Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Tidwell Prairie Storage 1 | Chillingham Storage |
|---|---|---|
| 200 MW | 150 MW | |
| Batteries | Batteries | |
| Tidwell Prairie | Chillingham Storage LLC | |
| 1 | 1 | |
| 77.8 GWh | 103.8 GWh | |
| — | — | |
| #48 of 962 | #85 of 962 | |
| 2026-06 | 2026-06 |