GB's LDES projects would be the largest batteries in the world by energy

Site energy capacity (GWh)

GB LDES Window 1 (bid)

Great Britain

USA

Australia

Source: Modo Energy asset registries (GB, ERCOT, NEM); Ofgem LDES Window 1 bids; public filings (CAISO sites). As of August 2026

Note: Graphic covers lithium-ion BESS in markets Modo Energy tracks. Very large battery storage sites in China and Saudi Arabia are not shown. Moss Landing shown at current operational capacity (350 MW/1,400 MWh).

MODOENERGY