Gas power plant in Gyeonggi, South Korea. Approximate location 37.236456, 127.184365.
GasGyeonggiSouth KoreaCCGT · HRSGPre Construction
Yongin Semiconductor Cluster power station is a 1,005 MW gas power station in Gyeonggi, South Korea. It is operated by SK E&S; Korea Midland Power Co Ltd. Based on its capacity (estimated), it can supply roughly 1.1 million homes (estimated). It ranks #41 of 216 South Korea power plants by installed capacity. In context, gas supplies about 27.9% of South Korea's electricity; the national grid averages 417 gCO₂/kWh (40.0% low-carbon) (2025).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id GOGPT_yonginsemiconductorclu_southk.
Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.
The capacity and fuel fields on this page are source-record values from the upstream open dataset. They are useful for identification and ranking, but they have not been upgraded to a 2026 registry/GEM-location verified value.
capacity: GEM GOGPT; fuel: GEM GOGPT
At 1,005 MW, Yongin Semiconductor Cluster power station is well above the median gas plant in South Korea (515 MW). Technically it is described as CCGT; combined-cycle with a heat-recovery steam generator (HRSG). Its current lifecycle status is “Pre Construction” — so it is not yet, or no longer, generating at full output. Gas plants burn natural gas either in open-cycle turbines for fast peaking, or in combined-cycle units that recover exhaust heat in an HRSG to reach roughly 55–62% efficiency — the cleanest-burning fossil option.
Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.
Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).
Operated by SK E&S; Korea Midland Power Co Ltd.
This gas plant burns natural gas in a turbine — often in a combined-cycle setup — to generate electricity. It sits in a monsoon hot-summer continental climate (Köppen Dwa) — Northern Hemisphere, latitude 37.2°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).
For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in a mild atmospheric environment (estimated ISO 9223 class C2 — Low), with thermal cycling the leading environmental stress.
Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.
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.
The #18 largest gas power plant of 77 in South Korea by capacity.
South Korea has 77 gas power plants in this dataset, together about 58,006 MW of capacity.
Coordinates 37.236456, 127.184365 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
Yongin Semiconductor Cluster power station is a 1,005 MW gas power plant in Gyeonggi, South Korea, Pre Construction 2026.
Its output is enough to supply roughly 1,131,917 homes (estimated).
Yongin Semiconductor Cluster power station is operated by SK E&S; Korea Midland Power Co Ltd.