World Power Plants

Sejong Power Plant90 MW Hydroelectric

HydroRenewableVerified: Feb 2026

Sejong Power Plant, known locally as 대청댐, is a 90 MW hydroelectric facility in South Korea, operated by 한국수자원공사. Ranked #32 of 74 hydro plants in South Korea, Sejong contributes 0.57% to the country's total hydro capacity of 15,891 MW. The largest hydro plant in South Korea is Incheon Tidal Power Station at 1,450 MW, making Sejong 16.1 times smaller. Nearby plants include Sejong City (550 MW, Gas), 대청댐 (90 MW, Hydro), and Daecheong (90 MW, Hydro). The facility is located in the South Chungcheong Province, approximately 120 km from Seoul.

Capacity
90 MW
Commissioning Year
2003

23 years old

Owner
한국수자원공사
Location
36.4772°, 127.4807°

South Korea, Asia

Context & rankings
  • 160. largest of 265 plants in South Korea
  • #10,694 worldwide by installed capacity
  • #2,428 of 8,493 Hydroelectric plants worldwide
  • 0.04% of the installed capacity of South Korea
Age & fleet comparison

23 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Korea Water Resources Corporation operates 29 plants totalling 1,445 MW

Regional density

58 plants within 100 km, 39,849 MW combined

Nearest plant: 세종보 (19.6 km)

Data provenance

Location

Coordinates:: 36.477176, 127.480731
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Sejong Power Plant is a hydro power plant producing approximately 315 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
South Korea
Continent
Asia
Data Source
Global Power Plant Database

South KoreaEnergy Profile

265
Total Plants
255.7 GW
Total Capacity
CoalGasNuclearHydro
Top Fuels

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