Generation Report July 2015

PUBLIC UTILITIES COMMISSION OF

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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 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

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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

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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

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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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