南网宝池储能站充放电量突破1亿千瓦时

Core Insights - The Baocai Energy Storage Station, China's first large-scale lithium-sodium hybrid energy storage facility, has achieved a cumulative charge and discharge volume of over 100 million kilowatt-hours, significantly supporting the integration of renewable energy into the power grid [1][2] Group 1: Project Overview - The Baocai Energy Storage Station, located in Yunnan, covers an area of approximately 50 acres and has a capacity of 200 megawatts/400 megawatt-hours, featuring 52 independent energy storage systems [1] - Since its commissioning in May, the station has recorded a total charge and discharge volume of 103 million kilowatt-hours and has been activated 272 times, maintaining a high-frequency operation of "two charges and two discharges" daily [1] Group 2: Technological Innovations - The Baocai Energy Storage Station serves as a pilot demonstration project for new energy storage technologies, achieving the world's first applications of various systems, including the "global first set of network-type sodium-ion energy storage systems" and the "world's largest single high-voltage direct-connected network-type energy storage system" [1] - The station utilizes five differentiated network-type energy storage technology routes, promoting the transition of new energy storage technologies from pilot demonstrations to mature applications [1] Group 3: Operational Impact - The station has enhanced the power grid's capacity to manage fluctuations, equivalent to the effect of 400,000 household air conditioners operating simultaneously, thereby stabilizing the integration of renewable energy from over 30 wind and solar power plants [1] - With Yunnan's installed renewable energy capacity exceeding 68 million kilowatts and a penetration rate nearing 70%, the Baocai Energy Storage Station plays a crucial role in supporting the high proportion of renewable energy in the power system [2]