SHANGHAI, Nov 17 (SMM) - The two energy storage methods are applied in power systems, communication base stations, data centres and rail transit;
The cumulative installed capacity of pumped storage of energy storage projects in operation worldwide accounted for 90.3% by the end of 2020, down 2.3% YoY;
The cumulative installed capacity of electrochemical energy storage increased by 2.3% to 7.5%, with 14.2GW of installed capacity, and the proportion of lithium batteries exceeded 90% for the first time to stand at approximately 13.1GW.

![[Energy Storage: NLC India subsidiary wins 275 MW/550 MWh BESS project in Gujarat]](https://imgqn.smm.cn/usercenter/PPLUj20251217171727.jpg)
![[Solar: Hanoi proposes household rooftop PV and storage subsidies of up to VND 6 million]](https://imgqn.smm.cn/usercenter/Bwmed20251217171726.jpg)
![[Energy Storage: Google-funded virtual power plant launches in the San Francisco Bay Area]](https://imgqn.smm.cn/usercenter/smDhO20251217171726.jpg)
