Seoul (Underground) Combined Cycle Power Plant is an 800MW gas fired power project. It is located in Seoul, South Korea. The project is currently active. It has been developed in multiple phases. The project construction commenced in 2013 and subsequently entered into commercial operation in November 2019.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Thermal 800 800 Active Seoul, South Korea Korea Midland Power


The project is developed and owned by Korea Midland Power.

It is a Combined Cycle Gas Turbine (CCGT) power plant. The power plant run on dual-fuel. The primary fuel being used to power the plant is liquified natural gas. In case of shortage of liquified natural gas the plant can also run on Coal.

The project cost is $932.36m.

Development Status

The project construction commenced in 2013 and subsequently entered into commercial operation in November 2019.

Contractors Involved

POSCO Engineering & Construction was selected to render EPC services for the gas fired power project.

Doosan Heavy Industries & Construction was selected as the turbine supplier for the Gas fired project.

Doosan Heavy Industries & Construction supplied electric generator for the project.

Doosan Heavy Industries & Construction supplied steam boiler for the project.

About Korea Midland Power

Korea Midland Power Co., Ltd. (Komipo), a subsidiary of Korea Electric Power Corporation, is an electric utility which generates electricity; operates power plants; and provides various energy services. The company produces electricity from bituminous coal, anthracite coal, liquefied natural gas, solar, heavy oil, hydro, and wind sources. It owns and operates steam, internal combustion and combined cycle thermal power generation, pumped-storage, and renewable energy power plants. Komipo offers EPC management, consulting, education and training program, power plant operation and maintenance, and technical exchange program services. The company serves in domestic and overseas regions; and has plants in Boryeong, Incheon, Cheonan, Yeosu, Chungbuk. Komipo is headquartered in Boryeong-si, Chungcheongnam-do, South Korea.


All power projects included in this report are drawn from GlobalData’s Power Intelligence Center. The information regarding the project parameters is sourced through secondary information sources such as electric utilities, equipment manufacturers, developers, project proponent’s – news, deals and financial reporting, regulatory body, associations, government planning reports and publications. Wherever needed the information is further validated through primary from various stakeholders across the power value chain and professionals from leading players within the power sector.