South Windsor Fuel Cell
Hartford County, Connecticut · EIA plant ID 63302 · Operator: South Energy Investments LLC
Nameplate5MWSummer 5 MW
Generators1in service
Net generation37GWh12 mo to Dec 2025
Capacity factor85%gas/coal/oil units, summer MW
Heat rate9,988Btu/kWhfossil units, electric fuel, HHV
First online2020Runs 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) |
|---|---|---|---|
| 2020 | 9.9 | 27.0% | 9,721 |
| 2021 | 3 | 7.0% | 9,383 |
| 2022 | 40.4 | 92.3% | 9,293 |
| 2023 | 39.2 | 89.4% | — |
| 2024 | 38.9 | 88.6% | 9,739 |
| 2025 | 37.4 | 85.4% | 9,988 |
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 |
|---|---|---|---|---|---|---|---|---|
| SWFC5 | Other Natural Gas | FC | 5 | 5 | Mar 2020 | Operating | — | coming soon |
Owner / operator
Operator: South Energy Investments LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| South Energy Investments LLC | 100.0% | 5 MW |
Nearby plants
Within 80 km.
| Hartford Landfill Solar EGF | 1 MW | 4 km |
| Cellu Tissue | 3 MW | 4.4 km |
| Windsor Solar One | 3 MW | 4.8 km |
| ALDI DC 2 | 1 MW | 6.5 km |
| East Windsor | 4 MW | 6.6 km |
| Manchester Community College North | 1 MW | 7.2 km |