Grant County
6006 Stage Rd, Town of Potosi, WI 53820Plant Summary Information
Grant County is ranked #17 out of 239 power plants in Wisconsin in terms of total annual net electricity generation.
Grant County generated 106.3 GWh during the 3-month period between July 2025 to October 2025.
| Plant Name | Grant County |
|---|---|
| Utility Name | Wisconsin Power & Light Co |
| Location | Grant County, WI |
| Initial Operation Date | May 2024 |
| Last Update | Oct 2025 |
| Annual Generation | 369.0 GWh |
| Annual Consumption | 1.4 M MMBtu |
| Ranked #1,686 out of 12,553 Power Plants Nationwide | |
| Ranked #190 out of 6,410 Solar Power Plants Nationwide | |
| Ranked #17 out of 239 Wisconsin Power Plants | |
| Ranked #1 out of 91 Wisconsin Solar Power Plants | |
| Fuel Types | Solar |
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Monthly Net Generation for Grant County
Grant County Details
| Summary Information | |
|---|---|
| Plant Name | Grant County (65007) |
| Plant Address | 6006 Stage Rd, Town of Potosi, WI 53820 |
| Utility | Wisconsin Power & Light Co (20856) |
| Latitude, Longitude | 42.71898, -90.70104 |
| Generation Dates on File | Jun 2024 to Oct 2025 |
| Initial Operation Date | May 2024 |
| Annual Generation | 369.0 GWh |
| Fuel Types | Solar |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Regulated |
| NERC Region | MRO |
| Balancing Authority | Midcontinent Independent Transmission System Operator, Inc.. (MISO) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | American Transmission Co (659) |
| Grid Voltage | 138.00 kV |
| Energy Storage | Yes |
Generator PV1 Details Operating May 2024
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | ALTE.GRANTCTY |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | ALTE.GRANTCTY |
| Nameplate Capacity | 200 MW |
| Nameplate Power Factor | 0.95 |
| Summer Capacity | 200 MW |
| Winter Capacity | 200 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | May 2024 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Solar |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Solar Details | |
| Single Axis Tracking | Yes |
|---|---|
| DC Net Capacity | 256 MW |
| Crystalline Silicon | Yes |
| Thin Film CDTE | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
Grant County Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Solar.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #180 | Yellow Pine II | Enterprise, NV | 362.4 GWh |
| #181 | RE Roserock | Fort Stockton, TX | 376.8 GWh |
| #182 | Prairie Wolf Solar LLC | Ashmore Township, IL | 376.2 GWh |
| #183 | Corazon Energy LLC | Rachito Las Lomas, TX | 375.9 GWh |
| #184 | Maverick Solar, LLC | Desert Center, CA | 374.6 GWh |
| #185 | Imperial Solar Energy Center West | Seeley, CA | 373.6 GWh |
| #186 | Edwards Sanborn E1B | Mojave, CA | 356.6 GWh |
| #187 | Zier Solar | Brackettville, TX | 367.0 GWh |
| #188 | Indiana Crossroads Solar Park | Reynolds, IN | 372.3 GWh |
| #189 | Blythe Solar III, LLC Hybrid | Blythe, CA | 356.4 GWh |
| #191 | Golden Triangle | Lowndes, MS | 362.2 GWh |
| #192 | Hillcrest Solar | Mt. Orab, OH | 366.1 GWh |
| #193 | Lund Hill Solar | Bickleton, WA | 365.3 GWh |
| #194 | Markum Solar Farm | Valley Mills, TX | 365.3 GWh |
| #195 | BigBeau Solar, LLC | Rosamond, CA | 362.0 GWh |
| #196 | Solar Gen 2 Solar Facility | Calipatria, CA | 364.2 GWh |
| #197 | Twiggs Solar | Dry Branch, GA | 363.7 GWh |
| #198 | Driver Solar | Osceola, AR | 363.1 GWh |
| #199 | Samson Solar Energy | Cunningham, TX | 360.5 GWh |
| #200 | Hardy Hills Solar Energy LLC | Frankfort, IN | 357.5 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Grant County.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Alliant SBD 9205 A Y McDonald | Dubuque, IA | 8.8 MWh | 15.9 mi |
| Alliant SBD 9301 Prairie Farms | Dubuque, IA | 86.2 MWh | 13.1 mi |
| Apple Canyon Lake Solar | Apple River, IL | 3.5 GWh | 32.9 mi |
| Badger Hollow I | Montfort, WI | 191.6 GWh | 23.7 mi |
| Badger Hollow II | Cobb, WI | 197.7 GWh | 23.7 mi |
| Bellevue | Bellevue, IA | 61.0 MWh | 35.5 mi |
| Cascade | Cascade, IA | 73.0 MWh | 33.1 mi |
| Cassville Solar | Cassville, WI | 95.9 GWh | 11.7 mi |
| Earlville | Earlville, IA | 7.0 MWh | 33 mi |
| Elk Wind Farm | Greeley, IA | 178.3 GWh | 35.3 mi |
| Fennimore | Fennimore, WI | 27.0 MWh | 18.4 mi |
| Fennimore Solar | Fennimore, WI | 3.6 GWh | 17.5 mi |
| Hopkinton | Hopkinton, IA | 11.0 MWh | 38 mi |
| John Deere Dubuque Works | Dubuque, IA | 47.0 MWh | 10.1 mi |
| McGregor | McGregor, IA | 7.0 MWh | 31.9 mi |
| Montfort Wind Energy Center | Montfort, WI | 53.8 GWh | 23.2 mi |
| Mt. Hope DPC Solar | Mt. Hope, WI | 2.0 GWh | 18.9 mi |
| Quilt Block Wind Farm LLC | Darlington, WI | 382.0 GWh | 22.4 mi |
| Red Barn Energy | Montfort, WI | 247.3 GWh | 20.8 mi |
| West Dubuque Solar | Dubuque, IA | 6.5 GWh | 16.4 mi |