Grant County
6006 Stage Rd, Town of Potosi, WI 53820Plant Summary Information
Grant County is ranked #19 out of 239 power plants in Wisconsin in terms of total annual net electricity generation.
Grant County generated 124.0 GWh during the 3-month period between March 2025 to June 2025.
| Plant Name | Grant County |
|---|---|
| Utility Name | Wisconsin Power & Light Co |
| Location | Grant County, WI |
| Initial Operation Date | May 2024 |
| Last Update | Jun 2025 |
| Annual Generation | 370.6 GWh |
| Annual Consumption | 1.3 M MMBtu |
| Ranked #1,644 out of 12,327 Power Plants Nationwide | |
| Ranked #156 out of 6,200 Solar Power Plants Nationwide | |
| Ranked #19 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 Jun 2025 |
| Initial Operation Date | May 2024 |
| Annual Generation | 370.6 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 |
|---|---|---|---|
| #146 | Montague Solar | Arlington, OR | 379.7 GWh |
| #147 | Raceway Solar & Storage | Lancaster, CA | 366.3 GWh |
| #148 | Madison Fields Solar Project, LLC | Irwin, OH | 374.1 GWh |
| #149 | Buckthorn Westex | Ft. Stockton, TX | 373.9 GWh |
| #150 | Imperial Solar Energy Center West | Seeley, CA | 373.6 GWh |
| #151 | RE Roserock | Fort Stockton, TX | 373.5 GWh |
| #152 | Zier Solar | Brackettville, TX | 366.5 GWh |
| #153 | Maverick Solar, LLC | Desert Center, CA | 372.0 GWh |
| #154 | Indiana Crossroads Solar Park | Reynolds, IN | 372.0 GWh |
| #155 | Hillcrest Solar | Mt. Orab, OH | 371.7 GWh |
| #157 | Blythe Solar III, LLC Hybrid | Blythe, CA | 356.3 GWh |
| #158 | Edwards Sanborn E1B | Mojave, CA | 351.3 GWh |
| #159 | Porter Solar, LLC (TX) | Krum, TX | 367.7 GWh |
| #160 | Dry Lake Solar Energy Center | Moapa, NV | 348.6 GWh |
| #161 | Solar Gen 2 Solar Facility | Calipatria, CA | 364.2 GWh |
| #162 | AEUG Union Solar, LLC | West Mansfield, OH | 363.3 GWh |
| #163 | Prairie Wolf Solar LLC | Ashmore Township, IL | 362.5 GWh |
| #164 | Lund Hill Solar | Bickleton, WA | 362.0 GWh |
| #165 | Brittlebush Solar | Coolidge, AZ | 360.3 GWh |
| #166 | Hardy Hills Solar Energy LLC | Frankfort, IN | 356.4 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 | 200.1 GWh | 23.7 mi |
| Badger Hollow II | Cobb, WI | 202.8 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 | 99.2 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 | 87.0 MWh | 10.1 mi |
| McGregor | McGregor, IA | 7.0 MWh | 31.9 mi |
| Montfort Wind Energy Center | Montfort, WI | 57.0 GWh | 23.2 mi |
| Mt. Hope DPC Solar | Mt. Hope, WI | 2.1 GWh | 18.9 mi |
| Quilt Block Wind Farm LLC | Darlington, WI | 391.1 GWh | 22.4 mi |
| Red Barn Energy | Montfort, WI | 256.8 GWh | 20.8 mi |
| West Dubuque Solar | Dubuque, IA | 6.5 GWh | 16.4 mi |