Cave energy storage power plant

What is Jintan salt cavern energy storage project?

The second phase of Jintan Salt Cavern Compressed-Air Energy Storage Project plans to build two 350-megawatt non-supplementary fired compressed air energy storage units, with a total volume of 1.2 million cubic meters, making it the largest in unit capacity, storage volume, and efficiency.

Can compressed air energy be stored at Jintan salt cavern?

The national pilot demonstration project for storage of compressed air energy at Jintan salt cavern was officially put into commercial operation in Changzhou, East China's Jiangsu Province, on May 26.

When did China's salt cavern energy storage project start?

Its construction started in 2018 and the plant went into service on Sept 30, 2021. Completion and operation of the first phase of the project was a breakthrough in China's salt cavern compressed air energy storage technology and a milestone of commercialization of new-type energy storage technology in the country.

What is salt cavern compressed air energy storage?

Salt cavern compressed air energy storage refers to a method for compressing air into the huge cavity formed by water-solution-based salt mining during low electricity demand periods, and releasing air to drive an air turbine to generate electricity when it is needed.

What is Jintan salt cave CAES project?

The Jintan salt cave CAES project is a first-phase project with planned installed power generation capacity of 60MW and energy storage capacity of 300MWh. The non-afterburning compressed air energy storage power generation technology possesses advantages such as large capacity, long life cycle, low cost, and fast response speed.

How does salt cavern energy storage work?

Salt cavern compressed-air energy storage, dubbed as the underground "green power bank," stores electricity by compressing air into underground salt caverns during off-peak times. The air is then released during peak demand to generate electricity, balancing supply and demand, as China Group Media reported.