Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Port Washington Generating Station | Midland Cogeneration Venture |
|---|---|---|
| Capacity | 1,229.6 MW | 1,468.6 MW |
| Technology | Natural Gas Fired Combined Cycle | Natural Gas Fired Combined Cycle |
| Operator | Wisconsin Electric Power Co | Midland Cogeneration Venture |
| Operating units | 6 | 16 |
| Latest 12-month generation | 7.25 TWh | 9.92 TWh |
| Latest complete-year capacity factor | 67.4% (2025) | 74.9% (2025) |
| National technology rank | #55 of 538 | #12 of 538 |
| Latest EIA report | 2026-04 | 2026-04 |