Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Montville Station New London County | New Haven Steam New Haven County |
|---|---|---|
| Capacity | 489.9 MW | 641.5 MW |
| Technology | Petroleum Liquids, Natural Gas Steam Turbine | Petroleum Liquids |
| Operator | Montville Power LLC | Generation Bridge II Connecticut, LLC |
| Operating units | 4 | 4 |
| Latest 12-month generation | 27.8 GWh | 167.0 GWh |
| Latest complete-year capacity factor | 0.6% (2024) | 1.9% (2025) |
| National technology rank | #14 of 705 | #5 of 705 |
| Latest EIA report | 2024-12 | 2026-04 |
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.