ELM ROAD GENERATING STATION
OperatingCoal power plant
- Capacity
- 1,403 MW
- Primary fuel
- Coal
- County
- Milwaukee County
- Operator
- WISCONSIN ELECTRIC POWER CO
- Status
- Operating
- Commissioned
- 2010
- EIA plant ID
- 56068
- Generators
- 2
- Technology
- Conventional Steam Coal
- Net generation (2024)
- 7,553 GWh
- Capacity factor (2024, EIA nameplate)
- 61%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 42.8500, -87.8332
ELM ROAD GENERATING STATION, a 1,403 MW Coal power plant in Milwaukee County, Wisconsin. Operated by WISCONSIN ELECTRIC POWER CO, commissioned 2010.
How ELM ROAD GENERATING STATION compares
With 1,403 MW of capacity, ELM ROAD GENERATING STATION is the largest of the 141 operating power plants Bywatts maps in Wisconsin and the largest of the 15 operating Coal plants in the state. It accounts for about 21% of Wisconsin's operating Coal capacity and 8.7% of all operating capacity in the state. Nationally it is the 78th-largest of the 324 operating Coal plants in the database. Commissioned in 2010, it is newer than 92% of the 141 operating Wisconsin plants with a recorded commissioning year. Its operator, WISCONSIN ELECTRIC POWER CO, runs 13 operating plants in Wisconsin totaling 5,238 MW. It shares Milwaukee County with 5 other operating plants, including SOUTH OAK CREEK and VALLEY.
EIA-860 lists 2 generators at the site with 1,403 MW of nameplate capacity, all conventional steam coal technology. Net generation was 7,553 GWh in 2024 (a 61% capacity factor), up 27% from 2022. Its generators came online between 2010 and 2011.
Grid neighborhood
The nearest named substation is ST. RITA (138 kV), about 4.9 miles away; the closest transmission line found within 10 miles is a 345 kV line, under 0.1 miles away. Another 7 operating power plants totaling 1,954 MW sit within 25 miles; the largest is SOUTH OAK CREEK (1,240 MW, Coal). Within 50 miles is one mapped data center, 324 E Wisconsin in Milwaukee, about 13.6 miles away.
Computed by Bywatts from HIFLD power plant, substation and transmission line records, EIA-860/923 survey data and PeeringDB data center locations; distances are straight-line. Sources and methodology
Weather peril exposure
ELM ROAD GENERATING STATION is a 1,403 MW coal power plant in Milwaukee County, WI, operated by WISCONSIN ELECTRIC POWER CO, commissioned in 2010. Milwaukee County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.5 of 5 at the 12th national percentile. Winter weather is the leading peril, rated Very High by FEMA at the 42nd 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.
Milwaukee County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Winter weather | Very High | 42nd | 2.7 of 5 | 15.8 |
| Tornado | Very High | 42nd | 2.7 of 5 | 0.40 |
| Heat wave | Relatively High | 40th | 2.6 of 5 | 3.1 |
| Riverine flooding | Relatively High | 28th | 2.1 of 5 | 2.1 |
| Hail | Relatively Moderate | 27th | 2.1 of 5 | 2.7 |
| Ice storm | Relatively Moderate | 25th | 2.0 of 5 | 0.47 |
| Lightning | Relatively Moderate | 25th | 2.0 of 5 | 33.7 |
| Earthquake | Relatively Low | 24th | 2.0 of 5 | <0.01 |
| Strong wind | Relatively High | 23rd | 1.9 of 5 | 3.1 |
| Wildfire | Very Low | 8th | 1.3 of 5 | <0.01 |
| Coastal flooding | Very Low | 7th | 1.3 of 5 | 0.01 |
| Hurricane | Very Low | 0th | 1.0 of 5 | <0.01 |
Model hail, wind and flood exposure for Milwaukee 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.