TUNNEL
OperatingOil power plant
- Capacity
- 21 MW
- Primary fuel
- Oil
- County
- Southeastern Connecticut Planning Region
- Operator
- FIRSTLIGHT POWER RESOURCES SERVICES LLC
- Status
- Operating
- Commissioned
- 1919
- EIA plant ID
- 557
- Coordinates
- 41.5554, -72.0418
TUNNEL, a 21 MW Oil power plant in Southeastern Connecticut Planning Region, Connecticut. One of 83 power plants tracked in Connecticut on Bywatts.
Weather peril exposure
TUNNEL is a 21 MW oil power plant in Southeastern Connecticut Planning Region, CT, operated by FIRSTLIGHT POWER RESOURCES SERVICES LLC, commissioned in 1919. Southeastern Connecticut Planning Region carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.1 of 5 at the 28th national percentile. Hurricane is the leading peril, rated Relatively High by FEMA at the 87th 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.
Southeastern Connecticut Planning Region hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hurricane | Relatively High | 87th | 4.5 of 5 | 0.19 |
| Coastal flooding | Relatively Moderate | 60th | 3.4 of 5 | 3.7 |
| Riverine flooding | Relatively Moderate | 58th | 3.3 of 5 | 2.3 |
| Earthquake | Relatively Low | 52nd | 3.1 of 5 | <0.01 |
| Ice storm | Relatively Moderate | 41st | 2.6 of 5 | 1.7 |
| Wildfire | Very Low | 22nd | 1.9 of 5 | <0.01 |
| Tornado | Relatively Low | 21st | 1.8 of 5 | 0.16 |
| Winter weather | Relatively Moderate | 20th | 1.8 of 5 | 13.3 |
| Lightning | Relatively Moderate | 11th | 1.4 of 5 | 23.2 |
| Strong wind | Relatively Moderate | 10th | 1.4 of 5 | 1.6 |
| Heat wave | Relatively Low | 6th | 1.2 of 5 | 4.5 |
| Hail | Relatively Low | 2nd | 1.1 of 5 | 1.7 |
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.