China''s Green Leap: Hybrid Battery Station
The Baochi Energy Storage Station utilizes China''s first large-capacity sodium-ion battery, which has a response speed six times faster
In May 2024, Southern Grid commissioned a 10 MWh sodium-ion battery energy storage station in Nanning, Guangxi province, the first large-scale sodium-ion battery energy storage station in China. The energy storage station can store 100,000 kWh of electricity on a single charge, which can meet the needs of around 12,000 households for a day.
The energy storage station covers an area of about 50 mu (33,333 square meters) and has more than 150 battery compartments and boost-converter compartments with a maximum instantaneous output capacity of 200 MW.
The Baochi energy storage station -- operated by China Southern Power Grid (Southern Grid) and located in Wenshan, Yunnan province in southwestern China -- can store up to 800,000 kWh of electricity per day, which can be used by 270,000 households, according to a Xinhua news agency report yesterday.
Utilizing better-performing sodium batteries, coupled with technologically mature lithium batteries and an output capacity of 200 MW, the storage station can serve more than 30 wind and photovoltaic plants and stations in Yunnan, Wang said.
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