Excavation of Diversion Tunnel for SGCC's Hongping Pumped-Storage Power Station Completed in Jiangxi

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Researched by Industrial Info Resources China (Beijing, China)--Excavation of the 393-meter diversion tunnel for the State Grid Corporation of China's (SGCC) (Beijing) Hongping pumped-storage power station was fully completed in Jiangxi on December 27, 2011, according to Jiangxia Hydropower Construction Engineering Company (Nanchang, Jiangxi), the diversion tunnel contractor.

The facility, located in Jing'an County, in central China's Jiangxi province, is a symbolic project in the construction of Poyang Lake Ecological Economic Development Zone, and also the first large-scale pumped-storage power station to be built in Jiangxi province. The power station has a total planned capacity of 2,400 megawatts (MW), which will be built in phases.

Four 300-MW single-pole Francis convertible pumped-storage units will be built in Phase I, requiring a total investment of about $740 million. The power station is mainly comprised of the upper reservoir, the lower reservoir, water diversion system, the underground powerhouse as well as the surface substation. The upper reservoir takes advantage of the natural basin in the mountain, and the lower reservoir uses a natural river channel. The design head of the project is as high as 528 meters. Major function of the power station is for peak and frequency regulation, as well as emergency backup. Upon completion, the project will be able to generate about 4 billion kilowatt-hours of electricity.

State Grid Xin Yuan Holding Company Limited (Beijing), a subsidiary of the SGGC, is responsible for the development and future operation of the facility. HydroChina Huadong Engineering Corporation (Hangzhou, China), a subsidiary of China Hydropower Engineering Consulting Group Corporation (HydroChina) (Beijing), is responsible for the design and engineering of the project.

Construction of the project began in June 2010. According to the schedule, Phase I of the project is expected to begin operations in 2016. Upon completion, the project will be able to save about 115,000 metric tons of standard coal, and reduce the emissions of about 253,000 metric tons of carbon dioxide and 2,300 metric tons of sulfur dioxide every year.

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