Review of Grid-Scale Energy Storage Technologies Globally and …
Bttom-up estimates of total capital cost for a 1-MW/4-MWh standalone battery system in India are $203/kWh in 2020, $134/kWh in 2025, and $103/kWh in 2030 (all in 2018 real dollars). When co-located with PV, the storage capital cost would be lower: $187/kWh in 2020, $122/kWh in 2025, and $92/kWh in 2030.