Castle Peak power station is a 4,108 MW coal power station in Tuen Mun, China. It is operated by Castle Peak Power Company Limited (CAPCO). Based on its capacity (estimated), it can supply roughly 5,140,868 homes (estimated). It ranks #29 of 5,959 China power plants by installed capacity. Commissioned in 1986, it is around 40 years old — long-established. In context, coal supplies about 54.3% of China's electricity; the national grid averages 525 gCO₂/kWh (41.7% low-carbon) (2025).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1070187.
This facility's annual emissions are roughly equivalent to:
Estimated, not measured: from installed capacity at a typical 50% load factor × a typical coal emission factor (~1000 g CO₂/kWh, IPCC AR5 / US EIA). Actual emissions depend on plant efficiency and running hours.Equivalencies via US EPA Greenhouse Gas Equivalencies.
Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).
Operated by Castle Peak Power Company Limited (CAPCO).
This coal plant burns coal to raise high-pressure steam that spins a turbine-generator. It sits in a humid subtropical (dry winter) climate (Köppen Cwa) — Northern Hemisphere, latitude 22.4°N — which shapes how much energy it can produce and how its output varies through the year.
Monthly mean temperature
Heating degree-days here run 89% below the median power plant in this dataset — a proxy for how much extra energy heated equipment must replace through its surfaces in winter.
Climate heat-demand index: 17/100 — this site sits in the bottom third of the power plants we cover by heating degree-days.
In colder climates, uninsulated hot equipment (boilers, turbines, valves, steam lines) loses proportionally more heat to ambient air — exactly the loss Inzonex modular insulation is designed to cut.
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.
The #16 largest coal power plant of 1434 in China by capacity.
China has 1434 coal power plants in this dataset, together about 1,249,175 MW of capacity.
Coordinates 22.376, 113.9214 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
