THETFORD
Retired 2018Natural Gas power plant
- Capacity
- 222 MW
- Primary fuel
- Natural Gas
- County
- Genesee County
- Operator
- CONSUMERS ENERGY CO
- EIA plant ID
- 1719
- Coordinates
- 43.1567, -83.6285
THETFORD, a retired 222 MW Natural Gas power plant in Genesee County, Michigan. It was retired in 2018, according to EIA-860.
How THETFORD compares
It was retired in 2018 according to EIA-860, so it is not counted in Michigan's operating fleet. Its operator, CONSUMERS ENERGY CO, runs 18 operating plants in Michigan totaling 6,733 MW. It shares Genesee County with 3 other operating plants, including GENESEE POWER STATION LP and GRAND BLANC GENERATING STATION.
Grid neighborhood
The closest transmission line found within 10 miles is a 138 kV line owned by CONSUMERS ENERGY CO, under 0.1 miles away. Another 7 operating power plants totaling 184 MW sit within 25 miles; the largest is TUSCOLA BAY WIND (120 MW, Wind).
Computed by Bywatts from HIFLD power plant and transmission line records and EIA-860 retirement records; distances are straight-line. Sources and methodology
Weather peril exposure
THETFORD is a retired 222 MW natural gas power plant in Genesee County, MI, formerly operated by CONSUMERS ENERGY CO. Genesee County carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.6 of 5 at the 39th national percentile. Heat wave is the leading peril, rated Relatively Moderate by FEMA at the 80th 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.
Genesee County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Heat wave | Relatively Moderate | 80th | 4.2 of 5 | 2.6 |
| Strong wind | Relatively High | 76th | 4.0 of 5 | 5.6 |
| Tornado | Relatively High | 72nd | 3.9 of 5 | 0.29 |
| Ice storm | Relatively High | 60th | 3.4 of 5 | 1.2 |
| Hail | Relatively Moderate | 48th | 2.9 of 5 | 2.8 |
| Winter weather | Relatively Low | 37th | 2.5 of 5 | 11.4 |
| Lightning | Relatively High | 33rd | 2.3 of 5 | 32.7 |
| Earthquake | Relatively Low | 24th | 2.0 of 5 | <0.01 |
| Riverine flooding | Relatively Moderate | 23rd | 1.9 of 5 | 0.93 |
| Hurricane | Very Low | 15th | 1.6 of 5 | <0.01 |
| Wildfire | Very Low | 9th | 1.4 of 5 | <0.01 |
Perils not assessed in Genesee County
These perils carry no usable National Risk Index figure for this county, so they are excluded from the scoring rather than scored zero. A zero would claim the peril was assessed and found benign.
| Peril | Why it is not scored |
|---|---|
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Genesee County in the weather risk calculator
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.