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Sejong City550 MW Natural Gas

Gas

The Sejong City is a key infrastructure asset in South Korea's power generation grid, located on the continent of Asia. Designated as a fossil fuel electricity generation station, the facility features an installed capacity of 550 MW. Its primary operation relies on harnessing gas energy resources to generate bulk electricity. Operational management and ownership of the facility are handled by the Korea Midland Power Company, which oversees daily maintenance and grid dispatch integration. The facility was officially connected to the commercial grid in 2013, since which it has maintained regular output, playing a structured role in domestic power supply security. In terms of domestic production capacity within South Korea, Sejong City occupies the #44 position among all operational gas power plants. Its 550 MW capacity represents a 0.72% share of South Korea's total installed gas generating capacity, which currently stands at 76,023 MW. The largest operational gas installation in South Korea is the Taean Thermal Power Plant with an output of 6,446 MW, making the Sejong City approximately 11.7 times smaller by comparison. Across all fuel types and electricity generation technologies country-wide, this facility accounts for 0.2151% of South Korea's aggregate generation capacity of 255,681 MW. Based on historical capacity factors characteristic of gas power plants (modeled at 40% for analysis), the facility's expected annual electricity generation is calculated at approximately 1,927,200 MWh. Applying domestic consumption statistics where an average household in South Korea consumes 3 MWh of electricity annually, this level of production is sufficient to meet the energy demands of roughly 642,400 homes. By utilizing traditional thermal power processes, the station delivers reliable dispatchable energy to the grid, supporting grid resilience during periods of low renewable resource availability and satisfying industrial base-load demands. The physical site of the station is located at geographic coordinates 36.4683° latitude and 127.2479° longitude. Analysis of local grid infrastructure shows a density of other assets within a 50-kilometer radius. These nearby facilities include Daecheong (hydro, 90 MW), Sejong Power Plant (hydro, 90 MW), Daecheong Dam (hydro, 90 MW), representing a cluster of localized power assets. This geographic placement is vital for reinforcing regional distribution infrastructure and minimizing transmission line losses across this sector of South Korea.

Capacity
550 MW
Commissioning Year
2013

13 years old

Owner
Korea Midland Power Company
Location
36.4683°, 127.2479°

South Korea, Asia

Location

Coordinates:: 36.468300, 127.247900
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Carbon Footprint490 g CO₂/kWh
Annual CO₂
1.06 Mt
2168 GWh/year × 490 g/kWh
Cumulative CO₂
13.81 Mt
Over 13 years of operation
Est. Retirement
2043
17 years remaining
Annual emissions equivalent to
230.9K
cars per year
141.6K
homes per year
48.3M
trees to offset

Estimates based on Gas emission factor (490 g CO₂/kWh) and capacity factor (45%). Actual emissions may vary based on operating conditions, efficiency, and fuel quality.

Technical Details

Primary Fuel Type
Gas
Energy Source
Non-Renewable
Country
South Korea
Continent
Asia
Data Source
Global Power Station Database

South KoreaEnergy Profile

265
Total Stations
255.7 GW
Total Capacity
CoalGasNuclearHydro
Top Fuels

Gas Power Generation: An Overview of Technology, Impact, and Future Trends

Gas power generation is a pivotal component of the global energy landscape, with 4,378 gas power plants operational across 113 countries, contributing a total installed capacity of 1,731.2 gigawatts (GW). The United States leads in this sector, housing 1,881 plants with a capacity of 575.0 GW, followed by Russia, Iran, Japan, and China. This technology primarily utilises natural gas as a fuel source, which is burned to produce electricity through various processes, predominantly gas turbines and combined cycle systems.

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