Tomahawk

W6080 Pride Pond Rd, Tomahawk, WI 54487

Plant Summary Information

Tomahawk is ranked #41 out of 66 hydroelectric power plants in Wisconsin in terms of total annual net electricity generation.

Tomahawk is comprised of 2 generators and generated 2.0 GWh during the 3-month period between September 2025 to December 2025.

Plant Name	Tomahawk
Utility Name	Wisconsin Public Service Corp
Location	Lincoln County, WI
Initial Operation Date	January 1938
Last Update	Dec 2025
Annual Generation	10.7 GWh
Annual Consumption	39.6 k MMBtu
Ranked #6,193 out of 13,301 Power Plants Nationwide
Ranked #885 out of 1,316 Water Power Plants Nationwide
Ranked #132 out of 261 Wisconsin Power Plants
Ranked #41 out of 66 Wisconsin Water Power Plants
Fuel Types	Water

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Summary Information
Plant Name	Tomahawk (4075)
Plant Address	W6080 Pride Pond Rd, Tomahawk, WI 54487
Utility	Wisconsin Public Service Corp (20860)
Latitude, Longitude	45.4411, -89.7306
Generation Dates on File	Jan 2001 to Dec 2025
Initial Operation Date	January 1938
Annual Generation	10.7 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	Wisconsin Public Service Corp (20860) WI
Grid Voltage	24.90 kV
Energy Storage	No

* Data obtained from the 2025 EIA 860 Report

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	1.3 MW
Nameplate Power Factor	0.8
Summer Capacity	1.3 MW
Winter Capacity	1.3 MW
Minimum Load	0.4 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	January 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

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	1.3 MW
Nameplate Power Factor	0.8
Summer Capacity	1.3 MW
Winter Capacity	1.3 MW
Minimum Load	0.4 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	January 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

Owner Name	Address	Generator	Ownership
*We couldn't locate any owners for this plant*

Power plants with a similar annual net generation from Water.

Rank	Plant Name	Plant Location	Annual Generation
#875	Penacook Upper Falls Hydro	Penacook, NH	11.1 GWh
#876	Pine	Florence, WI	11.1 GWh
#877	Dillon Hydro Plant	Summit, CO	11.1 GWh
#878	Dolgeville Hydro	Dolgeville, NY	11.0 GWh
#879	Tenkiller Ferry	Gore, OK	11.0 GWh
#880	Haiwee	Olancha, CA	11.0 GWh
#881	Nacoochee	Lakemont, GA	10.9 GWh
#882	Caldron Falls	Town of Stephenson, WI	10.9 GWh
#883	Elkhart	Elkhart, IN	10.8 GWh
#884	Shavano Falls Hydro	Montrose, CO	10.8 GWh
#886	Johnson Falls	Town of Stephenson, WI	10.7 GWh
#887	Bishop Creek 5	Bishop, CA	10.7 GWh
#888	Weeks Falls	North Bend, WA	10.7 GWh
#889	Glen Ferris Hydro	Gauley Bridge, WV	10.6 GWh
#890	Putts Bridge	Ludlow, MA	10.6 GWh
#891	Whiskeytown	Whiskeytown, CA	10.5 GWh
#892	Big Pine Creek	Big Pine, CA	10.5 GWh
#893	Belfort	Croghan, NY	10.4 GWh
#894	Pioneer	Ogden, UT	10.4 GWh
#895	Birch Creek Power	Terreton, ID	10.4 GWh

Below are closest 20 power plants surrounding Tomahawk.

Plant Name	Plant Location	Annual Generation	Distance
Alexander	Merrill, WI	13.9 GWh	17.6 mi
Antigo Solar Partners, LLC	Antigo, WI	9.0 GWh	33.8 mi
Antigo-Forrest Street Solar Project	Antigo, WI	9.0 GWh	34.8 mi
Domtar Paper Company Rothschild	Rothschild, WI	524.0 MWh	38.6 mi
Fiber Recovery, Inc.	Ringle, WI	6.5 GWh	41.8 mi
Flambeau Lower Project	Park Falls, WI	3.0 GWh	47.6 mi
Flambeau Solar Partners	Phillips, WI	3.9 GWh	41.2 mi
Grandfather Falls	Irma, WI	79.1 GWh	10.1 mi
Hat Rapids	Rhinelander, WI	6.6 GWh	15.1 mi
Hodag Solar	Rhinelander, WI	13.2 GWh	18.3 mi
Medford DPC Solar	Medford, WI	3.0 GWh	36.7 mi
Merrill	Merrill, WI	3.7 GWh	18.3 mi
Mosinee Mill	Mosinee, WI	87.2 GWh	45.2 mi
Ogema	Ogema, WI	2.5 GWh	29 mi
Packaging of America Tomahawk Mill	Tomahawk, WI	113.1 GWh	0.2 mi
Rhinelander Mill	Rhinelander, WI	7.7 GWh	20.3 mi
Rothschild Biomass Cogen Facility	Rothschild, WI	165.6 GWh	38.5 mi
Wausau	Wausau, WI	24.5 GWh	33.7 mi
Weston	Rothschild, WI	4.0 TWh	40.3 mi
Weston RICE	Kronenwetter, WI	144.5 GWh	40.6 mi