The compressed air energy storage power station in Changzhou, east China’s Jiangsu Province. /China Power
The compressed air energy storage power station in Changzhou, east China’s Jiangsu Province. /China Power
China’s compressed air energy storage in a salt cavern connected to the grid in Changzhou, east China’s Jiangsu Province, on Thursday.This is the first time China has used a salt cavern for energy storage by compressing air.The energy storage power station has compressed and stored the ambient air under pressure in an underground salt cavern. When the electricity is required, the pressurized air is heated and expanded in an expansion turbine driving a generator for power production.The salt cavern was formed after the underground salt layer in an area was been mined, which is a stable…