Grandfather Falls
N5059 Hwy 107, Irma, WI 54442Plant Summary Information
Grandfather Falls is ranked #9 out of 66 hydroelectric power plants in Wisconsin in terms of total annual net electricity generation.
Grandfather Falls is comprised of 2 generators and generated 16.0 GWh during the 3-month period between September 2024 to December 2024.
| Plant Name | Grandfather Falls |
|---|---|
| Utility Name | Wisconsin Public Service Corp |
| Location | Lincoln County, WI |
| Initial Operation Date | December 1938 |
| Last Update | Dec 2024 |
| Annual Generation | 80.4 GWh |
| Annual Consumption | 296.6 k MMBtu |
| Ranked #3,490 out of 12,288 Power Plants Nationwide | |
| Ranked #400 out of 1,323 Water Power Plants Nationwide | |
| Ranked #64 out of 239 Wisconsin Power Plants | |
| Ranked #9 out of 66 Wisconsin Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Grandfather Falls
Grandfather Falls Details
| Summary Information | |
|---|---|
| Plant Name | Grandfather Falls (4063) |
| Plant Address | N5059 Hwy 107, Irma, WI 54442 |
| Utility | Wisconsin Public Service Corp (20860) |
| Latitude, Longitude | 45.3019, -89.7917 |
| Generation Dates on File | Jan 2001 to Dec 2024 |
| Initial Operation Date | December 1938 |
| Annual Generation | 80.4 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 | RFC |
| Balancing Authority | Midcontinent Independent Transmission System Operator, Inc.. (MISO) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Wisconsin River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | American Transmission Co (659) WI |
| Grid Voltage | 115.00 kV |
| Energy Storage | No |
Generator 1 Details Operating December 1938
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | WPS.WPSM |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | WPS.WPSM |
| Nameplate Capacity | 11 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 11 MW |
| Winter Capacity | 11 MW |
| Minimum Load | 3 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | December 1938 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator 2 Details Operating December 1938
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | WPS.WPSM |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | WPS.WPSM |
| Nameplate Capacity | 6.2 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 6.2 MW |
| Winter Capacity | 6.2 MW |
| Minimum Load | 1.5 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | December 1938 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Grandfather Falls Plant Owners
| Owner Name | Address | Generator | 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 Water.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #390 | Lake Dorothy Hydroelectric Project | Juneau, AK | 83.6 GWh |
| #391 | Smith Falls Hydro Project | Bonners Ferry, ID | 83.0 GWh |
| #392 | Cornell | Chippewa Falls, WI | 82.4 GWh |
| #393 | Grahamsville | Grahamsville, NY | 82.3 GWh |
| #394 | Blanchard | Royalton, MN | 81.8 GWh |
| #395 | Muck Valley Hydroelectric | NA, CA | 81.8 GWh |
| #396 | Iron Gate | Hornbrook, CA | 81.5 GWh |
| #397 | El Dorado | Pollock Pines, CA | 80.9 GWh |
| #398 | Narrows PH | Grass Valley, CA | 80.8 GWh |
| #399 | South Glens Falls Hydroelectric | South Glens Falls, NY | 80.4 GWh |
| #401 | Williams Hydro | Solon, ME | 80.2 GWh |
| #402 | Upper Mechanicville | Town of Stillwater, NY | 78.7 GWh |
| #403 | Drop 4 | Holtville, CA | 78.2 GWh |
| #404 | West Enfield Hydro | West Enfield, ME | 77.5 GWh |
| #405 | Amoskeag | Manchester, NH | 76.9 GWh |
| #406 | Union Valley | Fresh Pond, CA | 76.5 GWh |
| #407 | Bennetts Bridge | Altmar, NY | 76.3 GWh |
| #408 | Madison Dam | Ennis, MT | 76.2 GWh |
| #409 | Swan Lake | Ketchikan, AK | 75.5 GWh |
| #410 | Blue Lake Hydro | Sitka, AK | 75.4 GWh |
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Below are closest 20 power plants surrounding Grandfather Falls.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Alexander | Merrill, WI | 19.0 GWh | 8.1 mi |
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| Medford DPC Solar | Medford, WI | 2.7 GWh | 29.9 mi |
| Merrill | Merrill, WI | 4.3 GWh | 10 mi |
| Mosinee Mill | Mosinee, WI | 124.1 GWh | 35.8 mi |
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| Tomahawk | Tomahawk, WI | 10.8 GWh | 10.1 mi |
| Wausau | Wausau, WI | 18.6 GWh | 25 mi |
| Weston | Rothschild, WI | 4.3 TWh | 31.2 mi |
| Weston RICE | Kronenwetter, WI | 85.5 GWh | 31.5 mi |