Table 1

Installed capacities of different energy storage technologies [DOE]*.

Technology category Rated power (kW)
Lead-carbon 392
Liquid air energy storage 5,350
Compressed air energy storage 8,410
Hydrogen storage 20,485
Electro-chemical 338,878
Lithium-ion battery 754,610
Thermal storage 1,869,639
Electro-mechanical 1,923,688
Pumped-hydro storage 181,910,506

*Global energy storage Database, National Technology & Engineering Sciences of Sandia, LLC (NTESS), [Accessed: 17th November 2020].

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