First Asian Order For Siemens HL Turbine

Siemens announced it 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 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 1 GW. With a maximum efficiency rating of more than 63%, 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.

“The very high efficiency of our innovative HL-class technology makes it perfect for South Korea,” said Andreas Pistauer, head of Power Generation Asia and Pacific at Siemens Gas and Power. “The country has to import its entire gas requirement in the form of LNG by sea at huge cost, therefore higher efficiency ratings mean major financial benefits.”

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 commissioning is scheduled for mid-2022.

“We’re happy the Yeoju project gives us the chance to work with Siemens once again,” said Harrison Lee, senior executive vice president of SK Engineering & Construction. “Our collaboration on the Paju (Jangmoon) and Wirye projects has proven that we can construct highly efficient and high-performance power stations safely and reliably. Utilizing Siemens’ new HL-class technology, we are convinced that the resulting combined cycle power plant will provide especially economical and reliable energy.”

Other power stations that will use the new Siemens HL-class gas turbine are currently under construction in North Carolina and Mississippi in the U.S., and in Lincolnshire in the U.K. Yeoju is the fourth order Siemens has received for its HL-class, and the company has now sold a total of five machines of this type. The Siemens HL-class is based on the proven design of the SGT-8000H series of gas turbines, and benefits from the extensive experience gained with this type, which has now accumulated more than one million service hours around the world.

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