NRG NORWALK HARBOR
OperatingOil power plant
- Capacity
- 343 MW
- Primary fuel
- Oil
- County
- Western Connecticut Planning Region
- Operator
- NORWALK POWER LLC
- Status
- Operating
- EIA plant ID
- 548
- Coordinates
- 41.0729, -73.4111
NRG NORWALK HARBOR, a 343 MW Oil power plant in Western Connecticut Planning Region, Connecticut. Operated by NORWALK POWER LLC.
Weather peril exposure
NRG NORWALK HARBOR is a 343 MW oil power plant in Western Connecticut Planning Region, CT, operated by NORWALK POWER LLC. Western Connecticut Planning Region carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.0 of 5 at the 25th national percentile. Hurricane is the leading peril, rated Relatively High by FEMA at the 85th 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.
Western Connecticut Planning Region hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hurricane | Relatively High | 85th | 4.4 of 5 | 0.14 |
| Riverine flooding | Relatively High | 77th | 4.1 of 5 | 3.5 |
| Coastal flooding | Relatively High | 73rd | 3.9 of 5 | 6.2 |
| Earthquake | Relatively Moderate | 64th | 3.6 of 5 | <0.01 |
| Ice storm | Relatively High | 58th | 3.3 of 5 | 1.7 |
| Wildfire | Very Low | 31st | 2.2 of 5 | <0.01 |
| Winter weather | Relatively High | 27th | 2.1 of 5 | 13.6 |
| Strong wind | Relatively High | 17th | 1.7 of 5 | 4.5 |
| Tornado | Relatively Moderate | 17th | 1.7 of 5 | 0.20 |
| Hail | Relatively Low | 3rd | 1.1 of 5 | 2.5 |
| Heat wave | Relatively Moderate | 3rd | 1.1 of 5 | 5.5 |
| Lightning | Relatively Moderate | 2nd | 1.1 of 5 | 28.0 |
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.