Jefferson Solar Park
792 N. Parkway, Jefferson, WI 53549Plant Summary Information
Jefferson Solar Park is ranked #100 out of 112 solar farms in Wisconsin in terms of total annual net electricity generation.
Jefferson Solar Park generated 144.0 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Jefferson Solar Park |
|---|---|
| Utility Name | Concord New Energy |
| Location | Jefferson County, WI |
| Initial Operation Date | December 2013 |
| Last Update | Dec 2025 |
| Annual Generation | 577.0 MWh |
| Annual Consumption | 2.0 k MMBtu |
| Ranked #12,200 out of 13,081 Power Plants Nationwide | |
| Ranked #6,840 out of 7,015 Solar Power Plants Nationwide | |
| Ranked #231 out of 260 Wisconsin Power Plants | |
| Ranked #100 out of 112 Wisconsin Solar Power Plants | |
| Fuel Types | Solar |
| Previous Operator |
Half Moon Ventures, LLC (2014 to 2020) Concord New Energy (2021 to 2025) |
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Monthly Net Generation for Jefferson Solar Park
Monthly Plant Fuel Consumption for Jefferson Solar Park
Jefferson Solar Park Details
| Summary Information | |
|---|---|
| Plant Name | Jefferson Solar Park (59771) |
| Plant Address | 792 N. Parkway, Jefferson, WI 53549 |
| Utility | Concord New Energy (59209) |
| Latitude, Longitude | 43.0146, -88.7992 |
| Generation Dates on File | Jan 2014 to Dec 2025 |
| Initial Operation Date | December 2013 |
| Annual Generation | 577.0 MWh |
| 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 | Non-Regulated |
| NERC Region | RFC |
| Balancing Authority | Midcontinent Independent Transmission System Operator, Inc.. (MISO) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Jefferson Utilities (9690) WI |
| Grid Voltage | 24.90 kV |
| Energy Storage | No |
Generator JSP01 Details Operating December 2013
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| Nameplate Capacity | 1 MW |
| Summer Capacity | 1 MW |
| Winter Capacity | 1 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | December 2013 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Solar Details | |
| Fixed Tilt | Yes |
|---|---|
| Azimuth Angle | 180 |
| Tilt Angle | 25 |
| DC Net Capacity | 1.1 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
Jefferson Solar Park Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
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Power plants with a similar annual net generation from Solar.
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|---|---|---|---|
| #6830 | AES Bend Solar II, LLC CSG | Rockford, IL | 609.0 MWh |
| #6831 | TX Houston 7080 Express Lane | Houston, TX | 600.0 MWh |
| #6832 | SunEdison Walgreens Moreno Valley | Moreno Valley, CA | 599.0 MWh |
| #6833 | Back River Waste Water Treatment | Baltimore, MD | 594.0 MWh |
| #6834 | Bancroft (MN) | Albert Lea, MN | 589.0 MWh |
| #6835 | Mariani Packing Vacaville Solar | Vacaville, CA | 586.0 MWh |
| #6836 | Deer Island Treatment Plant | Winthrop, MA | 33.2 GWh |
| #6837 | Waterloo Solar, LLC | Waterloo, IN | 584.0 MWh |
| #6838 | LaSalle Solar 6 | Ottawa, IL | 582.0 MWh |
| #6839 | Speedway North Bldg 1-sllas701 | Las Vegas, NV | 582.0 MWh |
| #6841 | MN CSG 2019-79 | Granite Falls, MN | 573.0 MWh |
| #6842 | ETS Ewing Solar Facility | Ewing, NJ | 558.0 MWh |
| #6843 | Rush Solar | Rush, NY | 556.0 MWh |
| #6844 | CA - Fresno County - Juvenile Hall | Fresno, CA | 552.0 MWh |
| #6845 | DeKalb Taylor LLC | DeKalb, IL | 538.0 MWh |
| #6846 | Amazon - SAN5 | San Diego, CA | 530.0 MWh |
| #6847 | Fremont CA AutoFactory | Fremont, CA | 524.0 MWh |
| #6848 | M. G. Emmett J. Bean Federal Center | Indianapolis, IN | 519.0 MWh |
| #6849 | Irwindale Brew Yard, LLC | Irwindale, CA | 517.0 MWh |
| #6850 | Bystronic Manufacturing | Hoffman Estates, IL | 515.0 MWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Jefferson Solar Park.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Ameresco Janesville | Janesville, WI | 3.1 GWh | 24 mi |
| Concord | Watertown, WI | 203.4 GWh | 11.9 mi |
| Crawfish River | Jefferson, WI | 129.7 GWh | 4 mi |
| Dane County Solar LLC | Cottage Grove, WI | 33.7 GWh | 22.3 mi |
| Darien Solar | Darien, WI | 366.3 GWh | 27.4 mi |
| Deertrack Park Gas Recovery | Watertown, WI | 32.5 GWh | 6 mi |
| Hackbarth Solar WI, LLC | Fort Atkinson, WI | 8.9 GWh | 9.6 mi |
| Hermsdorf Solar | Madison, WI | 16.4 GWh | 23.5 mi |
| Janesville Community Solar | Janesville, WI | 2.6 GWh | 23.1 mi |
| Jones Dairy | Fort Atkinson, WI | 3.7 GWh | 7 mi |
| La Grange Solar Partners, LLC | Elkhorn, WI | 405.0 MWh | 18.6 mi |
| LaFayette Solar WI, LLC | Elkhorn, WI | 10.2 GWh | 25.4 mi |
| North Rock | Edgerton, WI | 92.6 GWh | 20.8 mi |
| Rock County Customer Hosted Solar | Janesville, WI | 1.6 GWh | 23.1 mi |
| Rock LakeSolar WI, LLC | Waterloo, WI | 318.0 MWh | 11.2 mi |
| RockGen Energy Center | Cambridge, WI | 624.8 GWh | 12.9 mi |
| Spring Brook Solar WI, LLC | Whitewater, WI | 630.0 MWh | 15.9 mi |
| Sycamore (WI) | Madison, WI | 28.0 MWh | 26.8 mi |
| UW Kegonsa Customer Hosted Solar | Stoughton, WI | 1.6 GWh | 25.2 mi |
| Whitewater Generating Station | Whitewater, WI | 441.5 GWh | 11.5 mi |