Generation Report July 2015
PUBLIC UTILITIES COMMISSION OF SRI LANKA
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Generation Report (July 2015)
Generation Mix (July 2015) in GWh
61 194 (6%) 283 (18%) (26%) CEB Hydro CEB Thermal Oil 158 CEB Coal 374 (15%) (35%) IPP Thermal SPP Wind
Total Generation - 1,070GWh
Generation Mix 2015 in GWh
584 597 (8%) (8%) 2,645 (36%) CEB Hydro CEB Thermal Oil
3,042 CEB Coal 512 (41%) (7%) IPP Thermal Renewable
Total Generation - 7,380GWh
Note: Generation from Mini Hydro, Solar and Biomass power plants in June and July is not included in renewable generation figure.
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Monthly Dispatch from all Generation Units (July 2015)
Power Station Capacity (MW) Dispatch (GWh) Plant Factor Wimalasurendra 50 2.19 5.89% Old Laxapana 53.5 13.90 34.93% Canyon 60 7.28 16.31% New Laxapana 115 32.11 37.53% Polpitiya 75 23.33 41.81% Kotmale 201 33.84 22.63% Victoria 210 16.67 10.67% Randenigala 122 30.14 33.20% Rantambe 49 12.12 33.25% Ukuwela 40 23.71 79.65% Bowatenna 40 5.35 17.99% Upper Kotmale 150 33.93 30.40% Samanalawewa 120 10.71 11.99% Kukule 75 29.92 53.63% Inginiyagala 10 5.96 80.06% Udawalawe 6 1.71 38.40% Nilambe 3.2 0.28 11.61%
KPS Small GTs 85 0.001 0.00% KPS GT 7 115 1.55 1.82% KCCP 165 93.56 76.21% Sapugaskanda A 72 22.73 42.43% Sapugaskanda B 72 29.35 54.78% New Chunnakam 24 10.94 61.28% Puttalam Coal I 285 29.08 13.71% Puttalam Coal II 285 153.81 72.54% Puttalam Coal III 285 191.33 90.23%
Asia Power 51 16.70 44.03% AES - Kelanitissa 163 32.60 26.89% Westcoast 270 144.53 71.95% Northern Power 27 0.00 0.00%
SPP Wind 128.45 60.70 63.52%
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Wimalasurendra Power Station (50MW)
GWh Monthly Generation 18
16
14
12
10
8
6
4
2
0 Jan Feb Mar Apr May Jun Jul
Old Laxapana Power Station (53.5MW)
Monthly Generation GWh 40
35
30
25
20
15
10
5
0 Jan Feb Mar Apr May Jun Jul
3
Canyon Power Station (60MW)
Monthly Generation GWh 20
18
16
14
12
10
8
6
4
2
0 Jan Feb Mar Apr May Jun Jul
New Laxapana Power Station (115MW)
Monthly Generation GWh 60
50
40
30
20
10
0 Jan Feb Mar Apr May Jun Jul
4
Kotmale Power Station (201MW)
Monthly Generation GWh 50
45
40
35
30
25
20
15
10
5
0 Jan Feb Mar Apr May Jun Jul
Polpitiya Power Station (75MW)
Monthly Generation GWh 40
35
30
25
20
15
10
5
0 Jan Feb Mar Apr May Jun Jul
5
Victoria Power Station (210MW)
Monthly Generation GWh 120
100
80
60
40
20
0 Jan Feb Mar Apr May Jun Jul
Randenigala Power Station (122MW)
Monthly Generation GWh 60
50
40
30
20
10
0 Jan Feb Mar Apr May Jun Jul
6
Rantambe Power Station (49MW)
Monthly Generation GWh 30
25
20
15
10
5
0 Jan Feb Mar Apr May Jun Jul
Ukuwela Power Station (40MW)
Monthly Generation GWh 25
20
15
10
5
0 Jan Feb Mar Apr May Jun Jul
7
Bowatenna Power Station (40MW)
Monthly Generation GWh 12
9
6
3
0 Jan Feb Mar Apr May Jun Jul
Upper Kotmale Power Station (150MW)
Monthly Generation GWh 45
40
35
30
25
20
15
10
5
0 Jan Feb Mar Apr May Jun Jul
8
Samanalawewa Power Station (120MW)
Monthly Generation GWh 70
60
50
40
30
20
10
0 Jan Feb Mar Apr May Jun Jul
Kukuleganga Power Station (75MW)
Monthly Generation GWh 30
25
20
15
10
5
0 Jan Feb Mar Apr May Jun Jul
9
Inginiyagala Power Station (10MW)
Monthly Generation GWh 7
6
5
4
3
2
1
0 Jan Feb Mar Apr May Jun Jul
Udawalawa Power Station (6MW)
Monthly Generation GWh 3
2
1
0 Jan Feb Mar Apr May Jun Jul
10
Nilambe Power Station (3.2MW)
Monthly Generation GWh 1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0 Jan Feb Mar Apr May Jun Jul
Kelanitissa Power Station Small GTs (68MW)
Monthly Generation GWh 0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.00 Jan Feb Mar Apr May Jun Jul
11
Kelanitissa Power Station GT 7 (115MW)
Monthly Generation GWh 1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0 Jan Feb Mar Apr May Jun Jul
Kelanitissa Power Station Combined Cycle (165MW)
Monthly Generation GWh 100
90
80
70
60
50
40
30
20
10
0 Jan Feb Mar Apr May Jun Jul
12
Sapugaskanda Power Station - A (72MW)
Monthly Generation GWh 25
20
15
10
5
0 Jan Feb Mar Apr May Jun Jul
Sapugaskanda Power Station - B (72MW)
Monthly Generation GWh 30
25
20
15
10
5
0 Jan Feb Mar Apr May Jun Jul
13
New Chunnakam Power Station (24MW)
Monthly Generation GWh 14
12
10
8
6
4
2
0 Jan Feb Mar Apr May Jun Jul
Puttalam Coal Power Station (285x3MW)
Monthly Generation GWh 600
500
400
300
200
100
0 Jan Feb Mar Apr May Jun Jul
14
Asia Power (51MW)
Monthly Generation GWh 18
16
14
12
10
8
6
4
2
0 Jan Feb Mar Apr May Jun Jul
Colombo Power - Barge (60MW)
Monthly Generation GWh 35
30
25
20
15
10
5
0 Jan Feb Mar Apr May Jun Jul
15
AES Kelanitissa Power Station (163MW)
Monthly Generation GWh 35
30
25
20
15
10
5
0 Jan Feb Mar Apr May Jun Jul
ACE Power - Embilipitiya (100MW)
Monthly Generation GWh 45
40
35
30
25
20
15
10
5
0 Jan Feb Mar Apr May Jun Jul
16
Westcoast Power Station (270MW)
Monthly Generation GWh 160
140
120
100
80
60
40
20
0 Jan Feb Mar Apr May Jun Jul
Northern Power (20MW)
Monthly Generation GWh 0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00 Jan Feb Mar Apr May Jun Jul
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Reservoir Storage Levels - July 2015 GWh 700
600
500
Samanalawewa 400 Randenigala Victoria Kotmale 300 Maussakelle Castlereigh 200
100
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Note: Dispatch cost has been calculated based on scheduled energy generation18 cost figures
GWh Comparison of Reservoir Storage Levels 1200
1000
800
2012 2013 600 2014 2015
400
200
0
19
System Inflow - July 2015 GWh 30
25
20
15
10
5
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
20
Demand Variation 2015 MW 2400
2200
2000
1800
1600
1400
1200 Nigh Peak
1000 Day Peak
800 Minimum Demand 600
400
200
0
2-Jul 9-Jul
1-Jan 8-Jan
4-Jun
2-Apr 9-Apr
5-Feb
16-Jul 23-Jul 30-Jul
5-Mar
7-May
15-Jan 22-Jan 29-Jan
11-Jun 18-Jun 25-Jun
16-Apr 23-Apr 30-Apr
12-Feb 19-Feb 26-Feb
12-Mar 19-Mar 26-Mar
21-May 28-May 14-May
Highest Peak Demand: 2210.4MW on 23rd March 2015
Lowest Peak Demand: 1494.6MW on 15th April 2015
Lowest Demand : 608.2MW on 14th April 2015
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Load Curve for 07th July 2015 (Date on which the Maximum Nigh Peak is recorded during the Month of July) MW 2200
2000
1800
1600
1400 CEB Hydro 1200 IPP Thermal CEB Thermal Oil 1000 SPP Wind
800 CEB Coal
600
400
200
0 Time of Day
22
Comparison of Cumulative Dispatch from 01st January - 31st July GWh 7000
6000
5000
SPP Wind
4000 IPP CEB Coal CEB Oil 3000 CEB Hydro
2000
1000
0 Year 2014 2015
23
GWh Comparison of Cumulative Dispatch 12000
11000
10000
9000
8000
7000
2014 6000 2015 5000
4000
3000
2000
1000
0
Note: Generation from SPP Mini Hydro, Solar and Biomass is not included
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Generation Capacity Variation - July 2015 MW Reserve Margin 3500 105%
3000 95%
85% 2500
75% Installed Capacity 2000 65% Available Capacity at Night Peak 1500 55% Night Peak
45% Reserve Margin at Night 1000 Peak
35%
500 25%
0 15% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Note: Contribution from Renewable plants is not included
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Daily Variation of Generation Mix 2015 GWh 40
35
30
25 IPP Thermal CEB Coal 20 CEB Thermal Oil CEB Hydro
15
10
5
0
2-Jul 9-Jul
1-Jan 8-Jan
4-Jun
2-Apr 9-Apr
5-Feb
16-Jul 23-Jul 30-Jul
5-Mar
7-May
15-Jan 22-Jan 29-Jan
11-Jun 18-Jun 25-Jun
16-Apr 23-Apr 30-Apr
12-Feb 19-Feb 26-Feb
12-Mar 19-Mar 26-Mar
21-May 28-May 14-May
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Monthly Variation of Generation Mix - 2015
GWh 600
500
400 CEB Hydro CEB Thermal Oil CEB Coal 300 IPP Thermal Renewable
200
100
0 Jan Feb Mar Apr May Jun Jul
Note: Generation from Mini Hydro, Solar and Biomass power plants are not included in June and July of renewable generation figures.
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