Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Port Washington Generating Station | Elm Road Generating Station |
|---|---|---|
| Capacity | 1,229.6 MW | 1,402.6 MW |
| Technology | Natural Gas Fired Combined Cycle | Natural Gas Steam Turbine |
| Operator | Wisconsin Electric Power Co | Wisconsin Electric Power Co |
| Operating units | 6 | 2 |
| Latest 12-month generation | 7.25 TWh | 7.21 TWh |
| Latest complete-year capacity factor | 67.4% (2025) | 60.0% (2025) |
| National technology rank | #55 of 538 | #12 of 257 |
| Latest EIA report | 2026-04 | 2026-04 |