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) 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