Devon Station
Oil power plant in New Haven County, Connecticut. 222.6 MW of nameplate capacity across 5 generators, operated by Devon Power LLC.
Also known as EIA plant 544
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Key facts
- Capacity
- 222.6 MWNameplate
- Generators
- 5 operatingEIA-860M, August 2026
- Operating since
- January 1985First generator online
- Operator
- Devon Power LLCEIA operator ID 22350
- Grid
- ISO-NEBalancing authority ISNE
- Price nodes
- 5 ISONE nodesResource nodes with prices
- Location
- New Haven County, CT41.2098, −73.1090
- EIA plant ID
- 544EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Devon Station produces
Free · EIA-923Net generation, 2025
−1.35 GWh
−1,353 MWh, final
Capacity factor, 2025
-0.1%
2024: -0.0%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2017 to 2025
−1.4–11.8
GWh a year. Low 2025, high 2018
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 896,672 | Not reported | 12 of 12 |
| 2001 | 749,726 | Not reported | 12 of 12 |
| 2002 | 39,634 | Not reported | 2 of 12 |
| 2003 | 251,952 | Not reported | 11 of 12 |
| 2004 | 51,951 | Not reported | 12 of 12 |
| 2005 | 12,749 | Not reported | 12 of 12 |
| 2006 | 43,775 | Not reported | 12 of 12 |
| 2007 | 8,429 | Not reported | 12 of 12 |
| 2008 | 3,953 | Not reported | 12 of 12 |
| 2009 | 4,047 | Not reported | 3 of 12 |
| 2010 | 457 | 0.3% | 1 of 12 |
| 2011 | 68 | 0.0% | 4 of 12 |
| 2012 | 105 | Not reported | 3 of 12 |
| 2013 | 2,974 | 0.2% | 9 of 12 |
| 2014 | 2,590 | 0.2% | 9 of 12 |
| 2015 | 1,293 | 0.1% | 9 of 12 |
| 2016 | 1,274 | 0.1% | 7 of 12 |
| 2017 | 10,349 | 0.5% | 12 of 12 |
| 2018 | 11,843 | 0.6% | 12 of 12 |
| 2019 | −532 | -0.0% | 12 of 12 |
| 2020 | −69 | -0.0% | 12 of 12 |
| 2021 | −1,190 | -0.1% | 12 of 12 |
| 2022 | 644 | 0.0% | 12 of 12 |
| 2023 | 123 | 0.0% | 12 of 12 |
| 2024 | −599 | -0.0% | 12 of 12 |
| 2025 | −1,353 | -0.1% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · ISONEEmissions
Free · EPA CAMPDCO₂, 2025
Not reported
US short tons. 2024: Not reported
SO₂, 2025
Not reported
US short tons
NOx, 2025
17
US short tons
4 of 5 EPA units reported CO₂ in 2025 (10, 11, 12, 13, 14), matched to EIA plant 544 through the EPA–EIA crosswalk.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 10 | Petroleum Liquids | 18.6 | January 1985 |
| 11 | Petroleum Liquids | 51.0 | July 1996 |
| 12 | Petroleum Liquids | 51.0 | July 1996 |
| 13 | Petroleum Liquids | 51.0 | July 1996 |
| 14 | Petroleum Liquids | 51.0 | July 1996 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Devon Power LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Devon Station
Questions about Devon Station
How much power does Devon Station produce?
Devon Station reported −1,353 MWh (−1.35 GWh) of net generation in 2025.
Where is Devon Station?
Devon Station is in New Haven County, Connecticut, at 41.2098, −73.1090. It is in the ISO New England Inc. balancing area (ISNE).
Who operates Devon Station?
EIA-860M for August 2026 lists Devon Power LLC as the operator (EIA operator ID 22350). The operator is not always the owner.
When did Devon Station start operating?
Its first generator began operating in January 1985, according to EIA-860M.
Does InfraMap have power prices for Devon Station?
Yes. InfraMap has ISONE day-ahead and real-time prices at 5 price nodes linked to Devon Station, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- ISONE day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page