East Halmahera power station is a 830 MW coal power station in North Maluku, Indonesia. It is operated by PT Guna Darma Integra. Based on its capacity (estimated), it can supply roughly 1.0 million homes (estimated). It ranks #47 of 401 Indonesia power plants by installed capacity. Commissioned in 2023, it is around 3 years old — recently built. In context, coal supplies about 61.5% 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 GEM_coa_easthalmahera_indon.
Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.
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: GEM GCPT; fuel: GEM GCPT
At 830 MW, East Halmahera power station is well above 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.
Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).
Operated by PT Guna Darma Integra.
This coal plant burns coal to raise high-pressure steam that spins a turbine-generator. It sits in a tropical rainforest climate (Köppen Af) — Northern Hemisphere, latitude 0.8°N — which shapes how much energy it can produce and how its output varies through the year.
Climate zone & typical temperatures: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).
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 extreme marine/tropical environment (estimated ISO 9223 class CX — Extreme), with marine salt corrosion the leading environmental stress.
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.
The #30 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.
Coordinates 0.832508, 128.285273 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
East Halmahera power station is a 830 MW coal power plant in North Maluku, Indonesia, commissioned in 2023.
Its output is enough to supply roughly 1,038,685 homes (estimated).
East Halmahera power station is operated by PT Guna Darma Integra.
