BNEF forecasts that global energy storage additions will reach 92 GW or 247 GWh in 2025, excluding pumped hydro. This marks a 23 percent increase in gigawatts over 2024, reflecting robust growth across established and emerging markets. . From price swings and relentless technological advancements to shifting policy headwinds and tailwinds, 2025 proved to be anything but uneventful. Prices keep falling Despite an increase in battery metal costs, global average prices for battery storage. . In 2025, the global adoption of solar + battery storage systems is accelerating faster than ever. ” With global market value surging from $4. 89 billion in 2024 to a projected $17. power grid in 2025 in our latest Preliminary Monthly Electric Generator Inventory report.