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Posted October 30, 2026

The share of solar generation with co-located battery storage is increasing ›

Annual solar capacity additions Share of solar with battery storage

Data source: U.S. Energy Information Administration, EIA-860M, Monthly Update to the Annual Electric Generator Report

Utility-scale solar developers are increasingly co-locating battery storage with new solar photovoltaic capacity. As of September 2026, over 16% of new utility-scale solar capacity added this year is co-located with operable battery storage, compared with 2% in 2017, according to data reported to EIA by operators.

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