Siemens supplies HL-class power island to South Korea

First order from Asia for HL-class gas turbine
New power plant with a capacity of more than one gigawatt
Efficiency rating of more than 63 percent

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 percent 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.

“The very high efficiency of our innovative HL-class technology makes it perfect for South Korea,” says 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.”

“We’re happy the Yeoju project gives us the chance to work with Siemens once again,” says 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."

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.

Power stations that will use the new Siemens HL-class gas turbine are currently under construction in North Carolina and Mississippi in the US, and in Lincolnshire in the UK. 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.

Siemens Gas and Power (GP) is a global pacesetter in energy, helping customers to meet the evolving demands of today’s industries and societies. GP comprises broad competencies across the entire energy value chain and offers a uniquely comprehensive portfolio for utilities, independent power producers, transmission system operators, the oil and gas industry and other energy intensive industries. Products, solutions, systems and services address the extraction, processing and the transport of oil and gas as well as power and heat generation in central and distributed thermal power plants, power transmission and grid stability, as well as energy transition technologies including storage. With global headquarters in Houston in the U.S. and more than 64,000 employees in over 80 countries, Siemens Gas and Power has a presence across the globe and is a leading innovator for the energy systems of today and tomorrow, as it has been for more than 150 years.

Siemens AG (Berlin and Munich) is a global technology powerhouse that has stood for engineering excellence, innovation, quality, reliability and internationality for more than 170 years. The company is active around the globe, focusing on the areas of electrification, automation and digitalization. One of the largest producers of energy-efficient, resource-saving technologies, Siemens is a leading supplier of efficient power generation and power transmission solutions and a pioneer in infrastructure solutions as well as automation, drive and software solutions for industry. With its publicly listed subsidiary Siemens Healthineers AG, the company is also a leading provider of medical imaging equipment – such as computed tomography and magnetic resonance imaging systems – and a leader in laboratory diagnostics as well as clinical IT. In fiscal 2018, which ended on September 30, 2018, Siemens generated revenue of €83.0 billion and net income of €6.1 billion. At the end of September 2018, the company had around 379,000 employees worldwide. Further information is available on the Internet at www.siemens.com.

Siemens supplies HL-class power island to South Korea

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