Grant County
6006 Stage Rd, Town of Potosi, WI 53820Plant Summary Information
Grant County is ranked #16 out of 240 power plants in Wisconsin in terms of total annual net electricity generation.
Grant County generated 55.0 GWh during the 3-month period between November 2025 to February 2026.
| Plant Name | Grant County |
|---|---|
| Utility Name | Wisconsin Power & Light Co |
| Location | Grant County, WI |
| Initial Operation Date | May 2024 |
| Last Update | Feb 2026 |
| Annual Generation | 378.4 GWh |
| Annual Consumption | 1.4 M MMBtu |
| Ranked #1,670 out of 12,637 Power Plants Nationwide | |
| Ranked #187 out of 6,487 Solar Power Plants Nationwide | |
| Ranked #16 out of 240 Wisconsin Power Plants | |
| Ranked #1 out of 92 Wisconsin Solar Power Plants | |
| Fuel Types | Solar |
Map of Grant County
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Grant County.
Monthly Net Generation for Grant County
Monthly Plant Fuel Consumption 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 Feb 2026 |
| Initial Operation Date | May 2024 |
| Annual Generation | 378.4 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 |
|---|---|---|---|
| #177 | Shakes Solar | Carrizo Springs, TX | 389.3 GWh |
| #178 | Big Plain Solar, LLC | London, OH | 389.3 GWh |
| #179 | Scarlet II Hybrid | Cantua Creek, CA | 367.8 GWh |
| #180 | Madison Fields Solar Project, LLC | Irwin, OH | 387.4 GWh |
| #181 | Buena Vista Energy Center | Chaparral, NM | 384.4 GWh |
| #182 | Yellow Pine Solar | Enterprise, NV | 372.3 GWh |
| #183 | Yellow Pine II | Enterprise, NV | 367.8 GWh |
| #184 | Indiana Crossroads Solar Park | Reynolds, IN | 382.5 GWh |
| #185 | Corazon Energy LLC | Rachito Las Lomas, TX | 380.1 GWh |
| #186 | Cavalry Solar Hybrid | Monon, IN | 365.9 GWh |
| #188 | Prairie Wolf Solar LLC | Ashmore Township, IL | 378.3 GWh |
| #189 | Dry Lake Solar Energy Center | Moapa, NV | 360.0 GWh |
| #190 | SR Russellville | Olmstead, KY | 375.0 GWh |
| #191 | Rambler | San Angelo, TX | 374.3 GWh |
| #192 | Harquahala Sun Solar Project | Tonopah, AZ | 374.3 GWh |
| #193 | Zier Solar | Brackettville, TX | 368.2 GWh |
| #194 | Imperial Solar Energy Center West | Seeley, CA | 373.6 GWh |
| #195 | Castle Gap Solar Hybrid | McCarney, TX | 372.4 GWh |
| #196 | RE Roserock | Fort Stockton, TX | 372.2 GWh |
| #197 | Markum Solar Farm | Valley Mills, TX | 371.9 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 | 202.7 GWh | 23.7 mi |
| Badger Hollow II | Cobb, WI | 211.2 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 | 97.4 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 | 46.0 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 | 371.4 GWh | 22.4 mi |
| Red Barn Energy | Montfort, WI | 253.3 GWh | 20.8 mi |
| West Dubuque Solar | Dubuque, IA | 6.5 GWh | 16.4 mi |