Siemens Energy to power China’s Greater Bay Area

30 March 2022


Siemens Energy has recently entered into separate agreements with Guangdong Energy Group and Shenzhen Energy Group to deliver a total of four H-class combined cycle power units to their power plants located in the Guangdong-Hong Kong-Macao Greater Bay Area in southern China. The new and updated power plants will help meet the growing power demand in the region. In addition, with the one-hundredth unit sold, the projects also mark a milestone in the story of the SGT-8000H gas turbine.

Under the agreement with Guangdong Energy, Siemens Energy will deliver a 675MW combined cycle power generation unit, including a SGT5-8000H gas turbine, a steam turbine, two generators and related auxiliary equipment, and long-term maintenance service for the plant in Guangzhou owned by Guangdong Yuehua Power Co. The existing coal-fired power plant will be upgraded to a modern, higher-efficiency gas-fired plant, reducing carbon dioxide emissions by more than 60 %. It will generate 2.3 billion kWh of energy annually and is expected to go into commercial operation in mid-2023.

The agreement with Shenzhen Energy includes supplying three H-class combined cycle power units for the Phase II project at the Dongbu plant and the upgrade project at Mawan power plant. The scope includes three SGT5-8000H gas turbines, three SST-5000 steam turbines, three SGen5-3000W generators, and auxiliary systems. The two projects, both located in Shenzhen, are scheduled to go into operation by the end of 2023 and in mid-2024 respectively. The annual total generation of the two plants is expected to exceed six billion kWh.

With a population of over 70 million, the Guangdong-Hong Kong-Macao Greater Bay Area (GBA) is among the most dynamic regions in China. It is intended that GBA will grow into a global sci-tech innovation centre and a role model of sustainable development for the country. In December 2019, Siemens Energy and Shenzhen Energy agreed a strategic partnership in the areas of R&D and smart and green energy.

The 88 SGT-8000H gas fired units now in operation, which are also capable of hydrogen co-firing, have chalked up over 2.5 million operating hours to date. Since its launch, the output rating of the gas turbine has grown from 375 MW to 450 MW, with an efficiency rating of over 62 % in combined cycle operation.



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