MIDDLETOWN
OperatingNatural Gas power plant
- Capacity
- 786 MW
- Primary fuel
- Natural Gas
- County
- Lower Connecticut River Valley Planning Region
- Operator
- MIDDLETOWN POWER LLC
- Status
- Operating
- Commissioned
- 1958
- EIA plant ID
- 562
- Coordinates
- 41.5547, -72.5793
MIDDLETOWN, a 786 MW Natural Gas power plant in Lower Connecticut River Valley Planning Region, Connecticut.
Weather peril exposure
MIDDLETOWN is a 786 MW natural gas power plant in Lower Connecticut River Valley Planning Region, CT, operated by MIDDLETOWN POWER LLC, commissioned in 1958. Lower Connecticut River Valley Planning Region carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.7 of 5 at the 17th national percentile. Riverine flooding is the leading peril, rated Relatively Moderate by FEMA at the 81st percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a natural gas plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Lower Connecticut River Valley Planning Region hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Riverine flooding | Relatively Moderate | 81st | 4.3 of 5 | 2.3 |
| Hurricane | Relatively Moderate | 81st | 4.2 of 5 | 0.20 |
| Coastal flooding | Relatively Moderate | 76th | 4.0 of 5 | 3.8 |
| Earthquake | Relatively Low | 53rd | 3.1 of 5 | <0.01 |
| Ice storm | Relatively Moderate | 43rd | 2.7 of 5 | 1.7 |
| Wildfire | Very Low | 32nd | 2.3 of 5 | <0.01 |
| Tornado | Relatively Low | 23rd | 1.9 of 5 | 0.14 |
| Winter weather | Relatively Moderate | 22nd | 1.9 of 5 | 13.3 |
| Strong wind | Relatively Moderate | 14th | 1.6 of 5 | 2.3 |
| Lightning | Relatively Moderate | 12th | 1.5 of 5 | 25.0 |
| Heat wave | Relatively Low | 7th | 1.3 of 5 | 4.9 |
| Hail | Very Low | 4th | 1.1 of 5 | 1.8 |
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.