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Bridgeport Station

Fairfield County, Connecticut · EIA plant ID 568 · Operator: Generation Bridge II Connecticut, LLC
Natural gasNatural Gas Fired Combined Cycle⛽ Dual-fuelISONEBA: ISNE

×419 MW coal retired since 2020 (latest Oct 2021)

Nameplate576MWSummer 496 MW
Generators2in service
Net generation3,224GWh12 mo to Aug 2026
Capacity factor74%gas/coal/oil units, summer MW
Heat rate6,516Btu/kWhfossil units, electric fuel, HHV
First online2019Runs as baseload

The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
-1000100200300400GWh2001200320052007200920112013201520172019202120232025

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.
0%25%50%75%2005201020152020202574.2% · 12 mo

Heat rate by year

Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
5,00010,00015,000200520102015202020256,516 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20012,442.4——
20021,731.7——
20032,663.659.3%9,559
20042,727.760.6%10,216
20052,75461.1%10,407
20062,856.663.8%10,576
20072,364.952.9%10,515
20082,879.864.0%10,022
20091,006.721.6%10,378
20101,231.426.4%10,852
201148510.4%11,423
201299.72.8%14,820
2013687.919.6%11,302
2014832.923.8%11,043
2015602.217.2%10,992
2016181.75.2%13,382
2017202.15.8%12,726
20183339.5%12,308
20192,10032.5%6,892
20203,604.453.2%6,837
20213,919.672.7%7,001
20223,184.973.2%6,713
20232,945.169.6%6,757
20243,48579.9%6,536
20253,373.177.6%6,570

Fuel capability

Gas-fired turbines (CT/GT/CA/CS) that can also burn liquid fuel. EIA-860 Schedule 3 for capability, EIA-923 for actual burn.
StatusLikely still dual fuel
Liquid fuel burned · 36 mo1,106,315 MMBtu
Last month with liquid burnFeb 2026
Switch while operatingYes
Net summer MW on gas496
Net summer MW on oil496
Time gas → oilup to 1 h (EIA 1H)
Time oil → gasup to 1 h (EIA 1H)

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 IDTechnologyPrime moverNameplate MWSummer MWOnlineStatusPlanned retirementOEM / model
501Natural Gas Fired Combined CycleCT375.7334Jun 2019Operating—coming soon
502Natural Gas Fired Combined CycleCA200.6162.2Jun 2019Operating—coming soon
2Petroleum LiquidsST163130.5Aug 1961Retired Jan 2014—coming soon
3Conventional Steam CoalST400257.6Aug 1968Retired Jun 2021—coming soon
4Petroleum LiquidsGT18.616.6Oct 1967Retired Oct 2021—coming soon

Owner / operator

Operator: Generation Bridge II Connecticut, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Generation Bridge II Connecticut, LLC100.0%576 MW

Nearby plants

Within 80 km.
Bridgeport Energy Project520 MW0.2 km
UB Fuel Cell1 MW1.2 km
Wheelabrator Bridgeport67 MW2.2 km
Bridgeport Fuel Cell, LLC17 MW2.3 km
UI RCP Bridgeport Seaside5 MW2.5 km
Fairfield University CHP Plant5 MW6.2 km