Petenwell
N11397 18th Av, Necedah, WI 54646Plant Summary Information
Petenwell is ranked #4 out of 66 hydroelectric power plants in Wisconsin in terms of total annual net electricity generation.
Petenwell is comprised of 4 generators and generated 13.5 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Petenwell |
|---|---|
| Utility Name | Wisconsin River Power Company |
| Location | Juneau County, WI |
| Initial Operation Date | August 1949 |
| Last Update | Dec 2025 |
| Annual Generation | 97.2 GWh |
| Annual Consumption | 356.7 k MMBtu |
| Ranked #3,528 out of 13,081 Power Plants Nationwide | |
| Ranked #330 out of 1,311 Water Power Plants Nationwide | |
| Ranked #58 out of 260 Wisconsin Power Plants | |
| Ranked #4 out of 66 Wisconsin Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Petenwell
Monthly Plant Fuel Consumption for Petenwell
Petenwell Details
| Summary Information | |
|---|---|
| Plant Name | Petenwell (4080) |
| Plant Address | N11397 18th Av, Necedah, WI 54646 |
| Utility | Wisconsin River Power Company (20863) |
| Latitude, Longitude | 44.0572, -90.0217 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | August 1949 |
| Annual Generation | 97.2 GWh |
| Fuel Types | Water |
| 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 | Wisconsin River |
| Ash Impoundment | |
| Transmission / Distribution Owner | American Transmission Co (659) WI |
| Grid Voltage | 138.00 kV |
| Energy Storage | No |
Generator 2 Details Operating October 1949
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Jointly Owned |
| RTO ISO LMP Node Designation | WPS.WPSM(50%)/ALTE.ALTE(50%) |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | WPS.WPSM(50%)/ALTE.ALTE(50%) |
| Nameplate Capacity | 5 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 5 MW |
| Winter Capacity | 5 MW |
| Minimum Load | 2 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | October 1949 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator 3 Details Operating November 1949
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Jointly Owned |
| RTO ISO LMP Node Designation | WPS.WPSM(50%)/ALTE.ALTE(50%) |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | WPS.WPSM(50%)/ALTE.ALTE(50%) |
| Nameplate Capacity | 5 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 5 MW |
| Winter Capacity | 5 MW |
| Minimum Load | 2 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | November 1949 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator 1 Details Operating August 1949
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Jointly Owned |
| RTO ISO LMP Node Designation | WPS.WPSM(50%)/ALTE.ALTE(50%) |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | WPS.WPSM(50%)/ALTE.ALTE(50%) |
| Nameplate Capacity | 5 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 5 MW |
| Winter Capacity | 5 MW |
| Minimum Load | 2 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | August 1949 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator 4 Details Operating January 1950
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Jointly Owned |
| RTO ISO LMP Node Designation | WPS.WPSM(50%)/ALTE.ALTE(50%) |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | WPS.WPSM(50%)/ALTE.ALTE(50%) |
| Nameplate Capacity | 5 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 5 MW |
| Winter Capacity | 5 MW |
| Minimum Load | 2 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | January 1950 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Petenwell Plant Owners
| Owner Name | Address | Generator | Ownership |
|---|---|---|---|
| Wisconsin Power & Light Co | 4902 North Biltmore Lane, Madison, WI 53718 | Generator 1 | 50.00% |
| Wisconsin Public Service Corp | 231 W. Michigan Street, Milwaukee, WI 53203 | Generator 1 | 50.00% |
| Wisconsin Power & Light Co | 4902 North Biltmore Lane, Madison, WI 53718 | Generator 2 | 50.00% |
| Wisconsin Public Service Corp | 231 W. Michigan Street, Milwaukee, WI 53203 | Generator 2 | 50.00% |
| Wisconsin Power & Light Co | 4902 North Biltmore Lane, Madison, WI 53718 | Generator 3 | 50.00% |
| Wisconsin Public Service Corp | 231 W. Michigan Street, Milwaukee, WI 53203 | Generator 3 | 50.00% |
| Wisconsin Power & Light Co | 4902 North Biltmore Lane, Madison, WI 53718 | Generator 4 | 50.00% |
| Wisconsin Public Service Corp | 231 W. Michigan Street, Milwaukee, WI 53203 | Generator 4 | 50.00% |
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|---|---|---|---|
| #320 | Berlin Gorham | Berlin, NH | 101.1 GWh |
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| #323 | Big Quinnesec 92 | Iron Mountain, MI | 100.0 GWh |
| #324 | High Rock Hydro | Denton, NC | 99.7 GWh |
| #325 | Minidoka | Rupert, ID | 98.8 GWh |
| #326 | Wylie | Fort Mill, SC | 98.6 GWh |
| #327 | Harriman | Whitingham, VT | 98.2 GWh |
| #328 | Ocoee 2 | Benton, TN | 98.1 GWh |
| #329 | Blewett | Lilesville, NC | 98.0 GWh |
| #331 | Twin Cities Hydro LLC | St. Paul, MN | 97.1 GWh |
| #332 | North Highlands | Columbus, GA | 96.9 GWh |
| #333 | Tuckertown Hydro | New London, NC | 95.7 GWh |
| #334 | York Haven | York Haven, PA | 95.7 GWh |
| #335 | Fort Patrick Henry | Kingsport, TN | 94.8 GWh |
| #336 | Beaver Dam (AR) | Eureka Springs, AR | 94.6 GWh |
| #337 | Tugalo | Tallulah Falls, GA | 93.9 GWh |
| #338 | Lake Lynn Hydro Station | Lake Lynn, PA | 93.9 GWh |
| #339 | Falls Hydro | Badin, NC | 93.6 GWh |
| #340 | Shepaug | Southbury, CT | 93.3 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Petenwell.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Adams PV Plant | Adams, WI | 15.4 GWh | 18.5 mi |
| Biron | Biron, WI | 29.6 GWh | 28.4 mi |
| Biron Mill | Wisconsin Rapids, WI | 95.7 GWh | 28.4 mi |
| Castle Rock | Adams, WI | 83.3 GWh | 13.7 mi |
| Elroy | Elroy, WI | 48.0 MWh | 25.1 mi |
| Elroy Solar | Mauston, WI | 1.3 GWh | 22.5 mi |
| Georgia-Pacific Corp - Nekoosa Mill | Nekoosa, WI | 159.9 GWh | 18.8 mi |
| Kilbourn | Wisconsin Dells, WI | 49.2 GWh | 32.1 mi |
| Lemonweir (Oak 1) | Mauston, WI | 5.6 GWh | 22 mi |
| New Lisbon | New Lisbon, WI | 55.0 MWh | 14.2 mi |
| New Lisbon Solar | New Lisbon, WI | 4.2 GWh | 13.3 mi |
| Port Edwards Mill | Port Edwards, WI | 36.8 GWh | 20.8 mi |
| Sauk DPC Solar | Wonewoc, WI | 1.5 GWh | 35.2 mi |
| Stevens Point Mill | Stevens Point, WI | 14.5 GWh | 29.8 mi |
| Wautoma Solar | Wautoma, WI | 189.7 GWh | 35.8 mi |
| Webster Creek (Oak 2) | New Lisbon, WI | 2.8 GWh | 15 mi |
| Whistling Winds DPC Solar | New Lisbon, WI | 1.6 GWh | 6.4 mi |
| Whiting | Whiting, WI | 16.1 GWh | 37.1 mi |
| Wisconsin Rapids | Wisconsin Rapids, WI | 46.4 GWh | 25.2 mi |
| Wood County | Nekoosa, WI | 272.9 GWh | 17.6 mi |