Home / Asia / South Korea / Yongin Semiconductor Cluster power station

Yongin Semiconductor Cluster power station

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).

1,005MW installed capacity
1HRSG unit(s)
1,131,917homes powered (est.)
2026Pre Construction

Plant data: WRI Global Power Plant Database (CC BY 4.0), id GOGPT_yonginsemiconductorclu_southk.

Data status

Known data

FacilityYongin Semiconductor Cluster power station GEM-GOGPT
CountrySouth Korea · Gyeonggi GEM-GOGPT
Coordinates37.236456, 127.184365 GEM-GOGPT
FuelGas GEM-GOGPT
MW installed capacity1,005 MW GEM GOGPT; source record
OwnerSK E&S; Korea Midland Power Co Ltd GEM-GOGPT
Commissioned2026 GEM-GOGPT
TechnologyCCGT · HRSG GEM-GOGPT

Calculated from dataset

CO₂ emissions1,584,684 t CO₂·a⁻¹ calculated
Capacity rank in country#41 / 216 calculated
Fuel-specific rank in country#18 / 77 calculated
Capacity vs country/fuel peers1.95× · 515 MW · n=77 calculated
Homes-powered equivalent1,131,917 calculated
Environmental severityC2 · 35/100 derived from coordinates

Not available

GWh reported / yrNot available not in dataset

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

Data provenance

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

In context: how this plant compares

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.

Capacity vs largest gas plants in South Korea

Incheon: 3,052 MW3kIncheonDangjin Combined Cycle power station: 2,406 MW2kDangjin Co…Samchonpo power station: 2,120 MW2kSamchonpo …KOMIPO Incheon: 1,960 MW2kKOMIPO Inc…Boryeong (CC): 1,800 MW2kBoryeong (…Busan (pusan): 1,800 MW2kBusan (pus…Seoincheon: 1,800 MW2kSeoincheonShinincheon: 1,800 MW2kShinincheon

Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by SK E&S; Korea Midland Power Co Ltd.

Climate zone & how it works

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.

~10°Ctypical annual mean
~25°Ctypical warm-season mean
Monsoon hot-summer continental: four distinct seasons — cold winters and warm summers

Climate zone & typical temperatures: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).

Site climate & environmental severity

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.

C2ISO 9223 corrosivity (indicative)
35/100environmental-severity index
28.6°Cseasonal temperature swing
56 kmdistance to coast

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.

How it compares & nearby plants

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.

Nearby power plants

Location

Coordinates 37.236456, 127.184365 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Yongin Semiconductor Cluster power station?

Yongin Semiconductor Cluster power station is a 1,005 MW gas power plant in Gyeonggi, South Korea, Pre Construction 2026.

How many homes can Yongin Semiconductor Cluster power station power?

Its output is enough to supply roughly 1,131,917 homes (estimated).

Who operates Yongin Semiconductor Cluster power station?

Yongin Semiconductor Cluster power station is operated by SK E&S; Korea Midland Power Co Ltd.

Built from open public data; no personal information. Operate this site? Request a correction or removal.