Generation Report June 2015 PUBLIC UTILITIES COMMISSION OF SRI LANKA 0 Generation Report (June 2015) Generation Mix (June 2015) in GWh 57 140 (5%) (14%) 326 (32%) CEB Hydro CEB Thermal Oil CEB Coal 380 119 (37%) (12%) IPP Thermal SPP Wind Total Generation - 1,022GWh Generation Mix 2015 in GWh 403 419 (6%) (7%) 2,362 (38%) CEB Hydro CEB Thermal Oil 2,668 CEB Coal (43%) 354 IPP Thermal (6%) Renewable Total Generation - 6,206GWh Note: Generation from Mini Hydro, Solar and Biomass power plants in May and June is not included in renewable generation figure. 1 Monthly Dispatch from all Generation Units (June 2015) Power Station Capacity (MW) Dispatch (GWh) Plant Factor Wimalasurendra 50 7.05 19.58% Old Laxapana 53.5 20.24 52.54% Canyon 60 10.22 23.65% New Laxapana 115 36.58 44.18% Polpitiya 75 27.42 50.77% Kotmale 201 22.92 15.84% Victoria 210 40.09 26.52% Randenigala 122 30.32 34.52% Rantambe 49 13.20 37.42% Ukuwela 40 19.27 66.92% Bowatenna 40 4.01 13.92% Upper Kotmale 150 27.75 25.70% Samanalawewa 120 33.77 39.08% Kukule 75 22.76 42.15% Inginiyagala 10 6.58 91.43% Udawalawe 6 2.77 64.08% Nilambe 3.2 0.58 24.98% KPS Small GTs 85 0.09 0.14% KPS GT 7 115 0.08 0.10% KCCP 165 90.42 76.11% Sapugaskanda A 72 16.34 31.52% Sapugaskanda B 72 0.02 0.03% New Chunnakam 24 11.69 67.63% Puttalam Coal I 285 189.57 92.38% Puttalam Coal II 285 79.30 38.64% Puttalam Coal III 285 111.47 54.32% Asia Power 51 14.49 39.46% Barge 60 32.04 74.17% AES - Kelanitissa 163 10.60 9.04% Westcoast 270 83.19 42.79% Northern Power 27 0.00 0.00% SPP Wind 128.45 57.21 61.86% 2 Wimalasurendra Power Station (50MW) GWh Monthly Generation 18 16 14 12 10 8 6 4 2 0 Jan Feb Mar Apr May Jun Old Laxapana Power Station (53.5MW) Monthly Generation GWh 40 35 30 25 20 15 10 5 0 Jan Feb Mar Apr May Jun 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 New Laxapana Power Station (115MW) Monthly Generation GWh 60 50 40 30 20 10 0 Jan Feb Mar Apr May Jun 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 Polpitiya Power Station (75MW) Monthly Generation GWh 40 35 30 25 20 15 10 5 0 Jan Feb Mar Apr May Jun 5 Victoria Power Station (210MW) Monthly Generation GWh 120 100 80 60 40 20 0 Jan Feb Mar Apr May Jun Randenigala Power Station (122MW) Monthly Generation GWh 60 50 40 30 20 10 0 Jan Feb Mar Apr May Jun 6 Rantambe Power Station (49MW) Monthly Generation GWh 30 25 20 15 10 5 0 Jan Feb Mar Apr May Jun Ukuwela Power Station (40MW) Monthly Generation GWh 20 18 16 14 12 10 8 6 4 2 0 Jan Feb Mar Apr May Jun 7 Bowatenna Power Station (40MW) Monthly Generation GWh 12 9 6 3 0 Jan Feb Mar Apr May Jun Upper Kotmale Power Station (150MW) Monthly Generation GWh 45 40 35 30 25 20 15 10 5 0 Jan Feb Mar Apr May Jun 8 Samanalawewa Power Station (120MW) Monthly Generation GWh 70 60 50 40 30 20 10 0 Jan Feb Mar Apr May Jun Kukuleganga Power Station (75MW) Monthly Generation GWh 30 25 20 15 10 5 0 Jan Feb Mar Apr May Jun 9 Inginiyagala Power Station (10MW) Monthly Generation GWh 7 6 5 4 3 2 1 0 Jan Feb Mar Apr May Jun Udawalawa Power Station (6MW) Monthly Generation GWh 3 2 1 0 Jan Feb Mar Apr May Jun 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 Kelanitissa Power Station Small GTs (85MW) 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 11 Kelanitissa Power Station GT 7 (115MW) Monthly Generation GWh 1.2 1.0 0.8 0.6 0.4 0.2 0.0 Jan Feb Mar Apr May Jun 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 12 Sapugaskanda Power Station - A (72MW) Monthly Generation GWh 18 16 14 12 10 8 6 4 2 0 Jan Feb Mar Apr May Jun Sapugaskanda Power Station - B (72MW) Monthly Generation GWh 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 Jan Feb Mar Apr May Jun 13 New Chunnakam Power Station (24MW) Monthly Generation GWh 14 12 10 8 6 4 2 0 Jan Feb Mar Apr May Jun Puttalam Coal Power Station (285x3MW) Monthly Generation GWh 600 500 400 300 200 100 0 Jan Feb Mar Apr May Jun 14 Asia Power (51MW) Monthly Generation GWh 16 14 12 10 8 6 4 2 0 Jan Feb Mar Apr May Jun Colombo Power - Barge (60MW) Monthly Generation GWh 35 30 25 20 15 10 5 0 Jan Feb Mar Apr May Jun 15 AES Kelanitissa Power Station (163MW) Monthly Generation GWh 12 10 8 6 4 2 0 Jan Feb Mar Apr May Jun ACE Power - Embilipitiya (100MW) Monthly Generation GWh 45 40 35 30 25 20 15 10 5 0 Jan Feb Mar Apr May Jun 16 Westcoast Power Station (270MW) Monthly Generation GWh 90 80 70 60 50 40 30 20 10 0 Jan Feb Mar Apr May Jun 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 17 Reservoir Storage Levels - June 2015 GWh 800 700 600 500 Samanalawewa Randenigala 400 Victoria Kotmale Maussakelle 300 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 18 GWh Comparison of Reservoir Storage Levels 1200 1000 800 2012 2013 600 2014 2015 400 200 0 19 System Inflow - June 2015 GWh 20 18 16 14 12 10 8 6 4 2 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 20 Demand Variation 2015 MW 2400 2200 2000 1800 1600 1400 1200 Nigh Peak 1000 Day Peak 800 Minimum Demand 600 400 200 0 1-Jan 8-Jan 4-Jun 2-Apr 9-Apr 5-Feb 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 21 Comparison of Cumulative Dispatch from 01st January - 30th June GWh 6000 5000 4000 SPP Wind IPP CEB Coal 3000 CEB Oil CEB Hydro 2000 1000 0 Year 2014 2015 22 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 23 Generation Capacity Variation - June 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 Note: Contribution from Renewable plants is not included 24 10 15 20 25 30 35 40 0 5 GWh 1-Jan 8-Jan 15-Jan 22-Jan 29-Jan 5-Feb Daily Variation Daily 12-Feb 19-Feb 26-Feb 5-Mar 12-Mar of 19-Mar Generation Mix 2015 Generation 26-Mar 25 2-Apr 9-Apr 16-Apr 23-Apr 30-Apr 7-May 14-May 21-May 28-May 4-Jun 11-Jun 18-Jun 25-Jun CEBHydro CEBThermal Oil CEBCoal IPP Thermal 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 Note: Generation from Mini Hydro, Solar and Biomass power plants are not included in May and June of renewable generation figures. 26 .