U.S. Battery Storage Monthly

Highlights:

• EnerWraps wrangles EIA 923M data from spreadsheets to provide the singular look at U.S. gross battery discharge

• The latest data is from May 2025

• U.S. gross battery storage discharge in May was 2,013,359 MWHrs, up 7.0% versus last month and up 114.4% versus last year

• Last 12-month U.S. gross battery discharge was 17.75 GWHrs, up 126.7%

• U.S. operating battery storage capacity is currently 40,458 MW

• U.S. operating and planned battery storage capacity is 97,270 MW

• Estimated capacity factors are shown

Full report attached