09/01/2026
BREAKING: American energy storage surges in Q2, deploying more capacity and discharging more electricity than any quarter in history.
Here are the biggest takeaways:
- 20.2 gigawatt-hours (GWh) of new capacity in Q2, bringing total installations in the first half of 2026 to 30.8 GWh
- Utility-scale energy storage capacity has nearly doubled from 88 GWh to 165 GWh in the first 18 months of the Trump administration
- More than 74% of the energy storage capacity installed in Q2 was built in states won by President Donald Trump in 2024.
- Arizona led the country with 6.2 GWh of new storage installations in Q2, the strongest quarter for any one state on record.
- Battery energy storage supplied more electricity to the grid in the first eight months of 2026 than in all of 2025.
Dive into the data of SEIA's Energy Storage Market Outlook: https://seia.org/news/largest-quarter-on-record-for-energy-storage/