U.S. Solar Installations See Rapid Rise in Co‑Located Battery Storage
Current overview (not historical)
By September 2026, 16% of newly installed U.S. utility‑scale solar capacity includes co‑located battery storage, a sharp jump from 2% in 2017. When measured against total installed capacity, 13% of U.S. solar is photovoltaic, and 18% of that PV is paired with batteries. The trend is strongest in the Southwest, where California, Arizona, New Mexico, and Nevada have co‑location rates more than twice the national average. Looking ahead, the share is projected to climb to 19% for the remainder of 2026, and long‑term plans suggest it could exceed 30% during 2027‑2028.
Written with AI from the reporting · updated 10/30/2026
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- 1Unclassified fact stationOct 30, 21:51single sourcereport-time onlyrevised
Solar generation with co-located battery storage share incre
Read original source ↗ EIA Today in EnergyReplay this moment in the explorerEvidence & revisions · 1 source records
- Subject：
- utility-scale solar developers
- Action：
- co-locating battery storage with new solar photovoltaic capacity
- Object：
- new solar photovoltaic capacity
- Occurred (fact side)：
- not recorded
- Published (valid side)：
- Oct 30, 22:00
- First seen (known side)：
- Oct 30, 21:51
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- EIA Today in EnergyFirst-party sourceRelated fact: single sourceFact occurrence time unverifiedSource report revisedUtility-Scale Solar Developers Co-Location Battery Storage at 16% of New Capacity
Report first recorded Oct 30, 21:51
Utility‑scale solar developers in the U.S. are increasingly adding battery storage to new photovoltaic projects. As of September 2026, 16% of the new solar capacity added this year is co‑located with operable battery storage, up from 2% in 2017. Planned additions for the last quarter of 2026 could raise the share to 19%, and long‑term plans for 2027‑2028 show the proportion could exceed 30%. Co‑located plants can shift solar output between the grid and batteries to take advantage of fluctuating wholesale prices, improving revenue stability. The trend is strongest in the Southwest, where the share of solar capacity with battery storage is more than double the national average. Overall, 13% of U.S. utility‑scale generating capacity is solar PV, and 18% of that is co‑located with batteries.
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- 10Oct 30, 22:00
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