Tomahawk — Plant Summary
- EIA Plant ID
- 4075
- Capacity
- 2.6 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Lincoln, WI
- Operating Since
- 1938
- Generators
- 2
- Operator
- Wisconsin Public Service Corp
- Parent Company
- WEC Energy Group
- Annual Generation
- 10,750 MWh
- Capacity Factor
- 47.1%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- RFC
Tomahawk
OperatingHydro
Ranked #39 of 61 Hydro plants in WI#1124 of 1454 nationally
2.6 MW Hydro operating in Lincoln, WI — Midcontinent Independent Transmission System Operator, Inc..
EIAWD
2.6 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1938
Operating Since
Location
Coordinates
45.4411, -89.7306
County
Lincoln, WI
Nearby Plants
- Packaging of America Tomahawk MillHydro18.7 MW · 0.4 km
- Grandfather FallsHydro17.2 MW · 16.2 km
- Hat RapidsHydro1.7 MW · 24.3 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Wisconsin Public Service Corp | Wisconsin Public Service | — |
| Owner(s) | Wisconsin Public Service Corp | WEC Energy Group | — |
| Status | Operating | — | — |
Ownership Chain
About
The Tomahawk hydroelectric plant, located in Lincoln County, Wisconsin, has a total capacity of 2.6 MW. It began operating in 1938 and is owned by WEC Energy Group, with Wisconsin Public Service Corp. as the operator. The plant utilizes conventional hydroelectric technology and consists of two generators. It is interconnected to the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and resides within the ReliabilityFirst Corporation (RFC) NERC region.
In the most recent year with available data, Tomahawk generated 10,750 MWh, achieving a capacity factor of 47.1%. The plant's installed cost was $416.83 per kW, according to FERC data. Tomahawk ranks as the 43rd largest power plant out of 65 in Wisconsin, and 1138th out of 1464 nationally. The plant's primary fuel source is water.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
RFC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
24.9 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
863 MWh
Latest Month
10.8K MWh
Annual Generation
47.1%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: FERC Form 1HIGH
$2,628/kW
Installed Cost
Wisconsin Public Service Corporation
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Tomahawk · 115 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
WPS.WPSM
Pricing Hub
MICHIGAN.HUB
Location Type
Load Zone
Node Source
EIA-860 direct report
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