Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Port Washington Generating Station | Riverside Energy Center |
|---|---|---|
| Capacity | 1,229.6 MW | 674.9 MW |
| Technology | Natural Gas Fired Combined Cycle | Natural Gas Fired Combined Cycle |
| Operator | Wisconsin Electric Power Co | Wisconsin Power & Light Co |
| Operating units | 6 | 3 |
| Latest 12-month generation | 7.25 TWh | 3.53 TWh |
| Latest complete-year capacity factor | 67.4% (2025) | 56.0% (2025) |
| National technology rank | #55 of 538 | #197 of 538 |
| Latest EIA report | 2026-04 | 2026-04 |