E J STONEMAN STATION
Retired 2015Coal power plant
- Capacity
- 53 MW
- Primary fuel
- Coal
- County
- Grant County
- Operator
- DTE STONEMAN LLC
- EIA plant ID
- 4146
- Coordinates
- 42.7083, -90.9847
E J STONEMAN STATION, a retired 53 MW Coal power plant in Grant County, Wisconsin. It was retired in 2015, according to EIA-860.
How E J STONEMAN STATION compares
It was retired in 2015 according to EIA-860, so it is not counted in Wisconsin's operating fleet. It shares Grant County with one other operating plant, FENNIMORE.
Grid neighborhood
The nearest named substation is NELSON DEWEY SW YD (138 kV), about 1.5 miles away; the closest transmission line found within 10 miles is a 161 kV line, under 0.1 miles away. Another 6 operating power plants totaling 60 MW sit within 25 miles; the largest is ELK WIND FARM (41 MW, Wind).
Computed by Bywatts from HIFLD power plant, substation and transmission line records and EIA-860 retirement records; distances are straight-line. Sources and methodology
Weather peril exposure
E J STONEMAN STATION is a retired 53 MW coal power plant in Grant County, WI, formerly operated by DTE STONEMAN LLC. Grant County carries high modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.8 of 5 at the 69th national percentile. Heat wave is the leading peril, rated Relatively Low by FEMA at the 77th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a coal plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Grant County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Heat wave | Relatively Low | 77th | 4.1 of 5 | 4.3 |
| Hail | Relatively Moderate | 75th | 4.0 of 5 | 3.5 |
| Tornado | Relatively Moderate | 71st | 3.8 of 5 | 0.78 |
| Lightning | Relatively Moderate | 66th | 3.7 of 5 | 37.9 |
| Strong wind | Relatively Moderate | 65th | 3.6 of 5 | 4.3 |
| Winter weather | Relatively Low | 32nd | 2.3 of 5 | 16.4 |
| Ice storm | Relatively Low | 31st | 2.2 of 5 | 0.39 |
| Riverine flooding | Relatively Low | 28th | 2.1 of 5 | 2.6 |
| Wildfire | Very Low | 17th | 1.7 of 5 | <0.01 |
| Earthquake | Very Low | 16th | 1.6 of 5 | <0.01 |
| Hurricane | Very Low | 1st | 1.1 of 5 | <0.01 |
Perils not assessed in Grant 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 Grant 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.