Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Allegheny Energy Units 3 4 & 5 Allegheny County | Brunot Island Allegheny County |
|---|---|---|
| Capacity | 556 MW | 365.4 MW |
| Technology | Natural Gas Fired Combined Cycle | Petroleum Liquids, Natural Gas Fired Combined Cycle |
| Operator | Springdale Energy LLC | Brunot Island Power, LLC |
| Operating units | 3 | 7 |
| Latest 12-month generation | 4.34 TWh | 54.1 GWh |
| Latest complete-year capacity factor | 90.5% (2025) | 1.7% (2024) |
| National technology rank | #283 of 538 | #340 of 538 |
| Latest EIA report | 2026-04 | 2024-12 |
Generation comes from EIA-923. Capacity, unit counts, technology, and reporting relationships come from EIA-860. Incomplete reporting years are excluded from capacity-factor comparisons.