan 2010

Figure 15 : Total Number of Supply Interruptions in Various States in Peninsular Malaysia for the First Half Year of 2008, 2009 and 2010

0

2000

4000

6000

8000

10000

12000

8 4 1

4 ,

1 8 2

5 ,

1 9 7

3 ,

6 7 7

7 ,

3 6 7

6 ,

4 1 1

4

2 ,

7 5 9

1 ,

3 2 6

8 ,

5 3 7

2 ,

4 5 4

1 ,

3 3 3

5 ,

5 7 4

1 ,

0 6 7

5 ,

4 0 7

4 ,

6 0 9

5 ,

9 8 7

8 ,

4 1 0

6 ,

7 3 8

4

3 ,

2 7 8

2 ,

4 6 4

1 0 ,

0 5 2

3 ,

3 7 6

2 , 0 1 3

7 ,

0 7 4

4 1 4

4 ,

2 2 6

3 ,

8 0 6

6 ,

1 6 4

7 , 7

8 3

6 ,

4 1 4

1 1

3 ,

2 9 6

1 , 9

5 2

9 ,

1 4 4

2 ,

8 2 9

2 , 0

1 4

4 ,

8 4 6

N u m b e r

State

2008 (Jan-June) 2009 (Jan-June) 2010 (Jan-June)






Gambarajah 16 : (a) Peratusan BilanganGangguan Bekalan Elektrik Keseluruhan Mengikut

Bahagian Terlibat di Semenanjung Malaysia untuk :i) Separuh Tahun Pertama 2009 dan 2010ii) Sepanjang Tahun 2008 dan 2009

Figure 16 : (a) Percentages of Total Number of Supply Interruptions in Peninsular Malaysia

Based on the Component of Network for : i) First Half Year of 2009 and 2010 ii) In the Year 2008 and 2009

10.2% 10.6% 9.9% 11.5%

21.8% 19.3% 20.1%22.5%

68.0% 70.0% 70.0% 66.0%

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

2008 2009 2009 (Jan-June) 2010 (Jan-June)

(%)

Underground Cable Substation Overhead Line (b) Peratusan Tahun 2009 (Jan-Jun)Percentages in 2009 (Jan-June)

UndergroundCable9.87%

Substation20.06%

OverheadLine

70.07%

(c) Peratusan Tahun 2010 (Jan-Jun)Percentages in 2010 (Jan-June)

UndergroundCable

11.55%

Substation22.47%

OverheadLine

65.98%

Nota / Note : Tidak termasuk gangguan bekalan voltan tinggiExcluding high voltage supply interruptions






3.2 STATISTIK GANGGUAN BEKALAN - SESBSTATISTICS OF SUPPLY INTERRUPTIONS - SESB

Gambarajah 17 : Bilangan Gangguan BekalanElektrik di Negeri Sabah untuk :i) Separuh Tahun Pertama 2008, 2009 dan 2010ii) Sepanjang Tahun 2006 Hingga 2009

Figure 17 : Numbers of Electricity Supply Interruptions in Sabah for : i) First Half Year of 2008, 2009 and 2010 ii) In the Year 2006 to 2009

05,000

10,00015,00020,00025,000

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

22,43620,006 19,484 18,227

9,901 8,841 9,203

N u

m b e r

Year

Unscheduled Interruptions in Sabah

01,000

2,0003,0004,000

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

3,321 3,583

2,4273,550

1,1231,711 1,773

N u m b e r

Year

Scheduled Interruptions in Sabah

05,000

10,00015,00020,00025,00030,000

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

25,757 23,589 21,911 21,777

11,024 10,552 10,976

N

u m b e r

Year

Total Interruptions in Sabah

Nota : Tidak termasuk gangguan pada sistem penghantaran dan penjanaanNote : Excluding interruptions in transmission and generation system






Gambarajah 18 : Purata Bilangan GangguanBekalan Elektrik Bulanan di Negeri Sabah untuk :

i) Separuh Tahun Pertama 2008, 2009 dan 2010ii) Sepanjang Tahun 2006 Hingga 2009

Figure 18 : Monthly Average of Electricity Supply Interruptions in Sabah for :


0

500

1,000

1,500

2,000

2,500 2,1461,966

1,826 1,815 1,8371,759 1,829

N u m b e r

Year






3.3 STATISTIK GANGGUAN BEKALAN – SEBSTATISTICS OF SUPPLY INTERRUPTIONS - SEB

Gambarajah 19 : Bilangan Gangguan BekalanElektrik di Negeri Sarawak untuk :i) Separuh Tahun Pertama 2008, 2009 dan


Figure 19 : Numbers of Electricity Supply Interruptions in Sarawak for : i) First Half Year of 2008, 2009 and 2010 ii) In the Year 2006 to 2009

0

2,000

4,0006,000

8,000

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

6,279 6,489 6,301 6,040

3,153 2,887 3,313

N u m b

e r

Year

Unscheduled Interruptions in Sarawak

0

5001,000

1,500

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

1,1301,426 1,816 1,828

940 891 789

N u m b e r

Year

Scheduled Interruptions in Sarawak

02,0004,0006,000

8,000

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

7,4097,915 8,117 7,868

4,093 3,778 4,102

N u m

b e r

Year

Total Interruptions in Sara wak






Gambarajah 20 : Purata Bilangan GangguanBekalan Elektrik Bulanan di Negeri Sarawak untuk :


Figure 20 : Monthly Average of Electricity Supply Interruptions in Sarawak for :


600

610

620

630640

650

660

670

680

690

660

676

656

682

630

684

N u m b e r

Year

`






3.4 STATISTIK GANGGUAN BEKALAN – NURSTATISTICS OF SUPPLY INTERRUPTIONS - NUR

Gambarajah 21 : Bilangan Gangguan BekalanElektrik di Kulim Hi-Tech Park (KHTP) yangdilaporkan oleh NUR Distribution Sdn. Bhd. untuk :i) Separuh Tahun Pertama 2008, 2009 dan


Figure 21 : Numbers of Electricity Supply Interruptions in Kulim Hi-Tech Park (KHTP) by NUR Distribution Sdn. Bhd. for : i) First Half Year of 2008, 2009 and 2010 ii) In the Year 2006 to 2009

0

20

40

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

3240

3530

19 12

22

N u m b e

r

Year

Unscheduled Interruptions of NUR Distribution Sdn. Bhd.

0

50

100

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

51

6556

70

2127 30

N u m b e r

Year

Scheduled Interruptions of NUR Distribution Sdn. Bhd.

0

50

100150

2006 2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

83 105 91 100

40 3952

N u m b e r

Year

Total Interruptions of NUR Distribution Sdn. Bhd.






Gambarajah 22 : Purata Bilangan GangguanBekalan Elektrik Bulanan di Kulim Hi-Tech Park

(KHTP) yang dilaporkan oleh NUR DistributionSdn. Bhd. untuk :i) Separuh Tahun Pertama 2008, 2009 dan


Figure 22 : Monthly Average of Electricity Supply Interruptions in Kulim Hi-Tech Park

(KHTP) Reported by NUR Distribution Sdn. Bhd.for : i) First Half Year of 2008, 2009 and 2010 ii) In the Year 2006 to 2009

0

2

4

6

8

10

7

9

88

7 7

9

N u m b e r

Year






3.5 SISTEM PENGAGIHAN TNBDISTRIBUTION SYSTEM OF TNB

3.5.1 SYSTEM AVERAGE INTERRUPTION DURATION INDEX (SAIDI)

Jadual 1 : SAIDI (Minit/Pelanggan/Tahun) bagiNegeri-Negeri di Semenanjung Malaysia untuk :i) Separuh Tahun Pertama 2008, 2009 dan


Table 1 : SAIDI (Minutes/Customer/Year) for the Various States in Peninsular Malaysia for : i) First Half Year of 2008, 2009 and 2010 ii) In the Year 2007 to 2009

Tahun

Year

Indek SAIDIKeseluruhan

Overall SAIDI (Minutes)

Negeri Paling TinggiIndeks SAIDI

State with Highest SAIDI

Negeri Paling Rendah IndeksSAIDI

State with Lowest SAIDI

2007 75.7 Pahang (108.4) WP Putrajaya/Cyberjaya (2.1)

2008 87.3 Johor (120.5) WP Putrajaya/Cyberjaya (6.6)

2009 66.1 P.Pinang (111.3) WP Putrajaya/Cyberjaya (0.2)

2008 (Jan-Jun) 37.5 Melaka (51.8) WP Putrajaya/Cyberjaya (5.9)

2009 (Jan-Jun) 33.9 Kelantan (52.8) WP Putrajaya/Cyberjaya (0.19)

2010 (Jan-Jun) 49.1 Perak (99.8) WP Putrajaya/Cyberjaya (7.8)

Gambarajah 23 : SAIDI (Minit/Pelanggan/Tahun) di Semenanjung Malaysia untuk Separuh TahunPertama 2010

Figure 23 : SAIDI (Minutes/Customer/Year) in Peninsular Malaysia for the First Half Year of 2010

0.00

20.00

40.00

60.00

80.00

100.00 87.3

66.1

37.534.0

49.1#

7.0 8.3 8.7 8.7 8.6 7.8

32.8&

6.5 5.8 5.4 5.1 5.1 5.1

SAIDI

Nota / Notes :# - Mulai Januari 2010, TNB telah mengambil langkah untuk mempertingkatkan sistem pelaporan SAIDI

yang lebih tepat dengan menggabungkan perisian-perisian TOMS , eCIBS dan ERMS . Perisian baru ini dipanggil Enhanced TOMS .From January 2010, TNB has taken steps to improve on the data collection and recording, with the integration of TOMS, eCIBS and ERMS into a new system called Enhanced TOMS.

& - SAIDI dikira menggunakan perisian lama (TOMS ).SAIDI calculated using old software namely TOMS.






3.5.2 SYSTEM AVERAGE INTERRUPTION FREQUENCY INDEX (SAIFI)

Gambarajah 25 : SAIFI (Bil. Gangguan/Pelanggan/Tahun) di Semenanjung Malaysia untuk

Separuh Tahun Pertama 2010Figure 25 : SAIFI (No. of Interruption/Customer/Year) in Peninsular Malaysia for the First Half

Year of 2010

0.00

0.20

0.40

0.60

0.80

1.00 0.87

0.76

0.38 0.39

0.63

0.070.10 0.12 0.13 0.11 0.10

SAIFI

Nota / Note : SAIFI pada tahun 2010 dikira menggunakan perisian baru (Enhanced TOMS )

SAIFI in 2010 is calculated using new software namely Enhanced TOMS

Gambarajah 25 : SAIFI (Bil. Gangguan/Pelanggan/Tahun) Terkumpul bagi Negeri-Negeri diSemenanjung Malaysia untuk Separuh Tahun Pertama 2008, 2009 dan 2010

Figure 25 : SAIFI (No. of Interruption/Customer/Year) for the Various States in Peninsular Malaysia for the First Half Year of 2008, 2009 and 2010

Pe rlis Kedah P. Pina ng Pe ra k Sela ngo rWP KualaLumpur

WP Putrajaya/ Cyberjaya

N. S emb ila n Me la ka Jo ho r P ah an g Te re ng ga nu K ela nt anPeninsularMalaysia

2008(Jan-June) 0.36 0.37 0.57 0.49 0.32 0. 1 0.02 0.30 0.45 0.40 0.36 0.44 0.45 0.38

2009(Jan-June) 0.29 0.48 0.67 0.44 0.28 0. 7 0.000 0.33 0.43 0.34 0.36 0.44 0.73 0.39

2010(Jan-June) 0.03 0.97 0.74 1.21 0.44 0.26 0.04 0.42 0.40 0.66 0.41 0.69 0.87 0.63

0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

SAIFI






3.5.3 CUSTOMER AVERAGE INTERRUPTION DURATION INDEX (CAIDI)

Gambarajah 27 : CAIDI (Minit/Pelanggan Terlibat/Tahun) di Semenanjung Malaysia untuk

Separuh Tahun Pertama 2010Figure 27 : CAIDI (Minutes/Interrupted Customer/Year) in Peninsular Malaysia for the First Half

Year of 2010

0.00

20.00

40.00

60.00

80.00

100.00

120.00100.7

86.8

97.1

87.1

77.9

99.6

82.8

72.767.2

78.3 77.5

CAIDI

Gambarajah 28 : CAIDI (Minit/Pelanggan Terlibat/Tahun) Terkumpul bagi Negeri-Negeri diSemenanjung Malaysia untuk Separuh Tahun Pertama 2008, 2009 dan 2010

Figure 28 : CAIDI (Minutes/Interrupted Customer/Year) for the Various States in Peninsular Malaysia for the First Half Year of 2008, 2009 and 2010

Perlis Keda h P. Pinan g Pe rak Selango rWP KualaLumpur

WPPutrajaya/ Cyberjaya

N . Sembi lan Melak a J ohor Pahang Terengganu Ke lantanPeninsularMalaysia

2008(Jan-June) 78.51 101.47 66.09 57.54 99.96 122.45 381.26 115.02 116.07 121.68 97.07 59.14 86.79 97.08

2009(Jan-June) 91.5 90.15 69.42 71.36 102.71 89.41 94 121.31 61.50 114.66 95.32 48.83 72.64 87.07

2010(Jan-June) 78.99 75.62 81.01 82.40 90.70 95.80 205.23 94.73 91.37 76.73 86.78 47.63 50.75 77.87

0.0

50.0

100.0

150.0

200.0

250.0

300.0

350.0

400.0

CAIDI(in Minutes)


Supply interruptions on 14 May2008 caused by third partiesworks (damage to cables).





3.6 SISTEM PENGAGIHAN SESBDISTRIBUTION SYSTEM OF SESB


Gambarajah 29 : SAIDI (Minit/Pelanggan/Tahun) diNegeri Sabah untuk :i) Separuh Tahun Pertama 2008, 2009 dan


Figure 29 : SAIDI (Minutes/Customer/Year) in Sabah for : i) First Half Year of 2008, 2009 and 2010 ii) In the Year 2007 to 2009

0

500

1000

1500

2000

2500

3000

2007 2008 2009 2008

(Jan-June)

2009

(Jan-June)

2010

(Jan-June)

1,379

1,078

739580

423 271

607778

2,129

421

709

243

1,9871,856

2,868

1,0011,132

513

SAIDI

Year

Distr ibution Transmission & Generation Total SA IDI






3.6.2 SYSTEM AVERAGE INTERRUPTION FREQUENCY INDEX (SAIFI)

Gambarajah 30 : SAIFI (Bil.Gangguan/Pelanggan/Tahun) di Negeri Sabahuntuk :i) Separuh Tahun Pertama 2008,2 009 dan


Figure 30 : SAIFI (No’s of Interruption/Customer/Year) in Sabah for : i) First Half Year of 2008, 2009 and 2010 ii) In the Year 2007 to 2009

0.00

5.00

10.00

15.00

20.00

25.00

30.00

35.00

40.00

2007 2008 2009 2008

(Jan-June)

2009

(Jan-June)

2010

(Jan-June)

23.9

20.1

16.9

10.39.0 8.38.5 8.3

19.1

4.66.6

3.1

32.3

28.4

36.0

14.9 15.6

11.4

SAIFI

Year

Distr ibution Transmission & Generation Total SA IFI






3.6.3 CUSTOMER AVERAGE INTERRUPTION DURATION INDEX (CAIDI)

Gambarajah 31 : CAIDI (Minit/PelangganTerlibat/Tahun) bagi Negeri Sabah untuk :i) Separuh Tahun Pertama 2008, 2009 dan 2010ii) Sepanjang Tahun 2007 Hingga 2009

Figure 31 : CAIDI (Minutes/Interrupted Customer/Year) in Sabah for : i) First Half Year of 2008, 2009 and 2010 ii) In the Year 2007 to 2009

0.00

20.00

40.00

60.00

80.00

100.00

120.00

2007 2008 2009 2008

(Jan-June)

2009

(Jan-June)

2010

(Jan-June)

57.853.5

43.6

56.6

47.0

32.8

71.9

94.3

111.4

91.0

107.9

78.2

61.565.4

79.6

67.372.7

45.2

CAIDI

(in Minutes)

Year

Distr ibution Transmission & Generation Total CA IDI






3.7 SISTEM PENGAGIHAN SEBDISTRIBUTION SYSTEM OF SEB


Gambarajah 32 : SAIDI (Minit/Pelanggan/Tahun)SEB untuk :i) Separuh Tahun Pertama 2008, 2009 dan


Figure 32 : SAIDI (Minutes/Customer/Year) of SEB for : i) First Half Year of 2008, 2009 and 2010 ii) In the Year 2007 to 2009

0

50

100

150

200

250

300

350303

273

216

139117 99

SAIDI

Year






3.8 SISTEM PENGAGIHAN NURDISTRIBUTION SYSTEM OF NUR


Gambarajah 33 : SAIDI Keseluruhan dan Industri(Untuk Pengguna Voltan Tinggi) di Kulim Hi-TechPark (KHTP) yang dilaporkan oleh NURDistribution Sdn. Bhd. untuk :i) Separuh Tahun Pertama 2008, 2009 dan


Figure 33 : Total SAIDI and Industrial SAIDI (for High Voltage Customers only) in Kulim Hi-Tech Park (KHTP) Reported by NUR Distribution Sdn.Bhd. for : i) First Half Year of 2008, 2009 and 2010 ii) In the Year 2007 to 2009

0

20

40

60

80

100

120

140

2006 2007 2008 2009 2010 (Jun)

125

49

2.50 2.82 6.081.091 2.889

0 0.154 0

SAIDI

Year

Overall SAIDI Industrial SAIDI

SAIDI was high because there were twofaults on 11 kV cables, each affecting

number of customers. One of the se faultswas caused by a third party digging up

the cable.

There were two faultson 11 kV cables.






3.9 PRESTASI SISTEM PENGHANTARAN DI SEMENANJUNG MALAYSIAPERFORMANCE OF TRANSMISSION SYSTEM IN PENINSULAR

MALAYSIA

Jadual 2 : Statistik Pelantikan Sistem Penghantaran dengan Kehilangan Beban50 MW Ke Atas untuk Separuh Tahun Pertama 2009

Table 2 : Statistics of Transmission System Tripping with a Load Loss of 50 MW and Above for the First Half Year of 2010

Perkara / Indicators Jan Feb Mar Apr May June

Bilangan Pelantikan

No. of Tripping without Load Shedding 0 1 0 0 0 1

Bilangan Lucutan Beban

No. of Tripping with Load Shedding 0 0 0 0 0 0

Kehilangan Beban Maksimum (MW)

Maximum Load Loss (MW)56 61.5

Tenaga Yang Tidak Dibekalkan SemasaPelantikan (MWj)

Unsupplied Energy due to Tripping (MWh)

112.1 57.3

Purata Tenaga Tidak Dibekalkan SetiapPelantikan (MWj)

Average Unsupplied Energy per Trip (MWh)

112.1 57.3

Purata Tempoh Setiap Pelantikan(Jam:Minit)

Average Duration per Trip (Hour)

2:00 0:56

Tenaga Tidak Dibekalkan SemasaLucutan Beban (MWj)

Unsupplied Energy During Load Shedding (MWh)

0 0 0 0 0 0






Gambarajah 34 : Bilangan Pelantikan SistemPenghantaran di Semenanjung Malaysia denganKehilangan Beban 50 MW ke Atas untuk :i) Separuh Tahun Pertama 2008, 2009 dan


Figure 34 : Number of Transmission System Tripping in Peninsular Malaysia with a Load Loss of 50 MW and Above for : i) First Half Year of 2008, 2009 and 2010 ii) In the Year 2007 to 2009

0

1

2

3

4

5

6

78

9

2007 2008 2009 2008

(Jan-June)

2009

(Jan-June)

2010

(Jan-June)

9

6

2

4

0

2

1

0 0 0 0 0

N o .

o f I n c i d e n t s

Year

No. of Tripping without Load Shedding

No. of Tripping with Load Shedding






4.1 PUNCA GANGGUAN BEKALAN ELEKTRIK – TNBCAUSES OF ELECTRICITY SUPPLY INTERRUPTIONS - TNB

Gambarajah 35 : Punca-Punca Gangguan Bekalan Elektrik Tidak Berjadual diSemenanjung Malaysia

Figure 35 : Causes of Unscheduled Electricity Supply Interruptions in Peninsular Malaysia

2010 (Jan-June)

Natural

disasters*0.10%

Equipment

Failures2.05% Damaged by

Third Parties

13.50%

Process and

Quality ofWork#56.70%

Unknown15.50%

Trees

10.00%

Others##

2.15%

Total of Interruptions = 49,800

(2007-2009)

Naturaldisasters*12.79%

EquipmentFailures2.22%

Damaged byThird Parties

13.59%

Process andQuality of

Work#44.80%

Unknown13.63%

Trees7.69%

Others##5.28%


4.0 PUNCA GANGGUAN BEKALAN ELEKTRIKCAUSES OF ELECTRICITY SUPPLY INTERRUPTIONS

Nota :

* (angin, ribut, banjir, tanahruntuh dan lain-lain);

## (Pepasangan kena langgar,kecacatan rekabentuk,kerosakan geganti, transient overload , shorting ,pencerobohan/perbuatankhianat)

# (sambungan tidak baik, mutukerja, beban lampau dansenggaraan)

Notes :

* (wind, storm, flood, land slides and etc.);

## (ageing of insulation, design defect, relay malfunction, transient overload,encroachment/vandalism,maloperation of protection)

# (loose contact, quality of work,overloading and maintenance)





4.2 PUNCA GANGGUAN BEKALAN ELEKTRIK – SESBCAUSES OF ELECTRICITY SUPPLY INTERRUPTIONS - SESB

Gambarajah 36 : Punca-Punca Gangguan Bekalan Elektrik Tidak Berjadual diNegeri Sabah

Figure 36 : Causes of Unscheduled Electricity Supply Interruptions in Sabah

2010 (Jan-June)

NaturalDisasters*

8.6%

Overload7.6%

Third PartyDamage10.8%

Trees15.9%

InstallationFault/Damage

37.2%

Others/No DataKey in/Shut

Down10.3%

Unknown8.4%

Transient1.2%


(2007 – 2009)

Natural Disasters*10.8%

Overload7.5%


Trees15.8%

InstallationFault/Damage

22.6%

Others/No DataKey in/Shut Down

7.9%

Unknown19.3%

Transient3.1%


Nota : * (angin, ribut, banjir, tanah runtuh dan lain-lain)

Note : * (wind, storm, flood, land slides and etc.)






4.3 PUNCA GANGGUAN BEKALAN ELEKTRIK – SEBCAUSES OF ELECTRICITY SUPPLY INTERRUPTIONS - SEB

Gambarajah 37 : Punca-Punca Gangguan Bekalan Elektrik Tidak Berjadual SEBFigure 37 : Causes of Unscheduled Electricity Supply Interruptions of SEB

2010 (Jan-June)


Overload10.2%

IncorrectOperation /

Settings0.2%

EquipmentFailures20.9%


Transient47.2%

Others8.6%


(2007 – 2009)


Overload5.5%

Incorrect Operation / Settings

0.2%

Equipment Failures

25.7%


Transient42.5%

Others12.2%

Total Interruptions = 18,830


Note : * (wind, storm, flood, land slides and etc.)






4.4 PUNCA GANGGUAN BEKALAN ELEKTRIK – NURCAUSES OF ELECTRICITY SUPPLY INTERRUPTION - NUR

Gambarajah 38 : Punca-Punca Gangguan Bekalan Elektrik Tidak Berjadual NURDistribution

Figure 38 : Causes of Unscheduled Electricity Supply Interruptions of NUR Distribution

2010 (Jan-June)

EquipmentFailure22.7%

Overload31.8%

InferiorWorkmanship

31.8%


Total Interruptions = 22

(2007-2009)


Equipment Failure

31.4%

Overload13.3%

IncorrectOperation/ Settings1.87%

InferiorWorkmanship

28.6%

Third Party

Damage19.0% Others

1.0%

Total Interruptions = 105


Note : * (wind, storm. Flood, land slides and etc.)






5.1 INSIDEN VOLTAGE DIPS – TNBINCIDENTS OF VOLTAGE DIPS - TNB

Gambarajah 39 : Bilangan Insiden Voltage Dips yang dilaporkan di Kawasan-KawasanPerindustrian Utama di Semenanjung Malaysia untuk Separuh Tahun Pertama 2008, 2009 dan

2010Figure 39 : Number of Voltage Dips Incidents Reported in Major Industrial Estates in Peninsular

Malaysia for the First Half Year of 2008, 2009 and 2010

5

0 05

10 0

3

14

0

5

16

24

73

6

0 02

0 0 0

17

11

0 2

75

50

10 0 0 0 1

3

9 9

04

11

18

56

0

20

40

60

80

N o .


Industrial Areas

2008 (Jan-Jun) 2009 (Jan-Jun) 2010 (Jan-Jun)

5.0 KUALITI BEKALAN(POWER QUALITY)





Gambarajah 40 : Bilangan Pengguna Terlibat dalam Insiden Voltage Dips untuk Separuh TahunPertama 2008, 2009 dan 2010

Figure 40 : Number of Customers in the Major Industrial Estates Affected by Voltage Dips for the First Half Year of 2008, 2009 and 2010

60 0

81 0 0 3

22

08

30

70

148

70 0 2 0 0 0

2216

0 27 10

66

1 0 0 0 0 1 3

13 16

0 4

16

38

92

0

20

40

60

80

100

120

140

160

T o t a l

C u s t o m e r s A f f e c t e d

Industrial Areas

2008 (Jan-Jun) 2009 (Jan-Jun) 2010 (Jan-Jun)






5.3 INSIDEN VOLTAGE DIPS – KULIM HI-TECH PARK (KHTP)INCIDENTS OF VOLTAGE DIPS – KULIM HI-TECH PARK (KHTP)

Gambarajah 41 : Bilangan Insiden Voltage Dips di KHTP yang dilaporkan oleh NUR DistributionSdn. Bhd. Untuk Separuh Tahun Pertama 2008 Hingga 2010

Figure 41 : Number of Voltage Dips in Kulim Hi-Tech park Reported by NUR Distribution Sdn.Bhd. For the First Half Year of 2008 to 2010

0

2

4

6

8

10

12

14

16

Jan Feb Mar Apr May Jun TotalIncidents

(Jan-June)

4

1

3

1

2

4

15

1

3 3

0

4

5

16

3

01

0

1

4

9

N o . o f I n c i d e n t s R e p o r t e d

Month







Gambarajah 42 : Bilangan Pengguna Terlibat Dalam Insiden Voltage Dips di KHTP UntukSeparuh Tahun Pertama 2008 Hingga 2010

Figure 42 : Number of Customers in Kulim Hi-Tech Park Affected by Voltage Dips For the First Half Year of 2008 to 2010

0

2

4

6

8

10

12

14

16

18

Jan Feb Mar Apr May Jun TotalCustomers

Affected(Jan-June)

2

0 0 0

12

3

17

0 0

18

0 0 0

18

12

00 0 0

2

14

N o . o f C u s t o m e r s A f f e c t e d

R e p o r t e d

Month







Gambarajah 43 : Insiden Voltage Dips yangdilaporkan Menjejaskan Bekalan KepadaPengguna di KHTP untuk :



Figure 43 : Incidents of Voltage Dips Affecting Consumers in KHTP for : i) First Half Year of 2008, 2009 and 2010

ii) In the Year 2007 to 2009

0

10

20

30

40

2007 2008 2009 2008 (Jan-June) 2009 (Jan-June) 2010 (Jan-June)

1 1 2 0 0 1

26 26

29

15 16

8

N o .


Year

External (Originated from TNB's Transmission System)

Internal (Originated from NUR's Distribution System)

Gambarajah 44 : Pecahan Bilangan InsidenVoltage Dips yang Melibatkan Pengguna untuk :

i) Separuh Tahun Pertama 2008, 2009 dan2010ii) Sepanjang Tahun 2007 Hingga 2009

Figure 44 : Number of Voltage Dips Incidents Affecting Customers and Not Affecting

Customers in KHTP for : i) First Half Year of 2008, 2009 and 2010 ii) In the Year 2007 to 2009

0

5

10

15

20

25

30

35

2007 2008 2009 2008(Jan-June)

2009(Jan-June)

2010(Jan-June)

16

9

54

1 2

11 18

26

11 15

7

No. of Dips

Year

Voltage Dips Not affecting customers

Voltage Dips affecting customers






Gambarajah 45 : Taburan Insiden Voltage Dips di KHTP Pada Tahun 2007 Hingga 2010

(Sehingga Jun) Berdasarkan Standard IEC 61000-4-11 (Class 3)Figure 45 : Incidents of Voltage Dips in KHTP for Year 2007 to 2010 (as at June) Plotted Base on

IEC 61000-4-11 (Class 3)

0.0

10.0

20.0

30.0

40.0

50.0

60.0

70.0

80.0

90.0

100.0

0 400 800 1200 1600 2000 2400 2800 3200 3600 4000

P e r c e n t o f E q u i p m e n t N o m i n a l V o l t a g e ( % )

Duration (milliseconds)

Nur-2007 Nur-2008 Nur-2009 Nur-2010

Customer's Resposibility

Utility's Resposibility

20





Gambarajah 46 : SARFI70 Bagi NUR untuk :


Figure 46 : SARFI 70 of NUR for :


0 0

1

0 0

1

4

2

1

1 1

0

0

1

2

3

4

5

2007 2008 2009 2008 (Jan-June) 2009 (Jan-June) 2010 (Jan-June)

Internal Causes External Causes

Disediakan oleh : Jabatan Kawal Selia Pembekalan dan Pasaran Elektrik

Suruhanjaya Tenaga

Prepared by : Electricity Supply and Market Regulation Department

Energy Commission


interim report on the performance of the electricity supply services in malaysia

Documents