Sihanoukville CIIDG power station is a 405 MW coal power station in Preah Sihanouk, Cambodia. It is operated by CIIDG Erdos Hongjun Electric Power Co.. Based on its capacity (estimated), it can supply roughly 507k homes (estimated). It ranks #6 of 27 Cambodia power plants by installed capacity. Commissioned in 2015, it is around 11 years old — relatively modern. In context, coal supplies about 56.6% of Cambodia's electricity; the national grid averages 499 gCO₂/kWh (40.9% low-carbon) (2025).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1075837.
Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.
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 L100000100158); fuel: WRI source-record fuel
At 405 MW, Sihanoukville CIIDG power station is around the median coal plant in Cambodia (405 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.
Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).
Operated by CIIDG Erdos Hongjun Electric Power Co..
This coal plant burns coal to raise high-pressure steam that spins a turbine-generator. It sits in a tropical monsoon climate (Köppen Am) — Northern Hemisphere, latitude 10.7°N — 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.
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.
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 #4 largest coal power plant of 8 in Cambodia by capacity.
Cambodia has 8 coal power plants in this dataset, together about 5,360 MW of capacity.
Coordinates 10.7326, 103.5835 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
Sihanoukville CIIDG power station is a 405 MW source-record coal power plant in Preah Sihanouk, Cambodia, commissioned in 2015.
Its output is enough to supply roughly 506,828 homes (estimated).
Sihanoukville CIIDG power station is operated by CIIDG Erdos Hongjun Electric Power Co..
