Kao Hin Son power station is a 600 MW coal power station in Chachoengsao, Thailand. It is operated by National Power Supply PCL [100%]. Based on its capacity (estimated), it can supply roughly 751k homes (estimated). It ranks #34 of 238 Thailand power plants by installed capacity. In context, coal supplies about 17.8% of Thailand's electricity; the national grid averages 546 gCO₂/kWh (16.6% low-carbon) (2025).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id GEM_coa_kaohinson_thail.
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: GEM GCPT; fuel: GEM GCPT
In context: how this plant compares
At 600 MW, Kao Hin Son power station is around the median coal plant in Thailand (660 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.
Key facts
- Share of Thailand coal capacity
- 3.4% of 17,394 MW across 18 plants in this dataset
Calculated from the capacity and generation records in this dataset (WRI Global Power Plant Database (CC BY 4.0)).
Capacity vs largest coal plants in Thailand
Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).
Owner
Operated by National Power Supply PCL [100%].
Climate zone & how it works
This coal plant burns coal to raise high-pressure steam that spins a turbine-generator. It sits in a tropical savanna climate (Köppen Aw) — Northern Hemisphere, latitude 13.7°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).
Site climate & environmental severity
This site sits in a corrosive environment (estimated ISO 9223 class C4 — High), with humidity / wetness 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 #10 largest coal power plant of 18 in Thailand by capacity.
Thailand has 18 coal power plants in this dataset, together about 17,394 MW of capacity.
Nearby power plants
- Koh Khanun power station · Gas · 114 MW · Chachoengsao
- Burapa power station · Gas · 540 MW · Chachoengsao
- Si Maha Phot II · Solar · 8 MW · Prachin Buri
- Si Maha Phot I · Solar · 8 MW · Prachin Buri
- Tha Tum power station · Coal · 328 MW · Prachin Buri
- Chachoengsao NNK cogeneration power station · Gas · 110 MW · Chachoengsao
Location
Coordinates 13.744722, 101.347222 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
Frequently asked questions
What type of power plant is Kao Hin Son power station?
Kao Hin Son power station is a 600 MW coal power plant in Chachoengsao, Thailand.
Who operates Kao Hin Son power station?
Kao Hin Son power station is operated by National Power Supply PCL [100%].