World Power Plants

Ubol Ratana Dam25.2 MW Hydroelectric

HydroRenewableVerified: Feb 2026

Ubol Ratana Dam is a 25.2 MW hydroelectric power plant in Thailand, operated by the Electricity Generating Authority of Thailand since 1966. Ranked #33 of 45 hydro plants in Thailand, it represents 0.24% of the country's total hydro capacity of 10,637 MW. The largest hydro plant in Thailand is โรงไฟฟ้าลำตะคอง at 1,000 MW, making Ubol Ratana Dam 39.7 times smaller. Nearby plants include Nam Phom (710 MW, Gas) and Nam Phong Power Plant (650 MW, Gas). The facility is located in the province of Khon Kaen, approximately 150 km northeast of the city of Khon Kaen.

Capacity
25.2 MW
Commissioning Year
1966

60 years old

Owner
Electricity Generating Authority of Thailand
Location
16.7742°, 102.6192°

Thailand, Asia

Context & rankings
  • 127. largest of 293 plants in Thailand
  • #17,677 worldwide by installed capacity
  • #4,079 of 8,493 Hydroelectric plants worldwide
  • 0.03% of the installed capacity of Thailand
Age & fleet comparison

60 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Electricity Generating Authority of Thailand operates 32 plants totalling 19,339 MW

Regional density
Data provenance

Source: Wikidata

Location

Coordinates:: 16.774167, 102.619167
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Carbon Footprint

Zero Direct Emissions

Ubol Ratana Dam is a hydro power plant producing approximately 88 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~24 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Hydro
Energy Source
Renewable
Country
Thailand
Continent
Asia
Data Source
Global Power Plant Database

ThailandEnergy Profile

293
Total Plants
96.3 GW
Total Capacity
GasCoalHydroSolar
Top Fuels

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