Spooner Solar Array
1600 County Highway H, Spooner, WI 54801Plant Summary Information
Spooner Solar Array is ranked #65 out of 113 solar farms in Wisconsin in terms of total annual net electricity generation.
Spooner Solar Array generated 423.0 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Spooner Solar Array |
|---|---|
| Utility Name | Onsite Partners, LLC |
| Location | Washburn County, WI |
| Initial Operation Date | June 2019 |
| Last Update | Dec 2025 |
| Annual Generation | 3.1 GWh |
| Annual Consumption | 10.9 k MMBtu |
| Ranked #9,863 out of 13,301 Power Plants Nationwide | |
| Ranked #4,870 out of 7,209 Solar Power Plants Nationwide | |
| Ranked #192 out of 261 Wisconsin Power Plants | |
| Ranked #65 out of 113 Wisconsin Solar Power Plants | |
| Fuel Types | Solar |
| Previous Operator |
AEP Onsite Partners, LLC (2021 to 2024) Onsite Partners, LLC (2025 to 2025) |
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Monthly Net Generation for Spooner Solar Array
Monthly Plant Fuel Consumption for Spooner Solar Array
Spooner Solar Array Details
| Summary Information | |
|---|---|
| Plant Name | Spooner Solar Array (64976) |
| Plant Address | 1600 County Highway H, Spooner, WI 54801 |
| Utility | Onsite Partners, LLC (60571) |
| Latitude, Longitude | 45.91905, -91.86248 |
| Generation Dates on File | Jan 2021 to Dec 2025 |
| Initial Operation Date | June 2019 |
| Annual Generation | 3.1 GWh |
| Fuel Types | Solar |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | Yes |
| FERC Small Power Producer Docket Number | 21-873-000 |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | MRO |
| 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 | City of Spooner - (WI) (17811) WI |
| Grid Voltage | 12.47 kV |
| Energy Storage | No |
Generator SPN01 Details Operating June 2019
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | WPS.WESTON3 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | WPS.WESTON3 |
| Nameplate Capacity | 2 MW |
| Summer Capacity | 2.1 MW |
| Winter Capacity | 2.1 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | June 2019 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Carbon Capture Technology | No |
| Multiple Fuels | No |
| Solar Details | |
| Single Axis Tracking | Yes |
|---|---|
| Azimuth Angle | 180 |
| Tilt Angle | 60 |
| DC Net Capacity | 2.4 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | Yes |
| Net Metering DC Capacity | 2.4 MW |
| Virtual Net Metering Agreement | No |
Spooner Solar Array Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
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| #4871 | Kearsarge Johnstown 2 CSG | Johnstown, NY | 3.1 GWh |
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| #4873 | Waxdale | Sturtevant, WI | 36.6 GWh |
| #4874 | County of San Diego COC Hybrid | San Diego, CA | 3.1 GWh |
| #4875 | Newark Solar 1 LLC | Newark, NJ | 3.1 GWh |
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| #4878 | Estrella Mountain PV | Avondale, AZ | 3.1 GWh |
| #4879 | Drift Creek Solar | Silverton, OR | 3.1 GWh |
| #4880 | CMEEC - Bozrah | Bozrah, CT | 3.1 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Spooner Solar Array.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Apple River Solar, LLC | Amery, WI | 171.9 GWh | 42.8 mi |
| Arpin Dam | Radisson, WI | 5.5 GWh | 33.8 mi |
| Barron | Barron, WI | 382.0 MWh | 35.7 mi |
| Barron Solar Array | Barron, WI | 5.8 GWh | 36.2 mi |
| Clam River Dam | Danbury, WI | 4.8 GWh | 32.5 mi |
| Cumberland (WI) | Cumberland, WI | 269.0 MWh | 27.7 mi |
| Cumberland Solar | Cumberland, WI | 3.6 GWh | 29.3 mi |
| Danbury Dam | Danbury, WI | 2.3 GWh | 25.1 mi |
| Georgetown (Polk Burnett) | Balsam Lake, WI | 3.8 GWh | 39.1 mi |
| Grantsburg Diesel | Grantsburg, WI | 26.5 MWh | 40.4 mi |
| LAC Courte Oreilles Hydroelect | Winter, WI | 7.2 GWh | 37.8 mi |
| Luck | Luck, WI | 85.0 MWh | 36.7 mi |
| Rice Lake II | Rice Lake, WI | 5.1 GWh | 27.7 mi |
| Rice Lake Solar Array | Rice Lake, WI | 7.0 GWh | 27.6 mi |
| Sand Lake DPC Solar | Centuria, WI | 2.2 GWh | 46.6 mi |
| Thornapple | Bruce, WI | 6.6 GWh | 46.9 mi |
| Timberline Trail Gas Recovery | Weyerhaeser, WI | 19.1 GWh | 40.3 mi |
| Trego | Hayward, WI | 5.1 GWh | 2.4 mi |
| Viola | Webster, WI | 65.0 MWh | 20.4 mi |
| Viresco Turtle Lake | Turtle Lake, WI | 8.5 GWh | 39.3 mi |