Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Middletown Energy Center Butler County | Tait Electric Generating Station Montgomery County |
|---|---|---|
| Capacity | 543.9 MW | 680.6 MW |
| Technology | Natural Gas Fired Combined Cycle | Petroleum Liquids, Natural Gas Fired Combustion Turbine |
| Operator | Ohio Power Partners, LLC | Kimura Power LLC |
| Operating units | 2 | 11 |
| Latest 12-month generation | 3.46 TWh | 1.33 TWh |
| Latest complete-year capacity factor | 66.0% (2025) | 22.3% (2024) |
| National technology rank | #294 of 538 | #54 of 825 |
| 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.