IBM SouthburyRetired
New Haven County, Connecticut · EIA plant ID 59801 · Operator: Bloom Energy
×1 MW natural gas retired since 2020 (latest Dec 2023)
Nameplate—MWSummer — MW
Generators0in service
Net generation—GWh12 mo
Capacity factor—no 923 generation in the last 12 months
Heat rate—Btu/kWhfossil units, electric fuel, HHV
First online—
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), primary-fuel 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) |
|---|---|---|---|
| 2014 | 0.9 | 64.2% | 6,437 |
| 2015 | 8.5 | 96.8% | 6,491 |
| 2016 | 7.7 | 88.1% | 7,053 |
| 2017 | 7.4 | 84.0% | 7,081 |
| 2018 | 7 | 79.7% | 7,202 |
| 2019 | 6.4 | 73.2% | 7,314 |
| 2020 | 6.2 | 71.0% | 7,509 |
| 2021 | 7.4 | 84.4% | 7,243 |
| 2022 | 5.1 | 58.3% | 7,761 |
| 2023 | 0 | 0.0% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| IBM00 | Other Natural Gas | FC | 1.1 | 1 | Nov 2014 | Retired Dec 2023 | — | coming soon |
Owner / operator
Operator: Bloom Energy. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Nearby plants
Within 80 km.
| CPV Towantic Energy Center | 842 MW | 7.1 km |
| Shepaug | 37 MW | 7.8 km |
| Stevenson | 31 MW | 10.4 km |
| Kinneytown New Old | 2 MW | 15.4 km |
| Waterbury Generation | 96 MW | 15.9 km |
| Watertown Solar One, LLC | 2 MW | 17.1 km |