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

1
STRUCTURE, STATUS ANDCROSS BORDER POWER
INTERCONNECTION0F THAILANDbyMr. Prutichai
ChonglertvanichkulDirector, System
PlanningElectricity Generating Authority of
Thailand
2
Electricity Generating Authority of Thailand
(EGAT)
3
CURRENT ESI STRUCTURE OF THAILAND
IPP
EGAT
SPP
LAO PDRand Malaysia
Ratchburi
DirectCustomers
MEA
PEA
User
User
User
Single Buyer / Public Service Model Regulated
Utilities
4
The Changing Direction of EGAT Restructuring
5
ESI Structure before 1992 (Public Service Model)
EGAT(Generation, Transmission)
NEPC (ChairedbyPrimeMinister)
MEA, PEA (Distribution)
Customer
6
Current ESI Structure (Public Service Model)
Single Buyer
Private Co.IPP, SPP
Ft
PPA
EGAT(Generation , Transmission)
NEPC (ChairedbyPrimeMinister)
MEA, PEA (Distribution)
Ft
Customer
7
(No Transcript)
8
(No Transcript)
9
(No Transcript)
10
EGAT Privatization Roadmap
EGAT PLC.
EGAT PLC. Listing in SET Gov. share gt 50
Electricity Generating Authority of Thailand
December 2003
March 2004
Present
11
Status and Power Trade with Neighboring
Countries
12
Installed Capacity and Demand
As of September 2003
THEUN-HINBOUN
NAM NGUM
230 KV
NORTHERN REGION
115 KV
TAKHEK
22 KV
SAVANNAKHET
230 KV
NORTHEASTERN REGION
115 KV
230 500 KV
XESET
115 KV
HOUAY HO
115 230 KV
CENTRAL REGION
230 KV
METROPOLITAN AREA
115 230 KV
Total Installed Capacity 25,422 MW
SOUTHERN REGION
Peak Demand 18,121.4 MW at May 7,2003
300 kV HVDC (300 MW)
13
Present status (As of September 2003)
MW
MW
EGAT Generation14,810.8 MW Total
Generation25,422 MW EGAT Transmission
IPPs 2,463 SPPs 1,837.2 Laos
340 Malaysia 300 Subtotal
4,940.2
PPA
PPA
18,121 MW
MEA
PEA
Customers
Customers
14
PRESENT STATUS ( AS OF SEPTEMBER 2003 )
PURCHASES 10,611.2 MW 41.7
HYDRO 2,921.7 MW 11.5
GAS TURBINE OTHERS 784.5 MW 3.1
COMBINED CYCLE 5,074.6 MW 20.0
THERMAL 6,030.0 MW 23.7
MW
TOTAL INSTALLED CAPACITY
25,422.0
PEAK GENERATION (7 May 2003)
18,121.4
PEAK GENERATION OF 2002
16,681.1
(4 April 2002)
(8.6)
GROWTH FROM FISCAL YEAR 2002
1,440.3
15
GENERATION BY TYPE OF FUELS FISCAL YEAR
2003
Renewable 1,097 GWh 0.9
IMPORTED COAL 2,521 GWh 2.2
NATURAL GAS 83,528 GWh 71.6
FUEL OIL 2,061 GWh 1.8
EGAT 32,058 GWh 27.5
LIGNITE 17,134 GWh 14.7
IPP SPP 51,470 GWh 44.1
HYDRO 10,180 GWh 8.7
EGAT-TNB 100 GWh 0.1
DIESEL 45 GWh
TOTAL GENERATION 116,666 GWh
Preliminary
16
TOTAL ENERGY SALES ( FISCAL YEAR 2003 )
PEA 70,124 GWh 63.3
DIRECT CUSTOMERS 1,985 GWh 1.8
MEA 38,584 GWh 34.9
TOTAL 110,693 GWh
Preliminary
17
ENERGY CONSUMPTION BY SECTOR ( FISCAL YEAR
2003 )
RESIDENTIAL SECTOR 23,170 GWh 22.2
BUSINESS SECTOR 25,278 GWh 24.2
OTHERS 4,623 GWh 4.4
INDUSTRIAL SECTOR 51,440 GWh 49.2
TOTAL 104,511 GWh
Preliminary
18
Monthly Peak Generation Requirement (Fiscal
Year 1997-2003)
MW
19
EGAT Energy Generation Requirement (Fiscal
Year 1997-2003)
GWh
20
EGAT DAILY LOAD CURVE ON PEAK DAY(FISCAL
YEAR 1995-2003)
18,121.4 MW (7 May 2003)
4 April 2002
23 April 2001
5 April 2000
PEAK GENERATION (MW)
8 May 1997
28 April 1998
18 March 1999
22 March 1996
26 May 1995
TIME (HOURS)
21
Power System Network
are Divided into 5 Areas
Northern Area
Northeastern Area
Central Area
Metropolitan Area
Southern Area
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 500 2 3,450 569 230
12 14,100 661
23
Northern Area
Transmission (As of September 2003)
Substation Transmission kV No MVA
cct./km 500 2 2,400 1,143 230
8 3,200 3,415 115 31 2,972
2,752
Generation (As of September 2003) Demand
1,960 MW Generation 3,872 MW
24
Northeastern Area
Generation (As of September 2003) Demand
2,062 MW Generation 1,303 MW
Transmission (As of September 2003)
Substation Transmission kV No MVA
cct./km 230 9 3,800 1,719 115
40 3,866 5,459 69 1
7 4
25
Central Area
Transmission (As of September 2003)
Substation Transmission kV 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
Generation (As of September 2003) Demand
5,807 MW Generation 15,911 MW
26
Southern Area
Transmission (As of September 2003)
Substation Transmission kV 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 300 MW

27
Thank You for Your Attention