STRUCTURE STATUS AND CROSS BORDER POWER INTERCONNECTION 0

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

Electricity Generating Authority of Thailand (EGAT) 2

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

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

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

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

Electricity Generating Authority of Thailand (EGAT) 7

Electricity Generating Authority of Thailand (EGAT) 8

Electricity Generating Authority of Thailand (EGAT) 9

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

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

Installed Capacity and Demand As of September 2003 THEUN-HINBOUN NAM NGUM 230 KV NORTHERN REGION 115 KV Installed Capacity 3, 871. 8 MW Demand 1, 743. 4 MW 22 KV 230 KV NORTHEASTERN REGION 230 & 500 KV CENTRAL REGION TAKHEK SAVANNAKHET Installed Capacity 1, 303. 1 MW Demand 1, 576. 7 MW 115 KV XESET 115 KV HOUAY HO 115 & 230 KV Installed Capacity 15, 910. 6 MW Demand 5, 936. 1 MW METROPOLITAN AREA 115 & 230 KV SOUTHERN REGION Installed Capacity 1, 681. 5 MW Demand 1, 232. 6 MW Installed Capacity 2, 655. 0 MW Demand 7, 632. 6 MW Total Installed Capacity 25, 422 MW Peak Demand 18, 121. 4 MW at May 7, 2003 300 k. V HVDC (300 MW) Electricity Generating Authority of Thailand (EGAT) 12

Present status (As of September 2003) MW IPPs 2, 463 SPPs 1, 837. 2 Laos 340 Malaysia 300 Subtotal 4, 940. 2 PPA EGAT Generation 14, 810. 8 MW MW PPA Total Generation 25, 422 MW EGAT IPP Subsidiaries RATCH 3, 615 EGCO 2, 056 Subtotal 5, 671 Transmission 18, 121 MW MEA PEA Customers Electricity Generating Authority of Thailand (EGAT) 13

PRESENT STATUS PURCHASES 10, 611. 2 MW 41. 7% HYDRO 2, 921. 7 MW 11. 5% COMBINED CYCLE THERMAL 5, 074. 6 MW 20. 0% 6, 030. 0 MW 23. 7% ( AS OF SEPTEMBER 2003 ) GAS TURBINE & OTHERS 784. 5 MW 3. 1% MW TOTAL INSTALLED CAPACITY 25, 422. 0 PEAK GENERATION (7 May 2003) 18, 121. 4 16, 681. 1 PEAK GENERATION OF 2002 (4 April 2002) GROWTH FROM FISCAL YEAR 2002 1, 440. 3 (8. 6%) Electricity Generating Authority of Thailand (EGAT) 14

GENERATION BY TYPE OF FUELS FISCAL YEAR 2003 Renewable 1, 097 GWh 0. 9% IMPORTED COAL 2, 521 GWh 2. 2% FUEL OIL 2, 061 GWh 1. 8% EGAT 32, 058 GWh 27. 5% NATURAL GAS 83, 528 GWh 71. 6% LIGNITE 17, 134 GWh 14. 7% HYDRO 10, 180 GWh 8. 7% EGAT-TNB 100 GWh 0. 1% DIESEL 45 GWh *Preliminary Electricity Generating Authority of Thailand (EGAT) IPP & SPP 51, 470 GWh 44. 1% TOTAL GENERATION 116, 666 GWh 15

TOTAL ENERGY SALES ( FISCAL YEAR 2003 ) PEA 70, 124 GWh 63. 3% MEA 38, 584 GWh 34. 9% *Preliminary Electricity Generating Authority of Thailand (EGAT) DIRECT CUSTOMERS 1, 985 GWh 1. 8% TOTAL 110, 693 GWh 16

ENERGY CONSUMPTION BY SECTOR ( FISCAL YEAR 2003 ) BUSINESS SECTOR 25, 278 GWh 24. 2% RESIDENTIAL SECTOR 23, 170 GWh 22. 2% INDUSTRIAL SECTOR 51, 440 GWh 49. 2% *Preliminary Electricity Generating Authority of Thailand (EGAT) TOTAL 104, 511 GWh OTHERS 4, 623 GWh 4. 4% 17

MW Monthly Peak Generation Requirement (Fiscal Year 1997 -2003) Electricity Generating Authority of Thailand (EGAT) 18

GWh EGAT Energy Generation Requirement (Fiscal Year 1997 -2003) Electricity Generating Authority of Thailand (EGAT) 19

PEAK GENERATION (MW) EGAT DAILY LOAD CURVE ON PEAK DAY (FISCAL YEAR 1995 -2003) Electricity Generating Authority of Thailand (EGAT) 18, 121. 4 MW (7 May 2003) 4 April 2002 23 April 2001 5 April 2000 8 May 1997 28 April 1998 18 March 1999 22 March 1996 26 May 1995 TIME (HOURS) 20

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

Power System Network Metropolitan Area Electricity Generating Authority of Thailand (EGAT) Transmission (As of September 2003) Substation Transmission k. V No MVA cct. /km 500 2 3, 450 569 230 12 14, 100 661 Generation (As of September 2003) Demand = 7, 633 MW 22 Generation = 2, 655 MW

Power System Network Northern Area Transmission (As of September 2003) Substation Transmission k. V No MVA cct. /km 500 2 2, 400 1, 143 230 8 3, 200 3, 415 115 31 2, 972 2, 752 Electricity Generating Authority of Thailand (EGAT) Generation (As of September 2003) Demand = 1, 960 MW Generation = 3, 872 MW 23

Power System Network Northeastern Area Electricity Generating Authority of Thailand (EGAT) Transmission (As of September 2003) Substation Transmission k. V No MVA cct. /km 230 9 3, 800 1, 719 115 40 3, 866 5, 459 69 1 7 4 Generation (As of September 2003) Demand = 2, 062 MW Generation = 1, 303 MW 24

Power System Network Central Area Transmission (As of September 2003) Substation Transmission k. V No MVA cct. /km 500 4 5, 000 1236 230 21 10, 793 3, 799 115 45 5, 252 2, 673 69 2 108 52 Electricity Generating Authority of Thailand (EGAT) Generation (As of September 2003) Demand = 5, 807 MW Generation = 15, 911 MW 25

Power System Network Southern Area Transmission (As of September 2003) Substation Transmission k. V No MVA cct. /km 230 10 3, 888 2, 651 115 20 2, 251 2, 509 Generation (As of September 2003) Demand = 1, 450 MW Generation = 1, 382 MW Exchange with Malaysia = Electricity Generating Authority of Thailand (EGAT) 300 MW 26

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