Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Wolf Tank Storage | Myrtle Storage |
|---|---|---|
| Capacity | 150 MW | 150 MW |
| Technology | Batteries | Batteries |
| Operator | Wolf Tank Storage LLC | Myrtle Storage, LLC |
| Operating units | 1 | 1 |
| Latest 12-month generation | 61.7 GWh | 26.5 GWh |
| Latest complete-year capacity factor | — | — |
| National technology rank | #85 of 962 | #85 of 962 |
| Latest EIA report | 2026-06 | 2026-06 |