Generation and Reservoirs Statistics September 25, 2017

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1 Generation and Reservoirs Statistics September 25, 2017 PUBLIC UTILITIES COMMISSION OF SRI LANKA

2 Daily Generation Mix in MWh 1,560 4% 250 1% 8,010 10,900 28% 10,460 27% 7,820 CEB Hydro CEB Thermal Oil CEB Coal IPP Thermal SPP Wind SPP Solar Total Generation 39,000 MWh Note: Generation from other SPPs (Mini Hydro, small scale Solar and Biomass) is not included Cumulative Dispatch For Current Month Category Dispatch (MWh) CEB Hydro 276, % CEB Thermal Oil 171, % CEB Coal 269, % IPP Thermal 157, % SPP Wind& Solar 35, % Total 909,715.0 For Current Year Category Dispatch (GWh) CEB Hydro 1, % CEB Thermal Oil 1, % CEB Coal 4, % IPP Thermal 2, % Renewable % Total 10,573

3 Wimalasurendra Old Laxapana Canyon New Laxapana Polpitiya Kotmale Victoria Randenigala Rantambe Ukuwela Bowatenna Upper Kotmale Samanalawewa Kukule Inginiyagala Udawalawe Nilambe Puttalam Coal I Puttalam Coal II Puttalam Coal III Uthura Janani Sapugaskanda B Sapugaskanda A Barge CEB Asia Power KCCP Northern Power Westcoast Sojitz - Kelanitissa ACE Embilipitiya KPS GT 7 KPS Small GTs Agreko-Galle Agreko- Agreko-Kurunagala Agreko-Pallekalle ACE Matara Wimalasurendra Old Laxapana Canyon New Laxapana Polpitiya Kotmale Victoria Randenigala Rantambe Ukuwela Bowatenna Upper Kotmale Samanalawewa Kukule Inginiyagala Udawalawe Nilambe Puttalam Coal I Puttalam Coal II Puttalam Coal III Uthura Janani Sapugaskanda B Sapugaskanda A Barge CEB Asia Power KCCP Northern Power Westcoast Sojitz - Kelanitissa ACE Embilipitiya KPS GT 7 KPS Small GTs Agreko-Galle Agreko-Hambantota Agreko-Kurunagala Agreko-Pallekalle ACE Matara Plant Dispatch on September 25, 2017 MWh Rated Generation Capacity Available Generation Actual generation Note- Available Generation is estimated based on plant availability at 6.00am on September 26, 2017 Plant Loading at Night Peak on September 25, 2017 MW Installed Capacity Available Capacity Night Peak Load Note- Plant avilability is recorded at 6.00 am on September 26, 2017

4 Contribution to the Night Peak in MW % % CEB Hydro % CEB Thermal Oil CEB Coal IPP Thermal SPP Wind Night Peak Day Peak Minimum Demand 2,190.3 MW 1,962.9 MW 1,058.1 MW Note: Contribution from other SPPs (Mini Hydro, Solar and Biomass) is not included Reservoir Levels - as at Hr on September 26, % 90% 80% 70% 60% 50% 40% 30% 10% 0% % 82% 59% % 25% 27% Castlereigh Maussakelle Kotmale Victoria Randenigala Samanalawewa % of Total Capacity Reservoir level (GWh) Total Reservoir Level(GWh) % of Total capacity 46.9%

5 GWh Comparison of Total Reservoir Storage Levels with Past Years Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep 1-Oct 1-Nov 1-Dec Variation of Major Hydro Reservoir Levels in GWh GWh Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep Castlereigh Maussakelle Kotmale Victoria Randenigala Samanalawewa

6 Variation of Demand 2017 MW Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep Nigh Peak Day Peak Minimum Demand Comparison of Cumulative Dispatch GWh 12,000 10, , ,081 1,363 2,072 2,459 6,000 3,576 3,850 4,046 4,000 2,000-2, ,515 1,573 1,965 2,065 3,134 2,805 1, CEB Hydro CEB Thermal Oil CEB Coal IPP Thermal Wind Solar

7 Daily Load Curve - September 24, 2017 MW CEB Coal CEB Thermal Oil IPP Thermal CEB Hydro

8 Power Station Capacity (MW) Primary Fuel CEB Hydro Victoria 210 Ukuwela 40 Kotmale 201 Randenigala 122 Rantambe 49 Bowatenna 40 Nilambe 3.2 Upper Kotmale 150 Old Laxapana 50 New Laxapana 115 Polpitiya 75 Wimalasurendra 50 Canyon 60 Samanalawewa 120 Kukuleganga 75 Inginiyagala 10 Udawalawe 6 CEB Thermal Sapugaskanda 1 72 Heavy Fuel Sapugaskanda 2 72 Heavy Fuel Kelanitissa Small Gas Turb 68 Auto Diesel GT 7 - Kelanitissa 115 Auto Diesel Kelanitissa CCY 165 Naptha & Diesel Lakvijaya (Puttalam Coal) 285 Coal Lakvijaya (Puttalam Coal) S 285 Coal Lakvijaya (Puttalam Coal) S 285 Coal Uthuru Janani 24 Heavy Fuel Barge CEB 60 Furnace Oil Private Thermal (IPPs) Asia Power 51 Heavy Fuel Sojitz - Kelanitissa 163 Auto Diesel West Coast 270 Low Sulphur Furnace oil Northern Power 27 Auto Diesel ACE Embilipitiya 100 Furnace Oil