1st largest plant in Wisconsin · 173rd nationally
Elm Road Generating Station is a coal power plant in Wisconsin with a nameplate capacity of 1,403 MW. It generates roughly 6.7M MWh per year — enough to power about 634,753 average U.S. homes.
Its capacity factor of 54% puts it in the middle range — running steadily but not full-time. At 1933 lb CO₂/MWh, its emission rate sits above the national grid average of roughly 800 lb/MWh.
Ghost bars are each month's theoretical maximum (1,403 MW nameplate × hours in the month). Filled bars are actual net generation reported to EIA Form 923. The gap between them is capacity factor made visible.
| Plant Name | Elm Road Generating Station |
|---|---|
| Operator | Wisconsin Electric Power Co |
| City | Oak Creek |
| County | Milwaukee County |
| State | Wisconsin |
| ZIP | 53154 |
| Coordinates | 42.84920, -87.83360 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| 1 | Conventional Steam Coal | Subbituminous Coal | 701 MW | Operating | 2010 |
| 2 | Conventional Steam Coal | Subbituminous Coal | 701 MW | Operating | 2011 |
| Owner | Location | Share |
|---|---|---|
| We Power | Milwaukee, WI | 8334.0% |
| Madison Gas & Electric Co | Madison, WI | 833.0% |
| Wppi Energy | Sun Prairie, WI | 833.0% |
Ownership reported to EIA Form 860. Percentages reflect reported generator-level ownership share, averaged when a plant has multiple generators.
| CO₂ | 6.4M metric tons |
|---|---|
| SO₂ | 307 metric tons |
| NOₓ | 2.0k metric tons |
| CO₂ Rate | 1933 lb/MWh |
Annual totals and CO₂ rate reported by EPA eGRID for 2023. Reference averages are approximate U.S.-wide figures from the same dataset.
| NERC Region | RFC |
|---|---|
| Balancing Authority | Midcontinent Independent Transmission System Operator, Inc.. |
Coal plants burn pulverized coal to boil water and spin steam turbines. They emit substantial CO₂, SO₂, and NOₓ along with mercury and particulate matter. Modern units include scrubbers and selective catalytic reduction; older units are increasingly being retired or converted to natural gas as economics shift.