Big Falls
West 5506 Dam Road, Glen Fora, WI 54563Plant Summary Information
Big Falls is ranked #24 out of 66 hydroelectric power plants in Wisconsin in terms of total annual net electricity generation.
Big Falls is comprised of 3 generators and generated 4.7 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Big Falls |
|---|---|
| Utility Name | Northern States Power Co - Minnesota |
| Location | Rusk County, WI |
| Initial Operation Date | January 1922 |
| Last Update | Dec 2025 |
| Annual Generation | 27.3 GWh |
| Annual Consumption | 100.0 k MMBtu |
| Ranked #4,982 out of 13,081 Power Plants Nationwide | |
| Ranked #619 out of 1,311 Water Power Plants Nationwide | |
| Ranked #98 out of 260 Wisconsin Power Plants | |
| Ranked #24 out of 66 Wisconsin Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Big Falls
Monthly Plant Fuel Consumption for Big Falls
Big Falls Details
| Summary Information | |
|---|---|
| Plant Name | Big Falls (3983) |
| Plant Address | West 5506 Dam Road, Glen Fora, WI 54563 |
| Utility | Northern States Power Co - Minnesota (13781) |
| Latitude, Longitude | 45.49167, -91.0469 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | January 1922 |
| Annual Generation | 27.3 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 | Flambeau River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Northern States Power Co (13780) WI |
| Grid Voltage | 69.00 kV |
| Energy Storage | No |
Generator 1 Details Operating January 1922
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | NSP BIGFALL BIGFAL_A_UNIT |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | NSP BIGFALL BIGFAL_A_UNIT |
| Nameplate Capacity | 2.6 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 1.1 MW |
| Winter Capacity | 1 MW |
| Minimum Load | 0.7 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | January 1922 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 1H |
| Multiple Fuels | No |
Generator 2 Details Operating January 1922
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | NSP BIGFALL BIGFAL_A_UNIT |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | NSP BIGFALL BIGFAL_A_UNIT |
| Nameplate Capacity | 2.6 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 1.1 MW |
| Winter Capacity | 1 MW |
| Minimum Load | 0.7 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | January 1922 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 1H |
| Multiple Fuels | No |
Generator 3 Details Operating September 1993
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | NSP BIGFALL BIGFAL_A_UNIT |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | NSP BIGFALL BIGFAL_A_UNIT |
| Nameplate Capacity | 2.5 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 1.1 MW |
| Winter Capacity | 1 MW |
| Minimum Load | 0.6 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | September 1993 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 1H |
| Multiple Fuels | No |
Big 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 |
|---|---|---|---|
| #609 | Eagle | Croghan, NY | 28.4 GWh |
| #610 | Bypass | Hazelton, ID | 28.2 GWh |
| #611 | Ashton | Ashton, ID | 28.0 GWh |
| #612 | Bridgewater | Morganton, NC | 28.0 GWh |
| #613 | Opal Springs Hydro | Culver, OR | 28.0 GWh |
| #614 | Broadwater Power Project | Toston, MT | 27.9 GWh |
| #615 | Sherman | Rowe, MA | 27.8 GWh |
| #616 | Proctor | Proctor, VT | 27.8 GWh |
| #617 | Foote | Oscoda, MI | 27.6 GWh |
| #618 | Berrien Springs | Berrien Springs, MI | 27.3 GWh |
| #620 | Wilson Lake Hydroelectric Project | Eden, ID | 27.3 GWh |
| #621 | Monroe (NE) | Monroe, NE | 27.2 GWh |
| #622 | Sly Creek | Forbestown, CA | 27.2 GWh |
| #623 | Lyons Falls Hydroelectric | Lyons Falls, NY | 27.1 GWh |
| #624 | Little Falls (MN) | Little Falls, MN | 27.0 GWh |
| #625 | Rio Bravo Hydro Project | Bakersfield, CA | 27.0 GWh |
| #626 | McSwain | Snelling, CA | 26.9 GWh |
| #627 | Bulls Bridge | New Milford, CT | 26.9 GWh |
| #628 | Drop 2 (CA) | Holtville, CA | 26.7 GWh |
| #629 | Kansas River Project | Lawrence, KS | 26.7 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Big Falls.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Arpin Dam | Radisson, WI | 5.5 GWh | 19.5 mi |
| Barron | Barron, WI | 382.0 MWh | 39 mi |
| Barron Solar Array | Barron, WI | 5.8 GWh | 38.4 mi |
| Conrath DPC Solar | Conrath, WI | 1.5 GWh | 8.7 mi |
| Cornell | Chippewa Falls, WI | 69.9 GWh | 23.3 mi |
| Flambeau Crowley Rapids Project | Park Falls, WI | 4.0 GWh | 34.3 mi |
| Flambeau Hydroelectric Station | Ladysmith, WI | 62.1 GWh | 0 mi |
| Flambeau Solar Partners | Phillips, WI | 4.4 GWh | 32.6 mi |
| Hannibal | Gillman, WI | 378.0 MWh | 20.9 mi |
| Holcombe | Holcombe, WI | 81.0 GWh | 18.9 mi |
| Jim Falls | Jim Falls, WI | 105.3 GWh | 32.4 mi |
| LAC Courte Oreilles Hydroelect | Winter, WI | 7.2 GWh | 27.4 mi |
| Ladysmith Dam | Ladysmith, WI | 9.6 GWh | 2.6 mi |
| Medford DPC Solar | Medford, WI | 2.8 GWh | 39.8 mi |
| New Auburn DPC Solar | New Auburn, WI | 4.5 GWh | 27.1 mi |
| Ogema | Ogema, WI | 2.5 GWh | 34.9 mi |
| Rice Lake Solar Array | Rice Lake, WI | 7.0 GWh | 34.5 mi |
| Thornapple | Bruce, WI | 6.6 GWh | 10 mi |
| Timberline Trail Gas Recovery | Weyerhaeser, WI | 19.1 GWh | 15.3 mi |
| Wolf River (Chipewa 1) | Stanley, WI | 2.6 GWh | 37.6 mi |