Technical FAQs 4

Does China's energy storage capacity exceed pumped storage capacity?

China's installed capacity of new-type energy storage exceeded that of pumped storage for the first time at the end of 2024, according to the recent data release of China Energy Storage Alliance (CNESA).

Will China develop new energy storage systems between 2025 and 2027?

BEIJING, Sept. 12 -- China on Friday unveiled an action plan to promote the development of new forms of energy storage between 2025 and 2027, amid efforts to support green energy transition and ensure the stability of new-type power systems.

What is the energy storage plan?

The plan outlined 21 key measures, including scaling up energy storage applications in power generation and grid infrastructure, accelerating technological innovation, and improving standardization. It also emphasized talent development and enhancing international cooperation in the sector.

How is energy stored in China?

In eastern Chinese city of Changzhou, air compressed to over 120 atmospheres in salt caverns 1,000 meters underground is used for energy storage. The heat generated is transferred to thermal oil, and then the electricity is regenerated on command.

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