DEVON STATION
OperatingOil power plant
- Capacity
- 223 MW
- Primary fuel
- Oil
- County
- South Central Connecticut Planning Region
- Operator
- DEVON POWER LLC
- Status
- Operating
- Commissioned
- 1985
- EIA plant ID
- 544
- Generators
- 5
- Technology
- Petroleum Liquids
- Net generation (2024)
- -0.599 GWh
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 41.2091, -73.1083
DEVON STATION, a 223 MW Oil power plant in South Central Connecticut Planning Region, Connecticut. Operated by DEVON POWER LLC, commissioned 1985.
How DEVON STATION compares
With 223 MW of capacity, DEVON STATION ranks 13th among the 68 operating power plants Bywatts maps in Connecticut and 3rd of the 10 operating Oil plants in the state. It accounts for about 14% of Connecticut's operating Oil capacity and 2.4% of all operating capacity in the state. Nationally it is the 24th-largest of the 544 operating Oil plants in the database. Commissioned in 1985, it is older than 69% of the 66 operating Connecticut plants with a recorded commissioning year. It shares South Central Connecticut Planning Region with 7 other operating plants, including NEW HAVEN HARBOR and MILFORD POWER PROJECT.
EIA-860 lists 5 generators at the site with 223 MW of nameplate capacity, all petroleum liquids technology. The plant was a net consumer of electricity in 2024 (-0.599 GWh). Its generators came online between 1985 and 1996.
Grid neighborhood
The nearest named substation is DEVON, about 0.1 miles away; the closest transmission line found within 10 miles is a 115 kV line, under 0.1 miles away. Another 24 operating power plants totaling 5,722 MW sit within 25 miles; the largest is NORTHPORT (1,564 MW, Natural Gas). Within 50 miles are 4 mapped data centers; the nearest is Crown Castle Brentwood (1650 Islip) in Brentwood, about 29.9 miles away.
Computed by Bywatts from HIFLD power plant, substation and transmission line records, EIA-860/923 survey data and PeeringDB data center locations; distances are straight-line. Sources and methodology
Weather peril exposure
DEVON STATION is a 223 MW oil power plant in South Central Connecticut Planning Region, CT, operated by DEVON POWER LLC, commissioned in 1985. South Central Connecticut Planning Region carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.3 of 5 at the 32nd national percentile. Hurricane is the leading peril, rated Relatively High by FEMA at the 86th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to an oil plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
South Central Connecticut Planning Region hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hurricane | Relatively High | 86th | 4.5 of 5 | 0.17 |
| Coastal flooding | Relatively High | 82nd | 4.3 of 5 | 5.0 |
| Ice storm | Very High | 70th | 3.8 of 5 | 2.0 |
| Earthquake | Relatively Moderate | 64th | 3.5 of 5 | <0.01 |
| Riverine flooding | Relatively High | 60th | 3.4 of 5 | 3.3 |
| Wildfire | Very Low | 28th | 2.1 of 5 | <0.01 |
| Winter weather | Relatively High | 26th | 2.0 of 5 | 12.8 |
| Tornado | Relatively Moderate | 22nd | 1.9 of 5 | 0.17 |
| Strong wind | Relatively High | 17th | 1.7 of 5 | 3.4 |
| Lightning | Relatively High | 7th | 1.3 of 5 | 26.1 |
| Heat wave | Relatively Moderate | 7th | 1.3 of 5 | 5.0 |
| Hail | Relatively Low | 5th | 1.2 of 5 | 2.3 |
Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.
Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.