South Korea

Namjeju Thermal Power Station— 200 MW Oil

OilVerified: Feb 2026

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남제주화력발전소, or Namjeju Power Plant, stands out as South Korea's 138th largest power generation facility among 265 total plants, generating a capacity of 200 MW. This output accounts for a mere 0.08% of the nation's significant total capacity of 256,029 MW, predominantly driven by coal. As South Korea's fourth largest oil power plant, Namjeju plays a niche role in a landscape where coal remains the dominant fuel type. This facility, operated by 한국남부발전, is strategically located on Jeju Island, where it serves to diversify the island's energy mix in an area heavily reliant on imported fuels. The plant employs oil-fired generation technology, which, while less environmentally friendly than renewables, provides critical backup power during peak demand periods. Within a 50 km radius, Namjeju is surrounded by several notable plants, including the Jeju Power Plant, which boasts a gas capacity of 548 MW, and other oil facilities like the Jeju Oil Plant at 255 MW and the Namjeju Power Plant itself. The average capacity for power plants in South Korea stands considerably higher than that of Namjeju, emphasizing its role in a region where larger coal and gas plants dominate. As the country transitions towards a more balanced energy portfolio, including a push for renewable sources, Namjeju's role as a reliable energy provider will remain crucial in the short term. Commissioned in its current form to support the region's energy needs, Namjeju is nonetheless positioned at a crossroads, where future developments may involve a shift towards cleaner energy technologies in line with national sustainability goals.