9 GW of utility, C&I, and residential battery energy storage systems in 2025. Q4 2025 set quarterly record with 5. is projected to install 500 GWh of storage from 2026-2031, a 250% increase over 2020-2025.
Official statistics by year of wind power generation (TWh). The values are presented in tables and charts with calculations of changes and shares, and with extensive analytical functionality.
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