Battery energy storage system
OverviewMarket development and deploymentConstructionSafetyOperating characteristics
While the energy storage capacity of grid batteries is still small compared to the other major form of grid storage, Pumped-storage hydroelectricity with 200 GW power and 9000 GWh energy storage worldwide as of 2025 according to International Hydropower Association , the battery market is catching up very fast in terms of power generation capacity as price drops.

















