Derby Fuel Cell
New Haven County, Connecticut · EIA plant ID 62588 · Operator: Derby Fuel Cell LLC
Nameplate14MWSummer 14 MW
Generators5in service
Net generation110GWh12 mo to Dec 2025
Capacity factor90%gas/coal/oil units, summer MW
Heat rate8,796Btu/kWhfossil units, electric fuel, HHV
First online2024Runs as baseload
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2023 | 8.2 | — | 8,697 |
| 2024 | 105.9 | 86.1% | 8,526 |
| 2025 | 110.3 | 89.9% | 8,796 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| MM45 | Other Natural Gas | FC | 2.8 | 2.8 | Jan 2024 | Operating | — | coming soon |
| MM46 | Other Natural Gas | FC | 2.8 | 2.8 | Jan 2024 | Operating | — | coming soon |
| MM47 | Other Natural Gas | FC | 2.8 | 2.8 | Jan 2024 | Operating | — | coming soon |
| MM48 | Other Natural Gas | FC | 2.8 | 2.8 | Jan 2024 | Operating | — | coming soon |
| MM49 | Other Natural Gas | FC | 2.8 | 2.8 | Jan 2024 | Operating | — | coming soon |
Owner / operator
Operator: Derby Fuel Cell LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Derby Fuel Cell LLC | 100.0% | 14 MW |
Nearby plants
Within 80 km.
| Derby Hydro | 9 MW | 0.3 km |
| Benz Solar 1 | 1 MW | 3.7 km |
| Benz Solar 2 | 1 MW | 3.8 km |
| Kinneytown New Old | 2 MW | 5 km |
| Emerald Gardens PKI, LLC | 2 MW | 6.2 km |
| Sikorsky Aircraft CHP | 10 MW | 8.3 km |