Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Roaring Brook, LLC | Ellenburg |
|---|---|---|
| Capacity | 79.7 MW | 81 MW |
| Technology | Onshore Wind Turbine | Onshore Wind Turbine |
| Operator | Avangrid Power LLC | Valcour Operating Services, LLC |
| Operating units | 1 | 1 |
| Latest 12-month generation | 190.2 GWh | 143.1 GWh |
| Latest complete-year capacity factor | 29.8% (2025) | 20.1% (2024) |
| National technology rank | #765 of 1,362 | #743 of 1,362 |
| Latest EIA report | 2026-06 | 2024-12 |