Portage Solar Plant
N8917, Portage, WI 53901Plant Summary Information
Portage Solar Plant is ranked #22 out of 112 solar farms in Wisconsin in terms of total annual net electricity generation.
Portage Solar Plant generated 3.1 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Portage Solar Plant |
|---|---|
| Utility Name | Portage Solar Plant |
| Location | Columbia County, WI |
| Initial Operation Date | June 2023 |
| Last Update | Dec 2025 |
| Annual Generation | 21.2 GWh |
| Annual Consumption | 78.7 k MMBtu |
| Ranked #5,308 out of 13,094 Power Plants Nationwide | |
| Ranked #1,564 out of 7,027 Solar Power Plants Nationwide | |
| Ranked #104 out of 260 Wisconsin Power Plants | |
| Ranked #22 out of 112 Wisconsin Solar Power Plants | |
| Fuel Types | Solar |
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Monthly Net Generation for Portage Solar Plant
Monthly Plant Fuel Consumption for Portage Solar Plant
Portage Solar Plant Details
| Summary Information | |
|---|---|
| Plant Name | Portage Solar Plant (67597) |
| Plant Address | N8917, Portage, WI 53901 |
| Utility | Portage Solar Plant (66291) |
| Latitude, Longitude | 43.60706, -89.24341 |
| Generation Dates on File | Jan 2024 to Dec 2025 |
| Initial Operation Date | June 2023 |
| Annual Generation | 21.2 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 | 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 | Wisconsin Power & Light Co (20856) WI |
| Grid Voltage | 34.50 kV |
| Energy Storage | No |
Generator PG329 Details Operating June 2023
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| Nameplate Capacity | 11.8 MW |
| Summer Capacity | 10 MW |
| Winter Capacity | 10 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | June 2023 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Time From Cold Shutdown To Full Load | 1H |
| Solar Details | |
| Single Axis Tracking | Yes |
|---|---|
| Bifacial | Yes |
| Azimuth Angle | 180 |
| DC Net Capacity | 14.8 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | Yes |
| Net Metering DC Capacity | 13.8 MW |
| Virtual Net Metering Agreement | No |
Portage Solar Plant 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 |
|---|---|---|---|
| #1554 | Sunny Rock Solar, LLC | Martinsville, VA | 21.9 GWh |
| #1555 | SPS4 Monument | Monument, NM | 21.9 GWh |
| #1556 | SPS2 Jal | Jal, NM | 21.8 GWh |
| #1557 | Gans Solar | Lake Lynn, PA | 21.8 GWh |
| #1558 | Open Range Solar Center, LLC | Nyssa, OR | 21.6 GWh |
| #1559 | Woods Hill Solar | Pomfret, CT | 21.5 GWh |
| #1560 | Guernsey Solar Station | Hanford, CA | 21.5 GWh |
| #1561 | Ostrea Solar, LLC | Moxee, WA | 21.5 GWh |
| #1562 | Thunderegg Solar Center, LLC | Nyssa, OR | 21.4 GWh |
| #1563 | Marin Clean Energy Solar One | Richmond, CA | 21.2 GWh |
| #1565 | Aspiration G | Cantua Creek, CA | 21.1 GWh |
| #1566 | Alpaugh North | Alpaugh, CA | 21.1 GWh |
| #1567 | Swamp Fox Solar | Pelion, SC | 21.0 GWh |
| #1568 | Camp Lejeune Solar and Energy Storage | Camp Lejeune, NC | 20.9 GWh |
| #1569 | Brighter Future Solar | Granite Falls, NC | 20.8 GWh |
| #1570 | SPS5 Hopi | Carlsbad, NM | 20.8 GWh |
| #1571 | OSLH, LLC | Bend, OR | 20.7 GWh |
| #1572 | Fort Valley State University Solar | Fort Valley, GA | 20.7 GWh |
| #1573 | Hertford Solar Power, LLC | Ahoskie, NC | 20.7 GWh |
| #1574 | Whitetail Solar | Dillon, SC | 20.7 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Portage Solar Plant.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Adams PV Plant | Adams, WI | 15.4 GWh | 32.2 mi |
| Beaver Dam Solar | Dodge, WI | 102.1 GWh | 24.3 mi |
| Berlin Landfill Gas | Berlin, WI | 11.6 GWh | 29.4 mi |
| Blount Street | Madison, WI | 58.6 GWh | 37.1 mi |
| Columbia (WI) | Pardeville, WI | 5.2 TWh | 12.2 mi |
| Dane County Airport Solar | Madison, WI | 17.4 GWh | 31.1 mi |
| Diesel Generators | Madison, WI | 1.2 GWh | 37 mi |
| Forward Wind Energy Center | Brownsville, WI | 122.3 GWh | 37.3 mi |
| Galactic Wind | Waunakee, WI | 21.2 GWh | 35.2 mi |
| Glacier Hills | Cambria, WI | 333.0 GWh | 5.6 mi |
| Hermsdorf Solar | Madison, WI | 16.4 GWh | 37.8 mi |
| Kilbourn | Wisconsin Dells, WI | 49.2 GWh | 26.9 mi |
| Middleton Airport Solar | Middleton, WI | 7.4 GWh | 36.9 mi |
| Middleton Biogas Solar, LLC | Middleton, WI | 1.9 GWh | 36.7 mi |
| Nortera Customer Hosted Solar | Fairwater, WI | 307.0 MWh | 21 mi |
| Prairie Du Sac | Prairie du Sac, WI | 152.9 GWh | 31.8 mi |
| Rock LakeSolar WI, LLC | Waterloo, WI | 318.0 MWh | 36.7 mi |
| Sycamore (WI) | Madison, WI | 28.0 MWh | 34.3 mi |
| Wautoma Solar | Wautoma, WI | 193.1 GWh | 31.6 mi |
| West Campus Cogeneration Facility | Madison, WI | 305.2 GWh | 37.9 mi |