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Sumbawa-1 power station

Gas power plant in West Nusa Tenggara, Indonesia. Approximate location -8.484007, 117.364867.

GasWest Nusa TenggaraIndonesiaEngine

Sumbawa-1 power station is a 50 MW gas power plant in West Nusa Tenggara, Indonesia. It is operated by PT PLN (Persero) [100%]. Based on its capacity (estimated), it can supply roughly 56k homes (estimated). It ranks #342 of 401 Indonesia power plants by installed capacity. In context, gas supplies about 18.5% of Indonesia's electricity; the national grid averages 680 gCO₂/kWh (18.1% low-carbon) (2024).

50MW installed capacity
56,314homes powered (est.)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id GOGPT_sumbawa1_indone.

Data status

Known data

FacilitySumbawa-1 power station GEM-GOGPT
CountryIndonesia · West Nusa Tenggara GEM-GOGPT
Coordinates-8.484007, 117.364867 GEM-GOGPT
FuelGas GEM-GOGPT
MW installed capacity50 MW GEM · 2026 · L100000408927; operating plant capacity
OwnerPT PLN (Persero) [100%] GEM-GOGPT
TechnologyEngine GEM-GOGPT

Calculated from dataset

CO₂ emissions78,840 t CO₂·a⁻¹ calculated
Capacity rank in country#342 / 401 calculated
Fuel-specific rank in country#130 / 138 calculated
Capacity vs country/fuel peers0.33× · 150 MW · n=138 calculated
Homes-powered equivalent56,314 calculated
Environmental severityC5 · 47/100 derived from coordinates

Not available

CommissionedNot 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/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 · 2026 · L100000408927; fuel: GEM GOGPT

In context: how this plant compares

At 50 MW, Sumbawa-1 power station is below the median gas plant in Indonesia (150 MW). Technically it is described as Engine. Gas plants burn natural gas either in open-cycle turbines for fast peaking, or in combined-cycle units that recover exhaust heat in an HRSG to reach roughly 55–62% efficiency — the cleanest-burning fossil option.

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

Capacity vs largest gas plants in Indonesia

Batubara power station: 4,800 MW5kBatubara p…Sujiawumei LNG power station: 2,400 MW2kSujiawumei…PLTGU Jawa-1 power station: 1,760 MW2kPLTGU Jawa…PLTGU Gresik: 1,579 MW2kPLTGU Gres…PLTGU Priok Block 1 2: 1,180 MW1kPLTGU Prio…PLTGU Tambak Lorok: 1,034 MW1kPLTGU Tamb…Jawa-4 power station: 1,000 MW1kJawa-4 pow…Jawa-5 power station: 1,000 MW1kJawa-5 pow…

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

Owner

Operated by PT PLN (Persero) [100%].

Climate zone & how it works

This gas plant burns natural gas in a turbine — often in a combined-cycle setup — to generate electricity. It sits in a tropical savanna climate (Köppen Aw) — Southern Hemisphere, latitude 8.5°S — which shapes how much energy it can produce and how its output varies through the year.

~26°Ctypical annual mean
~29°Ctypical warm-season mean
Tropical savanna: hot and humid year-round with little seasonal variation

Climate zone & typical temperatures: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).

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
1.7°Cseasonal temperature swing
19 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 #130 largest gas power plant of 138 in Indonesia by capacity.

Indonesia has 138 gas power plants in this dataset, together about 44,657 MW of capacity.

Nearby power plants

Location

Coordinates -8.484007, 117.364867 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Sumbawa-1 power station?

Sumbawa-1 power station is a 50 MW gas power plant in West Nusa Tenggara, Indonesia.

How many homes can Sumbawa-1 power station power?

Its output is enough to supply roughly 56,314 homes (estimated).

Who operates Sumbawa-1 power station?

Sumbawa-1 power station is operated by PT PLN (Persero) [100%].

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