generation and reservoirs statistics
TRANSCRIPT
Generation and Reservoirs StatisticsOctober 10, 2021
PUBLIC UTILITIES COMMISSION OF SRI LANKA
Daily Generation Mix in MWh
Total Generation 36,401 MWh
Cumulative Dispatch
For Current MonthCategory Dispatch (GWh)
CEB Hydro 177.4 45.79%
CEB Thermal Oil 31.3 8.07%
CEB Coal 127.8 32.97%
IPP Thermal 27.4 7.06%
SPP Wind 8.3 2.14%
CEB Wind 11.2 2.90%
SPP Solar 2.4 0.62%
SPP Waste Heat 1.8 0.46%
Total 387.5
For Current YearCategory Dispatch (GWh)
CEB Hydro 3,868.1 34.00%
CEB Thermal Oil 1,006.8 8.85%
CEB Coal 4,634.2 40.74%
IPP Thermal 1,255.5 11.04%
SPP Wind 190.2 1.67%
CEB Wind 262.5 2.31%
SPP Solar 76.0 0.67%
SPP Waste Heat 28.9 0.25%
Total 11,376.3
Note: Above data is Excluding contribution from Roof Top Solar, 1MW solar, Mini Hydro plants and Biomass/ waste
heat (except 10 MW Waste heat plant at Kerawalapitiya) plants
Note: Following data is Excluding contribution from Roof Top Solar, 1MW solar, Mini Hydro plants and Biomass/ waste
heat (except 10 MW Waste heat plant at Kerawalapitiya) plants
14.8 41%
4.4 12%
13.4 37%
0.5 2%
1.2 3%
1.6 4%
0.3 1%
0.1 0%
CEB HydroCEB Thermal OilCEB CoalIPP ThermalSPP WindCEB WindSPP SolarWasteheat
CEB owned Thermal Plant Dispatch
Available Generation is estimated based on plant availability at 6.00am on
CEB owned Tharmal Plant Loading at the Night Peak
Note- Plant avilability is recorded at 6.00 am on October 11, 2021
October 10, 2021
October 11, 2021
0
1000
2000
3000
4000
5000
6000
7000MWh
Rated Daily Generation Capacity Available Generation Actual generation
0
50
100
150
200
250
300MW
Installed Capacity Available Capacity Night Peak Load
IPP owned Thermal Plant Dispatch
Available Generation is estimated based on plant availability at 6.00am on
IPP owned Tharmal Plant Loading at the Night Peak
Note- Plant avilability is recorded at 6.00 am on October 11, 2021
October 10, 2021
ACE Embilipitiya, ACE Matara, Asia Power, V Power Pallekale, Vpower Galle, V Power Horana, Vpower Hambantota and
Altaqa Mahiyanganaya are not available due to expiration of PPAs
October 11, 2021
0
1000
2000
3000
4000
5000
6000
7000
AES - Kelanitissa Westcoast Vpower-Valach.
MWh
Rated Daily Generation Capacity Available Generation Actual generation
0
50
100
150
200
250
300
AES - Kelanitissa Westcoast Vpower-Valach.
MW
Installed Capacity Available Capacity Night Peak Load
Major Hydro Plant Dispatch
Note- Available Generation is estimated based on plant availability at 6.00am on
Major Hydro Plant Loading at Night Peak
Note- Plant avilability is recorded at 6.00 am on October 11, 2021
October 10, 2021
October 10, 2021
October 11, 2021
0
1000
2000
3000
4000
5000
6000MWh
Rated Daily Generation Capacity Available Generation Actual generation
0
50
100
150
200
250MW
Installed Capacity Available Capacity Night Peak Load
Summary of Major Plant performance
Plant Installed Capacity Plant Availability Night peak Load Plant Dispatch
(MW) (MW) (MW) (GWh)
Wimalasurendra 50.00 50.00 20.00 268.00
Old Laxapana 53.80 55.00 53.50 881.00
Canyon 60.00 60.00 30.00 723.00
New Laxapana 116.00 100.00 50.00 1,189.00
Polpitiya 75.00 90.00 64.40 1,419.00
Kotmale 201.00 134.00 123.00 2,280.00
Victoria 210.00 156.00 80.00 1,908.00
Randenigala 122.00 120.00 113.00 1,047.00
Rantambe 49.00 50.00 49.00 436.00
Ukuwela 37.00 36.00 35.00 855.00
Bowatenna 40.00 38.00 39.00 320.00
Upper Kotmale 150.00 150.00 150.00 1,582.00
Nilambe 3.20 3.20 1.60 46.00
Samanalawewa 120.00 120.00 90.00 729.00
Kukule 75.00 75.00 76.20 1,118.00
Inginiyagala 11.25 11.25 - -
Udawalawe 6.00 4.00 - -
Puttalam Coal I 275.00 270.00 269.00 6,448.00
Puttalam Coal II 275.00 270.00 269.00 6,407.00
Puttalam Coal III 275.00 270.00 - 576.00
KPS Small GTs 65.20 34.00 - -
KPS GT 7 113.00 115.00 114.00 170.00
KCCP 161.00 110.00 102.00 1,070.00
Sapugaskanda A 69.60 51.00 51.00 429.00
Sapugaskanda B 69.60 54.00 54.00 1,109.00
Uthura Janani 26.01 16.00 15.60 314.00
Barge CEB 60.00 60.00 61.00 1,311.00
CEB-Thulhiriya 10.00 8.00 - -
CEB-Kolonnawa 20.00 14.40 - -
CEB-Mathugama 20.00 15.80 - -
AES - Kelanitissa 163.00 163.00 - -
Westcoast 270.00 270.00 139.00 534.00
Vpower-Valach. 24.00 - - -
Solar 68.00 - 312.00
Wind 248.00 114.90 2,805.00
MH and BM 441.00 83.00 Not available
Total without NCRE 3,538.46 2,973.65
Night peak load of MH and BM only include loading of Minihydro plants of total capacity MW 181
Installed capacity of Solar, wind, Mini-hydro and Biomass plants are as of end of December 2019
Plant availability is the availability recorded at 6 am on October 11, 2021
Contribution to the Night Peak in MW
Night Peak* 2,162.1 MW
Day Peak 1,570.3 MW
Minimum Demand 1,273.5 MW
Notes:
* in addition to the night peak figure presented above, Kerawalapitiya waste heat plant, other MiniHydro and Biomass
Plants of installed capacity 181.00 MW has recorded total 88.90 MW at night peak
Reservoir Levels - as at 06.00 Hr on October 11, 2021
Total Reservoir Level(GWh) 1000.8
% of Total capacity 83.1%
Above figures are excluding contribution from Roof Top Solar, 1MW solar, certain Wind plants and all Mini Hydro
plants and Biomass plants
October 10, 2021
974.5 45%
395.8 18%
537.5 25%
139.4 6%
32.0 2%
82.9 4%
CEB Hydro
CEB Thermal Oil
CEB Coal
IPP Thermal
IPP Wind
CEB Wind
85% 99%
80% 83% 81%
53%
80.2
281.8
114.1
367.4
86.9 70.4
0
50
100
150
200
250
300
350
400
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
Castlereigh Maussakelle Kotmale Victoria Randenigala Samanalawewa
% of Total Capacity Reservoir level (GWh)
Comparison of Total Reservoir Storage Levels with Past Years
Data for 2018 and 2019 are only available for part of year.
Variation of Major Hydro Reservoir Levels in the current year (GWh)
0.0
200.0
400.0
600.0
800.0
1000.0
1200.0
1400.0
1-Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep 1-Oct 1-Nov 1-Dec
GWh
2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
0.0
200.0
400.0
600.0
800.0
1000.0
1200.0
1/1/21 2/1/21 3/1/21 4/1/21 5/1/21 6/1/21 7/1/21 8/1/21 9/1/21 10/1/21
GWh
Castlereigh Maussakelle Kotmale Victoria Randenigala Samanalawewa
Variation of Demand during the current year
Notes:
Day peak and minimum demand graphs includes the contribution from Moragahakanda power plant
All graphs include the contribution from telemetered solar and wind plants
Daily Load Curve of the Previous daySolar and wind data is based on Telemetered Power Stations only
The night peak is excluding the contribution from Minihydro and biomass power plants
October 9, 2021
0
500
1000
1500
2000
2500
0:1
5
1:0
0
1:4
5
2:3
0
3:1
5
4:00
4:4
5
5:3
0
6:1
5
7:0
0
7:4
5
8:3
0
9:1
5
10:0
0
10:4
5
11:3
0
12:1
5
13:0
0
13:4
5
14:3
0
15:1
5
16:0
0
16:4
5
17:3
0
18:1
5
19:0
0
19:4
5
20:3
0
21:1
5
22:0
0
22:4
5
23:3
0
MW
Coal Oil- CEB owned Oil-IPP owned Major Hydro Wind Solar Wasteheat
0.0
500.0
1000.0
1500.0
2000.0
2500.0
3000.0
1-Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep 1-Oct 1-Nov 1-Dec
MW
Nigh Peak Day Peak Minimum Demand
Coal Generation during the Previous day
CEB Oil Plant Generation during the Previous day
October 9, 2021
October 9, 2021
0
100
200
300
400
500
600
0:1
5
1:0
0
1:45
2:3
0
3:15
4:0
0
4:4
5
5:3
0
6:1
5
7:0
0
7:4
5
8:3
0
9:1
5
10
:00
10
:45
11
:30
12
:15
13
:00
13
:45
14
:30
15
:15
16
:00
16
:45
17
:30
18
:15
19
:00
19
:45
20
:30
21
:15
22
:00
22
:45
23
:30
MW Coal
0
50
100
150
200
250
300
350
0:1
5
1:0
0
1:4
5
2:3
0
3:1
5
4:0
0
4:4
5
5:3
0
6:1
5
7:0
0
7:4
5
8:3
0
9:1
5
10
:00
10
:45
11
:30
12
:15
13
:00
13
:45
14
:30
15
:15
16
:00
16
:45
17
:30
18
:15
19
:00
19
:45
20
:30
21
:15
22
:00
22
:45
23
:30
MW Oil- CEB owned
IPP Oil Plant Generation during the Previous day
Major Hydro Generation during the Previous day
October 9, 2021
October 9, 2021
0
50
100
150
200
250
3000
:15
1:0
0
1:4
5
2:3
0
3:1
5
4:0
0
4:4
5
5:3
0
6:1
5
7:0
0
7:4
5
8:3
0
9:1
5
10
:00
10
:45
11
:30
12
:15
13
:00
13
:45
14
:30
15
:15
16
:00
16
:45
17
:30
18
:15
19
:00
19
:45
20
:30
21
:15
22
:00
22
:45
23
:30
MW Oil-IPP owned
0
200
400
600
800
1000
1200
0:1
5
1:0
0
1:4
5
2:3
0
3:1
5
4:0
0
4:4
5
5:3
0
6:1
5
7:0
0
7:4
5
8:3
0
9:1
5
10:0
0
10:4
5
11:3
0
12:1
5
13:0
0
13:4
5
14:3
0
15:1
5
16:0
0
16:4
5
17:3
0
18:1
5
19:0
0
19:4
5
20:3
0
21:1
5
22:0
0
22:4
5
23:3
0
MW Major Hydro
Wind Generation during the Previous day
Solar Generation during the Previous day
Based on Telemetered Power Stations only
October 9, 2021
October 9, 2021
Based on Telemetered Power Stations only
0
20
40
60
80
100
120
140
160
1800
:15
1:0
0
1:4
5
2:3
0
3:1
5
4:0
0
4:4
5
5:3
0
6:1
5
7:0
0
7:4
5
8:3
0
9:1
5
10
:00
10
:45
11
:30
12
:15
13
:00
13
:45
14
:30
15
:15
16
:00
16
:45
17
:30
18
:15
19
:00
19
:45
20
:30
21
:15
22
:00
22
:45
23
:30
MW Wind
0
5
10
15
20
25
30
35
0:1
5
1:0
0
1:4
5
2:3
0
3:1
5
4:0
0
4:4
5
5:3
0
6:1
5
7:0
0
7:4
5
8:3
0
9:1
5
10:0
0
10:4
5
11:3
0
12:1
5
13:0
0
13:4
5
14:3
0
15:1
5
16:0
0
16:4
5
17:3
0
18:1
5
19:0
0
19:4
5
20:3
0
21:1
5
22:0
0
22:4
5
23:3
0
MW Solar
Thermal Plant Fuel types
Power Station Primary Fuel Power Station Primary Fuel
CEB Thermal Private Thermal
Sapugaskanda 1 Heavy Fuel Sojitz - Auto Diesel
Sapugaskanda 2 Heavy Fuel West CoastLow Sulphur
Furnace oil
Kelanitissa Small Gas
TurbinesAuto Diesel
GT 7 - Kelanitissa Auto Diesel
Kelanitissa CCY Naptha & Diesel
Lakvijaya 1 Coal
Lakvijaya 2 Coal
Lakvijaya 3 Coal
Uthuru Janani Heavy Fuel
Barge CEB Furnace Oil
Major Incidents during the day -as reported by CEB morning of
October 11, 2021