Rock County Customer Hosted Solar
3402 N. CTH F., Janesville, WI 53545Plant Summary Information
Rock County Customer Hosted Solar is ranked #92 out of 112 solar farms in Wisconsin in terms of total annual net electricity generation.
Rock County Customer Hosted Solar generated 359.0 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Rock County Customer Hosted Solar |
|---|---|
| Utility Name | Wisconsin Power & Light Co |
| Location | Rock County, WI |
| Initial Operation Date | April 2025 |
| Last Update | Dec 2025 |
| Annual Generation | 1.6 GWh |
| Annual Consumption | 5.4 k MMBtu |
| Ranked #11,501 out of 13,094 Power Plants Nationwide | |
| Ranked #6,300 out of 7,027 Solar Power Plants Nationwide | |
| Ranked #222 out of 260 Wisconsin Power Plants | |
| Ranked #92 out of 112 Wisconsin Solar Power Plants | |
| Fuel Types | Solar |
Map of Rock County Customer Hosted Solar
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Monthly Net Generation for Rock County Customer Hosted Solar
Monthly Plant Fuel Consumption for Rock County Customer Hosted Solar
Rock County Customer Hosted Solar Details
| Summary Information | |
|---|---|
| Plant Name | Rock County Customer Hosted Solar (67704) |
| Plant Address | 3402 N. CTH F., Janesville, WI 53545 |
| Utility | Wisconsin Power & Light Co (20856) |
| Latitude, Longitude | 42.72317, -89.02271 |
| Generation Dates on File | Apr 2025 to Dec 2025 |
| Initial Operation Date | April 2025 |
| Annual Generation | 1.6 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 | NA |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Wisconsin Power & Light Co (20856) WI |
| Grid Voltage | 24.90 kV |
| Energy Storage | No |
Generator PV1 Details Operating April 2025
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| Nameplate Capacity | 1.4 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 1.4 MW |
| Winter Capacity | 1.4 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | April 2025 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Solar |
| Solid Fuel Gasification | No |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Solar Details | |
| Fixed Tilt | Yes |
|---|---|
| Azimuth Angle | 180 |
| Tilt Angle | 25 |
| DC Net Capacity | 1.6 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
Rock County Customer Hosted Solar 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 |
|---|---|---|---|
| #6290 | Grinnell College | Grinnell, IA | 1.6 GWh |
| #6291 | Cornillie 2 Community (CSG) | North Branch, MN | 1.6 GWh |
| #6292 | Edison 7205 Solar | Edison, NJ | 1.6 GWh |
| #6293 | Bishop Ranch BR 1-X | San Ramon, CA | 1.6 GWh |
| #6294 | St. Joseph's Solar, LLC CSG | Charlton, MA | 1.6 GWh |
| #6295 | Kearsarge Upper Union | Franklin, MA | 1.5 GWh |
| #6296 | Carlson Community (CSG) | Lindstrom, MN | 1.6 GWh |
| #6297 | McHenry Solar | Hampton, CT | 1.6 GWh |
| #6298 | Few Solar | Somers, CT | 1.6 GWh |
| #6299 | Merck - Upper Gwynedd Solar Array | North Wales, PA | 1.6 GWh |
| #6301 | El Dorado AR | El Dorado, AR | 1.6 GWh |
| #6302 | NJ Airport Solar Project C | Newark, NJ | 1.6 GWh |
| #6303 | Musgrave West Solar Farm | Aurora, NY | 1.6 GWh |
| #6304 | Franklin Solar (CT) | Lebanon, CT | 1.6 GWh |
| #6305 | Wilson Solar (CT) | Lebanon, CT | 1.6 GWh |
| #6306 | Goodhue Community Solar One LLC CSG | Zumbrota, MN | 1.6 GWh |
| #6307 | Occidental College Solar Project | Los Angeles, CA | 1.6 GWh |
| #6308 | Bernhardt Furniture Solar Farm | Lenoir, NC | 1.6 GWh |
| #6309 | CSUF State College | Fullerton, CA | 1.6 GWh |
| #6310 | New Germany Community Solar Garden | New Germany, MN | 1.6 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Rock County Customer Hosted Solar.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Albany Solar (WI) | Broadhead, WI | 98.9 GWh | 18.2 mi |
| All World Solar Facility | Roscoe, IL | 3.2 GWh | 18.1 mi |
| Ameresco Janesville | Janesville, WI | 3.1 GWh | 1 mi |
| Beloit Memorial Hospital Power Plant | Beloit, WI | 147.0 MWh | 12.1 mi |
| Crawfish River | Jefferson, WI | 127.7 GWh | 20.5 mi |
| Darien Solar | Darien, WI | 360.1 GWh | 16 mi |
| Hackbarth Solar WI, LLC | Fort Atkinson, WI | 8.9 GWh | 13.6 mi |
| HQC Rock River Solar Power Gen Station | Beloit, WI | 3.0 GWh | 10 mi |
| Janesville Community Solar | Janesville, WI | 2.6 GWh | 0 mi |
| Jones Dairy | Fort Atkinson, WI | 3.7 GWh | 16.2 mi |
| La Grange Solar Partners, LLC | Elkhorn, WI | 405.0 MWh | 22.9 mi |
| North Rock | Edgerton, WI | 92.1 GWh | 7.3 mi |
| Paddock Solar | Beloit, WI | 133.6 GWh | 12.1 mi |
| Riverside Energy Center | Beloit, WI | 3.4 TWh | 9.7 mi |
| RockGen Energy Center | Cambridge, WI | 625.4 GWh | 17.6 mi |
| Rockton | Rockton, IL | 6.5 GWh | 19 mi |
| Spring Brook Solar WI, LLC | Whitewater, WI | 630.0 MWh | 14.3 mi |
| UW Kegonsa Customer Hosted Solar | Stoughton, WI | 1.6 GWh | 21.2 mi |
| West Riverside Energy Center | Beloit, WI | 4.2 TWh | 9.8 mi |
| Whitewater Generating Station | Whitewater, WI | 361.2 GWh | 17.4 mi |