Electricity Generating Authority of Thailand (EGAT) 1 STRUCTURE, STATUS AND CROSS BORDER POWER INTERCONNECTION 0F THAILAND b y Mr. Prutichai Chonglertvanichkul Director, System Planning Electricity Generating Authority of Thailand

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3 CURRENT ESI STRUCTURE OF THAILAND IPP PEA MEA Direct Customers EGCO User SPP LAO PDR and Malaysia EGAT User Ratchburi Single Buyer / Public Service Model Regulated Utilities

Electricity Generating Authority of Thailand (EGAT) 4 The Changing Direction of EGAT Restructuring

Electricity Generating Authority of Thailand (EGAT) 5 ESI Structure before 1992 (Public Service Model) EGAT ( Generation, Transmission) MEA, PEA (Distribution) NEPC (Chaired by Prime Minister) Custom er

Electricity Generating Authority of Thailand (EGAT) 6 Current ESI Structure (Public Service Model) Single Buyer MEA, PEA (Distribution) NEPC (Chaired by Prime Minister) Custome r Private Co. IPP, SPP PPA Ft EGAT (Generation, Transmission)

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10 Present December 2003 March 2004 EGAT Privatization Roadmap EGAT PLC. Listing in SET Gov. share > 50% Electricity Generating Authority of Thailand

Electricity Generating Authority of Thailand (EGAT) 11 Status and Power Trade with Neighboring Countries

Electricity Generating Authority of Thailand (EGAT) 12 NORTHERN REGION NAM NGUM 115 KV TAKHEK 22 KV SAVANNAKHET 115 KV XESET 115 KV 115 & 230 KV 230 KV 230 & 500 KV 115 & 230 KV THEUN-HINBOUN 230 KV HOUAY HO 230 KV Installed Capacity 3,871.8 MW Demand 1,743.4 MW Total Installed Capacity 25,422 MW Peak Demand 18,121.4 MW at May 7,2003 Installed Capacity and Demand As of September 2003 CENTRAL REGION METROPOLITAN AREA SOUTHERN REGION NORTHEASTERN REGION Installed Capacity 1,303.1 MW Demand 1,576.7 MW Installed Capacity 15,910.6 MW Demand 5,936.1 MW Installed Capacity 2,655.0 MW Demand 7,632.6 MW Installed Capacity 1,681.5 MW Demand 1,232.6 MW 300 kV HVDC (300 MW)

Electricity Generating Authority of Thailand (EGAT) 13 Present status (As of September 2003) EGAT Generation 14,810.8 MW Total Generation 25,422 MW EGAT Transmission MEAPEA Customers IPPs 2,463 SPPs 1,837.2 Laos 340 Malaysia 300 Subtotal 4,940.2 IPP Subsidiaries RATCH 3,615 EGCO 2,056 Subtotal 5,671 PPA 18,121 MW PPA MW

Electricity Generating Authority of Thailand (EGAT) 14 THERMAL 6,030.0 MW 23.7% COMBINED CYCLE 5,074.6 MW 20.0 % HYDRO 2,921.7 MW 11.5% PURCHASES 10,611.2 MW 41.7 % GAS TURBINE & OTHERS MW 3.1% PRESENT STATUS ( AS OF SEPTEMBER 2003 ) TOTAL INSTALLED CAPACITY PEAK GENERATION (7 May 2003) PEAK GENERATION OF 2002 (4 April 2002) GROWTH FROM FISCAL YEAR , , , ,440.3 (8.6%) MW

Electricity Generating Authority of Thailand (EGAT) 15 GENERATION BY TYPE OF FUELS FISCAL YEAR 2003 TOTAL GENERATION 116,666 GWh NATURAL GAS 83,528 GWh 71.6% IPP & SPP 51,470 GWh 44.1% EGAT 32,058 GWh 27.5% HYDRO 10,180 GWh 8.7% LIGNITE 17,134 GWh 14.7% EGAT-TNB 100 GWh 0.1% FUEL OIL 2,061 GWh 1.8% IMPORTED COAL 2,521 GWh 2.2% DIESEL 45 GWh Renewable 1,097 GWh 0.9% *Preliminary

Electricity Generating Authority of Thailand (EGAT) 16 TOTAL ENERGY SALES ( FISCAL YEAR 2003 ) TOTAL 110,693 GWh DIRECT CUSTOMERS 1,985 GWh 1.8% PEA 70,124 GWh 63.3% MEA 38,584 GWh 34.9% *Preliminary

Electricity Generating Authority of Thailand (EGAT) 17 ENERGY CONSUMPTION BY SECTOR ( FISCAL YEAR 2003 ) TOTAL 104,511 GWh OTHERS 4,623 GWh 4.4% RESIDENTIAL SECTOR 23,170 GWh 22.2% BUSINESS SECTOR 25,278 GWh 24.2% INDUSTRIAL SECTOR 51,440 GWh 49.2% *Preliminary

Electricity Generating Authority of Thailand (EGAT) 18 Monthly Peak Generation Requirement (Fiscal Year ) MW

Electricity Generating Authority of Thailand (EGAT) 19 EGAT Energy Generation Requirement (Fiscal Year ) GWh

Electricity Generating Authority of Thailand (EGAT) 20 PEAK GENERATION (MW) TIME (HOURS) 4 April April April May April March March May ,121.4 MW (7 May 2003) EGAT DAILY LOAD CURVE ON PEAK DAY (FISCAL YEAR )

Electricity Generating Authority of Thailand (EGAT) 21 are Divided into 5 Areas Southern Area Central Area Metropolitan Area Northern Area Northeastern Area Power System Network

Electricity Generating Authority of Thailand (EGAT) 22 Metropolitan Area Generation (As of September 2003) Demand = 7,633 MW Generation = 2,655 MW Transmission (As of September 2003) Substation Transmission kV No MVA cct./km , , Power System Network

Electricity Generating Authority of Thailand (EGAT) 23 Generation (As of September 2003) Demand = 1,960 MW Generation = 3,872 MW Northern Area Transmission (As of September 2003) Substation Transmission kV No MVA cct./km ,400 1, ,200 3, ,972 2,752 Power System Network

Electricity Generating Authority of Thailand (EGAT) 24 Generation (As of September 2003) Demand = 2,062 MW Generation = 1,303 MW Northeastern Area Transmission (As of September 2003) Substation Transmission kV No MVA cct./km ,800 1, ,866 5, Power System Network

Electricity Generating Authority of Thailand (EGAT) 25 Generation (As of September 2003) Demand = 5,807 MW Generation = 15,911 MW Central Area Transmission (As of September 2003) Substation Transmission kV No MVA cct./km , ,793 3, ,252 2, Power System Network

Electricity Generating Authority of Thailand (EGAT) 26 Generation (As of September 2003) Demand = 1,450 MW Generation = 1,382 MW Exchange with Malaysia = 300 MW Southern Area Transmission (As of September 2003) Substation Transmission kV No MVA cct./km ,888 2, ,251 2,509 Power System Network

Electricity Generating Authority of Thailand (EGAT) 27 Thank You for Your Attention