23rd largest plant in Wisconsin · 1486th nationally
Grant County is a solar power plant in Wisconsin with a nameplate capacity of 200 MW.
| Plant Name | Grant County |
|---|---|
| Operator | Wisconsin Power & Light Co |
| City | Town Of Potosi |
| County | Grant County |
| State | Wisconsin |
| ZIP | 53820 |
| Coordinates | 42.71898, -90.70104 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| PV1 | Solar Photovoltaic | Solar | 200 MW | Operating | 2024 |
| BESS1 | Batteries | Battery | 100 MW | Regulatory | — |
| NERC Region | MRO |
|---|---|
| Balancing Authority | Midcontinent Independent Transmission System Operator, Inc.. |
Utility-scale solar farms convert sunlight directly into electricity using photovoltaic panels. They produce zero direct emissions and have no fuel cost, but generation is variable — peaking at midday and falling to zero at night. Capacity factors typically run 18–28% in good locations.