Record 20.2 GWh battery storage added in three months signals surging US energy demand.
Context
What happened: The US battery storage market posted its largest quarter ever, adding 20.2 GWh of new capacity in Q2 2026, according to a SEIA and Benchmark Mineral Intelligence report.
Key numbers: Q2 2026 additions 20.2 GWh; first half 2026 30.8 GWh, up 23% year over year; utility-scale about 18 GWh; Arizona 6.2 GWh, Texas 3.8 GWh,
Why it matters: Benchmark raised its storage forecast through 2030, and SEIA describes storage as a reliability tool that supports energy security and puts downward pressure on electricity bills. Residential storage weakened after the 25D credit was removed.
What changed
The US battery storage market posted its largest quarter ever, adding 20.2 GWh of new capacity in Q2 2026, according to a SEIA and Benchmark Mineral Intelligence report.
Why it matters
Benchmark raised its storage forecast through 2030, and SEIA describes storage as a reliability tool that supports energy security and puts downward pressure on electricity bills. Residential storage weakened after the 25D credit was removed.
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Oct 29, 2026 02:53 PM ET