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Purwakarta Indorama Power Station

Coal power plant in West Java, Indonesia. Approximate location -6.5539, 107.4137.

CoalWest JavaIndonesiasubcritical

Purwakarta Indorama Power Station is a 60 MW coal power plant in West Java, Indonesia. It is operated by PT Indorama Synthetics Tbk. Based on its capacity (estimated), it can supply roughly 75k homes (estimated). It ranks #305 of 401 Indonesia power plants by installed capacity. Commissioned in 2006, it is around 20 years old — relatively modern. In context, coal supplies about 61.5% of Indonesia's electricity; the national grid averages 680 gCO₂/kWh (18.1% low-carbon) (2024).

60Source-backed capacity
75,085homes powered (est.)
2006commissioned (~20 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1075815.

Data status

Known data

FacilityPurwakarta Indorama Power Station WRI
CountryIndonesia · West Java WRI
Coordinates-6.5539, 107.4137 WRI
FuelCoal WRI
MW installed capacity60 MW WRI source record; scope not independently normalised
OwnerPT Indorama Synthetics Tbk WRI
Commissioned2006 WRI
Technologysubcritical WRI

Calculated from dataset

CO₂ emissions262,800 t CO₂/yr calculated
Capacity rank in country#305 of 401 calculated
Fuel-specific rank in country#161 of 191 calculated
Capacity vs country/fuel peers0.27× · 220 MW median · 191 peers calculated
Homes-powered equivalent75,085 calculated
Climate25.0°C · HDD 0 derived from coordinates
Environmental severityC5 · 47/100 derived from coordinates

Not available

GWh reported / yrNot available not in dataset

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

Data provenance

The capacity and/or fuel fields on this page include a source-backed provenance label from GEM, an official registry, Wikidata, OSM, or a cross-source match.

capacity: GEM tracker 2026 (location L100000104398); fuel: WRI source-record fuel

In context: how this plant compares

At 60 MW, Purwakarta Indorama Power Station is below the median coal plant in Indonesia (220 MW). Technically it is described as subcritical. Coal plants burn pulverised coal to raise high-pressure steam for a turbine; they run as baseload but are the most carbon-intensive mainstream source and the first targeted for retirement or efficiency retrofits.

Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.

Capacity vs largest coal plants in Indonesia

PLTU Paiton I Unit 7 & 8: 5,355 MW5kPLTU Paito…Weda Bay power station: 4,540 MW5kWeda Bay p…PLTU Suralaya: 3,400 MW3kPLTU Sural…Sulawesi Labota power station: 3,360 MW3kSulawesi L…Nanshan Industrial Park power station: 2,880 MW3kNanshan In…Bangko Tengah power station: 2,640 MW3kBangko Ten…Xinyi Group captive power station: 2,500 MW2kXinyi Grou…PT Halmahera Persada Lygend Nickel Smelter power station: 2,390 MW2kPT Halmahe…

Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by PT Indorama Synthetics Tbk.

Local climate & thermal context

This coal plant burns coal to raise high-pressure steam that spins a turbine-generator. It sits in a tropical rainforest climate (Köppen Af) — Southern Hemisphere, latitude 6.6°S — which shapes how much energy it can produce and how its output varies through the year.

25.0°Cannual mean temp
0heating degree-days (base 18°C)
2,554cooling degree-days (base 18°C)
206 melevation

Monthly mean temperature

J: 24 °CJF: 24 °CFM: 25 °CMA: 25 °CAM: 26 °CMJ: 25 °CJJ: 25 °CJA: 25 °CAS: 25 °CSO: 26 °CON: 25 °CND: 25 °CD26 °C

This site has effectively no heating season (tropical/equatorial climate), so winter heat loss is not the driver here. The thermal concern shifts to year-round process heat and humidity/heat-driven corrosion of hot equipment.

Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.

Site climate & environmental severity

For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in an aggressive, high-corrosion environment (estimated ISO 9223 class C5 — Very high), with marine salt corrosion the leading environmental stress.

C5ISO 9223 corrosivity (indicative)
47/100environmental-severity index
1.4°Cseasonal temperature swing
46 kmdistance to coast

Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.

Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.

How it compares & nearby plants

The #161 largest coal power plant of 191 in Indonesia by capacity.

Indonesia has 191 coal power plants in this dataset, together about 101,995 MW of capacity.

Nearby power plants

Location

Coordinates -6.5539, 107.4137 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Purwakarta Indorama Power Station?

Purwakarta Indorama Power Station is a 60 MW source-record coal power plant in West Java, Indonesia, commissioned in 2006.

How many homes can Purwakarta Indorama Power Station power?

Its output is enough to supply roughly 75,085 homes (estimated).

Who operates Purwakarta Indorama Power Station?

Purwakarta Indorama Power Station is operated by PT Indorama Synthetics Tbk.

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