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PLTU Suparma

Coal power plant in South Sulawesi, Indonesia. Approximate location -2.5213, 121.357.

CoalSouth SulawesiIndonesia

PLTU Suparma is a 27 MW coal power plant in South Sulawesi, Indonesia. It is operated by PT. Suparma (pulp industry). Based on its capacity (estimated), it can supply roughly 34k homes (estimated). It ranks #361 of 401 Indonesia power plants by installed capacity. In context, coal supplies about 61.5% of Indonesia's electricity; the national grid averages 680 gCO₂/kWh (18.1% low-carbon) (2024).

27Legacy source-record capacity
33,788homes powered (est.)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1000981.

Data status

Known data

FacilityPLTU Suparma WRI
CountryIndonesia · South Sulawesi WRI
Coordinates-2.5213, 121.357 WRI
FuelCoal WRI
MW installed capacity27 MW WRI source record; scope not independently normalised
OwnerPT. Suparma (pulp industry) WRI

Calculated from dataset

CO₂ emissions118,260 t CO₂/yr calculated
Capacity rank in country#361 of 401 calculated
Fuel-specific rank in country#182 of 191 calculated
Capacity vs country/fuel peers0.12× · 220 MW median · 191 peers calculated
Homes-powered equivalent33,788 calculated
Climate24.9°C · HDD 0 derived from coordinates
Environmental severityC4 · 41/100 derived from coordinates

Not available

CommissionedNot available not in dataset
TechnologyNot available not in dataset
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 fuel fields on this page are source-record values from the upstream open dataset. They are useful for identification and ranking, but they have not been upgraded to a 2026 registry/GEM-location verified value.

capacity: WRI Global Power Plant Database source-record (legacy); fuel: WRI source-record fuel

In context: how this plant compares

At 27 MW, PLTU Suparma is below the median coal plant in Indonesia (220 MW). 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. Suparma (pulp industry).

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 2.5°S — which shapes how much energy it can produce and how its output varies through the year.

24.9°Cannual mean temp
0heating degree-days (base 18°C)
2,514cooling degree-days (base 18°C)
459 melevation

Monthly mean temperature

J: 25 °CJF: 25 °CFM: 25 °CMA: 25 °CAM: 25 °CMJ: 24 °CJJ: 24 °CJA: 24 °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 a corrosive environment (estimated ISO 9223 class C4 — High), with humidity / wetness the leading environmental stress.

C4ISO 9223 corrosivity (indicative)
41/100environmental-severity index
1.4°Cseasonal temperature swing
53 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 #182 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 -2.5213, 121.357 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is PLTU Suparma?

PLTU Suparma is a 27 MW source-record coal power plant in South Sulawesi, Indonesia.

How many homes can PLTU Suparma power?

Its output is enough to supply roughly 33,788 homes (estimated).

Who operates PLTU Suparma?

PLTU Suparma is operated by PT. Suparma (pulp industry).

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