On Energy Storage power plants
Every generating plant EIA-860M files against On Energy Storage for 2026-07: 7 plants, 78 MW of nameplate capacity, across 1 state and 1 energy source.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Plants
- 7
- Nameplate capacity
- 78 MW
- States
- 1
- TX
- Energy sources
- 1
On Energy Storage plants by energy source
- Battery7 plants · 78 MW
Full list of On Energy Storage power plants
| Crosby Clean Energy Center (BESS)Batteries | On Energy Storage | Harris | 12 | 1 | 2025 | Operating |
| Maverick Clean Energy Center (BESS)Batteries | On Energy Storage | Brazoria | 12 | 1 | 2025 | Operating |
| Spencer Clean Energy Center (BESS)Batteries | On Energy Storage | Harris | 12 | 1 | 2025 | Operating |
| Winmil Clean Energy Center (BESS)Batteries | On Energy Storage | Brazoria | 12 | 1 | 2025 | Operating |
| Alamo Clean Energy Center (BESS)Batteries | On Energy Storage | Pecos | 10.1 | 1 | 2026 | Operating |
| Fort Stockton Clean Energy Center (BESS)Batteries | On Energy Storage | Pecos | 10.1 | 1 | 2026 | Operating |
| North Pecos Clean Energy Center (BESS)Batteries | On Energy Storage | Reeves | 10.1 | 1 | 2026 | Operating |
On Energy Storage: FAQ
- How many power plants does On Energy Storage operate?
- EIA-860M lists 7 operating plants against “On Energy Storage” for 2026-07, totalling 78 MW of nameplate capacity in 1 state.
- Is On Energy Storage the owner of these plants?
- EIA-860M names one reporting entity per generator. That entity operates the plant on the survey; ownership can sit with a parent, a partnership or a tax-equity structure that the form does not record.
- Why are affiliates listed separately?
- Because EIA files them separately. Rolling subsidiaries into a parent would need an ownership map EIA-860M does not publish, so this page does not invent one.