On August 2, 2023, Qianyuan Power held the eighth meeting of the tenth board of directors, which reviewed and passed the Proposal on Investment in Feasibility Study of Guizhou Guangma Hybrid Pumped-storage hydroelectricity.

Project Overview

Guizhou Guangma Hybrid Pumped-storage hydroelectricity is a key project of the 14th Five Year Plan for the medium and long-term development of pumped storage released by the National Energy Administration. The power station is located at the junction of Guanling County, Anshun City and Qinglong County, Qianxinan Prefecture, about 82km, 76km and 157km respectively from Liupanshui City, Anshun City and Guiyang. The upper and lower reservoirs will respectively use the existing Guangzhao Reservoir and Mamaya Reservoir to build a new water conveyance system, underground powerhouse and switch station on the mountain on the left bank of Guangzhao Dam. After the completion of the power station, it mainly undertakes tasks such as peak shaving, valley filling, energy storage, frequency regulation, phase modulation, and emergency backup for the Guizhou power system.

According to the pre feasibility study report of the Guangma hybrid Pumped-storage hydroelectricity in Guizhou Province, the preliminary installed capacity of the Guangma hybrid Pumped-storage hydroelectricity is 800000 kilowatts, the estimated static investment of the project is 4.597 billion yuan, the static investment per kilowatt is 5746 yuan/kW, the total project investment is 5.382 billion yuan, and the dynamic investment per kilowatt is 6728 yuan/kW. Based on the on grid electricity price of 0.3515 yuan/kWh, the estimated financial internal rate of return after capital tax is 6.5%, The grid capacity price of Guangma Pumped-storage hydroelectricity is 632 yuan/kW, and the financial evaluation of the basic scheme is feasible. Editor/Zhao E