Coal power plants in Wisconsin
Wisconsin has 8 operating coal power plants with 5.0 GW of capacity.
- Operating8
Under 250 MW250–999 MW1 GW and up
Updated monthly. Last updated November 2026.
The largest coal power plants in Wisconsin
Operating, by capacity
| # | Coal power plant | Year online | Capacity |
|---|---|---|---|
| 1 | Elm Road Generating Station | 2011 | 1,403 MW |
| 2 | Columbia (WI) | 1978 | 1,112 MW |
| 3 | Weston | 2008 | 946 MW |
| 4 | South Oak Creek | 1967 | 642 MW |
| 5 | Edgewater | 1985 | 414 MW |
| 6 | John P Madgett | 1979 | 387 MW |
| 7 | Biron Mill | 1987 | 39 MW |
| 8 | Rhinelander Mill | 1958 | 9 MW |
Coal power plants that came online most recently in Wisconsin
Newest first
| # | Coal power plant | Year online | Capacity |
|---|---|---|---|
| 1 | Elm Road Generating Station | 2011 | 1,403 MW |
| 2 | Weston | 2008 | 946 MW |
| 3 | Biron Mill | 1987 | 39 MW |
| 4 | Edgewater | 1985 | 414 MW |
| 5 | John P Madgett | 1979 | 387 MW |
| 6 | Columbia (WI) | 1978 | 1,112 MW |
| 7 | South Oak Creek | 1967 | 642 MW |
| 8 | Rhinelander Mill | 1958 | 9 MW |
The developer behind each project is on paid plans. See plans
How Cleanview tracks coal power plants
Operating coal power plants come from the EIA's monthly survey of power plants. Planned projects come from the grid operators' interconnection queues. We research who is developing each one, since a queue lists a project company, not its owner.
Questions about coal power plants in Wisconsin
- How many coal power plants are in Wisconsin?
- Wisconsin has 8 operating utility-scale coal power plants with 5.0 GW of capacity, according to the EIA's monthly survey of power plants.
- What is the largest coal power plant in Wisconsin?
- Elm Road Generating Station in Milwaukee County, Wisconsin is the largest, at 1,403 MW. It came online in 2011.
- How many coal power plants were built in Wisconsin in 2025?
- 0 coal power plants came online in Wisconsin in 2025, with 0 MW of capacity.
- Who is developing coal power plants in Wisconsin?
- Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.
More energy trackers for Wisconsin
Coal power plants in other states
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