Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Sanborn BESS 3 | Sanborn BESS 2 |
|---|---|---|
| 169 MW | 100 MW | |
| Batteries | Batteries | |
| Terra-Gen Operating Co-BESS | Terra-Gen Operating Co-BESS | |
| 1 | 1 | |
| 221.7 GWh | 129.4 GWh | |
| — | — | |
| #79 of 962 | #152 of 962 | |
| 2026-06 | 2026-06 |