On October 30, State Grid Hunan Comprehensive Energy Service Co., Ltd. issued a bidding announcement for four renewable energy bundled energy storage projects in the cities of Chenzhou, Yongzhou, Loudi, and Shaoyang. Bidding has been divided into four contracts, which include 22.5MW/45MWh of capacity in Chenzhou, 7.5MW/15MWh in Loudi, 20MW/40MWh in Yongzhou, and 10MW/20MWh in Shaoyang. The projects have a combined total capacity of 60MW/120MWh. Grid connection testing is expected to take place in February 2021.
The maximum total price for the projects has been limited to 6.79 million RMB, and the maximum unit price has been limited to approximately 0.566 RMB per Wh. Among the four projects, the highest unit price is 0.698 RMB per Wh, while the lowest unit price is approximately 0.523 RMB per Wh. EPC development of the project will include project survey, design, construction, and equipment commissioning, but excludes the energy storage station (including batteries, battery management system, containers, and in-box smart auxiliary system), PCS equipment, and other materials procurement.
Project investment and construction is led by State Grid Hunan Comprehensive Energy Service Co., LTD., a joint venture between State Grid Hunan Electric Power Company and State Grid Comprehensive Energy Group, at 60% and 40% ownership, respectively. The project will utilize the State Grid Hunan Comprehensive Energy Service Co. leasing model, which leases energy storage equipment for the construction of energy storage stations, which are in turn leased to wind power companies.