SHIRAS
Retired 2019Coal power plant
- Capacity
- 78 MW
- Primary fuel
- Coal
- County
- Marquette County
- Operator
- CITY OF MARQUETTE - (MI)
- EIA plant ID
- 1843
- Coordinates
- 46.5306, -87.3917
SHIRAS, a retired 78 MW Coal power plant in Marquette County, Michigan. It was retired in 2019, according to EIA-860.
How SHIRAS compares
It was retired in 2019 according to EIA-860, so it is not counted in Michigan's operating fleet. Its operator, CITY OF MARQUETTE - (MI), runs 2 operating plants in Michigan totaling 27 MW. It shares Marquette County with 5 other operating plants, including PLANT FOUR and MCCLURE.
Grid neighborhood
The closest transmission line found within 10 miles is a 138 kV line, about 3.3 miles away. Another 5 operating power plants totaling 41 MW sit within 25 miles; the largest is PLANT FOUR (24 MW, Oil).
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
SHIRAS is a retired 78 MW coal power plant in Marquette County, MI, formerly operated by CITY OF MARQUETTE - (MI). Marquette County carries critical modeled catastrophe exposure in the FEMA National Risk Index, scoring 4.8 of 5 at the 94th national percentile. Hail is the leading peril, rated Relatively High by FEMA at the 95th 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.
Marquette County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hail | Relatively High | 95th | 4.8 of 5 | 0.88 |
| Heat wave | Very Low | 68th | 3.7 of 5 | 0.37 |
| Winter weather | Relatively High | 53rd | 3.1 of 5 | 30.8 |
| Wildfire | Relatively Low | 49th | 3.0 of 5 | <0.01 |
| Ice storm | Relatively Low | 38th | 2.5 of 5 | 0.06 |
| Lightning | Relatively Moderate | 33rd | 2.3 of 5 | 23.2 |
| Strong wind | Relatively Moderate | 29th | 2.2 of 5 | 0.98 |
| Coastal flooding | Very Low | 23rd | 1.9 of 5 | 0.01 |
| Tornado | Very Low | 12th | 1.5 of 5 | 0.17 |
| Riverine flooding | Relatively Low | 9th | 1.4 of 5 | 1.1 |
| Earthquake | Very Low | 0th | 1.0 of 5 | <0.01 |
Perils not assessed in Marquette 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 |
|---|---|
| Hurricane | FEMA rating is "No Rating" for this county |
Model hail, wind and flood exposure for Marquette 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.