Siemens set up an HL-class power island for a new CCPP

Siemens will set up a high-efficiency HL-class power island for a new combined cycle power plant (CCPP) in South Korea. This will be the first two state-of-the-art HL-class gas turbines that Siemens will supply to a customer in Asia. The new plant, which will be built in Yeoju, in South Korea’s Gyeonggi Province, will run on regasified liquefied natural gas (LNG) and offer a generating capacity of more than one gigawatt. With a maximum efficiency rating of more than 63%, the gas turbine will allow the power station to get the most out of the valuable LNG for electricity generation, enabling especially economical and environmentally friendly operation. The customer is South Korean EPC SK Engineering & Construction Co., Ltd., which is constructing the entire plant for the independent power producer Yeoju Energy Services.

Yeoju is designed as a multi-shaft CCPP, in which two gas turbines and one steam turbine will each drive their own generator. Siemens’ power island concludes two SGT6-9000HL gas turbines, one SST6-5000 steam turbine, three SGen6-2000P generators, two heat recovery steam generators, and the SPPA-T3000 distributed control system. The plant has a capacity of 1,004 megawatts. The commissioning is scheduled for mid-2022.

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