Ampenan is a 56.3 MW oil power plant in West Nusa Tenggara, Indonesia. It is operated by PLN - West Nusa Tenggara Regional Unit/NTB. Based on its capacity (estimated), it can supply roughly 42k homes (estimated). It ranks #323 of 401 Indonesia power plants by installed capacity. Commissioned in 2020, it is around 6 years old — recently built. In context, oil supplies about 1.9% of Indonesia's electricity; the national grid averages 680 gCO₂/kWh (18.1% low-carbon) (2024).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1000736.
Data status
Known data
Calculated from dataset
Not available
Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.
Data provenance
Capacity and fuel are the upstream open-dataset record, not yet matched to a 2026 registry or GEM entry.
capacity: WRI GPPD; fuel: WRI GPPD
In context: how this plant compares
At 56.3 MW, Ampenan is well above the median oil plant in Indonesia (50.1 MW). Oil-fired plants burn heavy fuel oil or diesel, usually as peaking or backup capacity on islands and grids without gas pipelines; high fuel cost keeps their utilisation low.
Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.
Key facts
- Share of Indonesia oil capacity
- 6.6% of 852 MW across 18 plants in this dataset
- Age among peers
- 3 of 4 dated oil plants in Indonesia are older
Calculated from the capacity and generation records in this dataset (WRI Global Power Plant Database (CC BY 4.0)).
Capacity vs largest oil plants in Indonesia
Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).
Owner
Operated by PLN - West Nusa Tenggara Regional Unit/NTB.
Local climate & thermal context
This oil plant burns oil or diesel to drive turbines or reciprocating engines. It sits in a tropical savanna climate (Köppen Aw) — Southern Hemisphere, latitude 8.6°S — which shapes how much energy it can produce and how its output varies through the year.
Monthly mean temperature
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
This site sits in an aggressive, high-corrosion environment (estimated ISO 9223 class C5 — Very high), with marine salt corrosion the leading environmental stress.
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 #7 largest oil power plant of 18 in Indonesia by capacity.
Indonesia has 18 oil power plants in this dataset, together about 852 MW of capacity.
Nearby power plants
- Lombok 4 power station · Gas · 100 MW · West Nusa Tenggara
- Karang Asem power station · Coal · 200 MW · Bali
- Lombok 3 power station · Gas · 100 MW · West Nusa Tenggara
- Lombok FTP2 power station · Coal · 100 MW · West Nusa Tenggara
- Lombok 2 power station · Gas · 100 MW · West Nusa Tenggara
- Batu Hijau power station · Coal · 124 MW · West Nusa Tenggara
Location
Coordinates -8.5667, 116.0667 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
Frequently asked questions
What type of power plant is Ampenan?
Ampenan is a 56.3 MW oil power plant in West Nusa Tenggara, Indonesia, commissioned in 2020.
Who operates Ampenan?
Ampenan is operated by PLN - West Nusa Tenggara Regional Unit/NTB.