Electricity Generating Authority of Thailand (EGAT) 1

STRUCTURE, STATUS AND

CROSS BORDER POWER INTERCONNECTION

0F THAILAND

by

Mr. Prutichai ChonglertvanichkulDirector, System Planning

Electricity Generating Authority of Thailand

Electricity Generating Authority of Thailand (EGAT) 2

Electricity Generating Authority of Electricity Generating Authority of Thailand (EGAT)Thailand (EGAT)

Electricity Generating Authority of Thailand (EGAT) 3

CURRENT ESI STRUCTURE CURRENT ESI STRUCTURE OF THAILANDOF THAILAND

CURRENT ESI STRUCTURE CURRENT ESI STRUCTURE OF THAILANDOF THAILAND

IPPIPP

PEA MEA DirectCustomers

DirectCustomers

EGCO

UserUser

SPPLAO PDRand Malaysia EGATEGAT

UserUser UserUser

Ratchburi

Single Buyer / Public Service ModelSingle Buyer / Public Service ModelRegulated UtilitiesRegulated Utilities

Electricity Generating Authority of Thailand (EGAT) 4

The Changing The Changing

Direction of EGAT Direction of EGAT

RestructuringRestructuring

Electricity Generating Authority of Thailand (EGAT) 5

ESI Structure before ESI Structure before 19921992

(Public Service Model) (Public Service Model)

EGAT(Generation, Transmission)

MEA, PEA (Distribution)

NEPC(Chaired

byPrime

Minister)

Customer

Electricity Generating Authority of Thailand (EGAT) 6

Current ESI StructureCurrent ESI Structure (Public Service Model)(Public Service Model)

Single Buyer Single Buyer

MEA, PEA (Distribution)

NEPC(Chaired

byPrime

Minister)

Customer

Private Co.IPP, SPP

PPA

Ft

Ft

EGAT

(Generation , Transmission)

Electricity Generating Authority of Thailand (EGAT) 7

Electricity Generating Authority of Thailand (EGAT) 8

Electricity Generating Authority of Thailand (EGAT) 9

Electricity Generating Authority of Thailand (EGAT) 10

Present December 2003

March 2004

EGAT EGAT Privatization Privatization

RoadmapRoadmapEGAT PLC.

EGAT PLC.Listing in

SETGov. 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 NGUM115 KV

TAKHEK22 KV

SAVANNAKHET115 KV

XESET115 KV

115 & 230 KV

230 KV

230 & 500 KV

115 & 230 KV

THEUN-HINBOUN230 KV

HOUAY HO230 KV

Installed Capacity 3,871.8 MWDemand 1,743.4 MW

Total Installed Capacity 25,422 MWPeak Demand 18,121.4 MW at May 7,2003

Installed Capacity and DemandAs of September 2003

CENTRAL REGION

METROPOLITAN AREA

SOUTHERN REGION

NORTHEASTERN REGION

Installed Capacity 1,303.1 MWDemand 1,576.7 MW

Installed Capacity 15,910.6 MWDemand 5,936.1 MW

Installed Capacity 2,655.0 MWDemand 7,632.6 MW

Installed Capacity 1,681.5 MWDemand 1,232.6 MW

300 kV HVDC (300 MW)

Electricity Generating Authority of Thailand (EGAT) 13

Present status (As of September 2003)Present status (As of September 2003)EGAT

Generation14,810.8 MW

Total Generation

25,422 MW

EGAT

Transmission

MEA PEA

Customers Customers

IPPs 2,463SPPs 1,837.2Laos 340Malaysia 300Subtotal 4,940.2

IPP SubsidiariesRATCH 3,615EGCO 2,056Subtotal 5,671

PPA

18,121 MW

PPA

MW MW

Electricity Generating Authority of Thailand (EGAT) 14

THERMAL6,030.0 MW 23.7%

COMBINED CYCLE 5,074.6 MW 20.0%

HYDRO2,921.7 MW

11.5%

PURCHASES10,611.2 MW

41.7%

GAS TURBINE & OTHERS 784.5 MW 3.1%

PRESENT STATUS( AS OF SEPTEMBER 2003 )

TOTAL INSTALLED CAPACITYPEAK GENERATION (7 May 2003)

PEAK GENERATION OF 2002(4 April 2002)

GROWTH FROM FISCAL YEAR 2002

25,422.018,121.416,681.1

1,440.3(8.6%)

MW

Electricity Generating Authority of Thailand (EGAT) 15

GENERATION BY TYPE OF FUELSFISCAL YEAR 2003

TOTAL GENERATION 116,666 GWh

NATURAL GAS83,528 GWh 71.6%

IPP & SPP51,470 GWh 44.1%

EGAT32,058 GWh 27.5%

HYDRO10,180 GWh 8.7%

LIGNITE17,134 GWh 14.7%

EGAT-TNB 100 GWh

0.1%

FUEL OIL2,061 GWh 1.8%

IMPORTED COAL2,521 GWh 2.2%

DIESEL 45 GWh

Renewable1,097 GWh 0.9%

*Preliminary

Electricity Generating Authority of Thailand (EGAT) 16

TOTAL ENERGY SALES( FISCAL YEAR 2003 )

TOTAL 110,693 GWh

DIRECT CUSTOMERS1,985 GWh 1.8%

PEA70,124 GWh 63.3%

MEA38,584 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 SECTOR23,170 GWh 22.2%

BUSINESS SECTOR25,278 GWh 24.2%

INDUSTRIAL SECTOR51,440 GWh 49.2%

*Preliminary

Electricity Generating Authority of Thailand (EGAT) 18

12000

13000

14000

15000

16000

17000

18000

19000

Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep

2003

2002

2001

2000

1999

1998

1997

Monthly Peak Generation Requirement(Fiscal Year 1997-2003)MW

Electricity Generating Authority of Thailand (EGAT) 19

EGAT Energy Generation Requirement(Fiscal Year 1997-2003)

6500

7000

7500

8000

8500

9000

9500

10000

10500

11000

Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep

2003

2002

2001

2000

1999

1998

1997

GWh

Electricity Generating Authority of Thailand (EGAT) 20

8,000

10,500

13,000

15,500

18,000

20,500

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

PEA

K

GEN

ER

ATIO

N (

MW

)

TIME (HOURS)

4 April 2002

23 April 20015 April 2000

8 May 199728 April 199818 March 199922 March 1996

26 May 1995

18,121.4 MW (7 May 2003)

EGAT DAILY LOAD CURVE ON PEAK DAY(FISCAL YEAR 1995-2003)

Electricity Generating Authority of Thailand (EGAT) 21

are Divided into 5 are Divided into 5 AreasAreas

Southern AreaSouthern Area

Central AreaCentral Area

Metropolitan AreaMetropolitan Area

Northern Area Northern Area Northeastern AreaNortheastern Area

Power System Network Power System Network Power System Network 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 TransmissionkV No MVA cct./km500 2 3,450 569230 12 14,100 661

Power System Network Power System Network Power System Network 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 TransmissionkV No MVA cct./km500 2 2,400 1,143230 8 3,200 3,415115 31 2,972 2,752

Power System Network Power System Network Power System Network 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 TransmissionkV No MVA cct./km230 9 3,800 1,719115 40 3,866 5,459 69 1 7 4

Power System Network Power System Network Power System Network 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 TransmissionkV No MVA cct./km500 4 5,000 1236230 21 10,793 3,799115 45 5,252 2,673 69 2 108 52

Power System Network Power System Network Power System Network 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 TransmissionkV No MVA cct./km230 10 3,888 2,651115 20 2,251 2,509

Power System Network Power System Network Power System Network Power System Network

Electricity Generating Authority of Thailand (EGAT) 27

Thank You for Thank You for Your AttentionYour Attention