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Technical Information

TECHNICAL INFORMATION

Out of the three power plants, two power plants utilize sub-critical boilers (2×615 MW) and one power plant utilizes a supercritical boiler (815 MW) which is the first power plant introducing supercritical technology in Indonesia

Paiton unit 7-8

Commercial OperationIn May and July 1999
1. Boiler
 1) TypeSub Critical
Tangential Firing with Reheater
Boiler Steam Drum and Forced Water Wall Circulation
 2) Steam Generating Capacity2,300 ton /hour
 3) Design Operating ConditionsMain Steam: 538°C/16Mpa,
Reheat Steam: 538°C/3.9Mpa
2. Steam Turbine
 1) TypeTandem Compound with Dual Flow RH Turbine and Double Dual Flow LP Turbines
 2) Net Capacity615MW
3. Generator
 1) Type2 Poles, 3 Phase
 2) Rated Capacity846MVA
 3) Armature Voltage23KV
4. FuelSub Bituminous Coal
5. Key Environmental Features
 1) Control of Sulphur DioxideThrough the use of Low Sulphur Coal and Flue Gas Desulphurization (FGD) technology
 2) Control of Particulate EmissionsLow Ash Coal and Electro Static Precipitators (ESP)
 3) Control of NOx EmissionsLow NOx Burners

Paiton unit 3

Commercial OperationIn March 2012
1. Boiler
 1) TypeSuper Critical
Dual Furnace Tangential Firing with Reheater
Steam Separator with Wet Phase and Dry Phase
 2) Steam Generating Capacity2,630 ton /hour
 3) Design Operating ConditionsMain Steam: 538°C/24.5Mpa,
Reheat Steam: 566°C/4.7Mpa
2. Steam Turbine
 1) TypeTandem Compound with Combined HIP Turbine and Dual Flow LP Turbines
 2) Net Capacity815MW
3. Generator
 1) Type2 Poles, 3 Phase
 2) Rated Capacity1,045MVA
 3) Armature Voltage27KV
4. FuelSub Bituminous Coal
5. Key Environmental Features
 1) Control of Sulphur DioxideThrough the use of Low Sulphur Coal and Flue Gas Desulphurization (FGD) technology
 2) Control of Particulate EmissionsLow Ash Coal and Electro Static Precipitators (ESP)
 3) Control of NOx EmissionsLow NOx Burners

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