Wausau — Plant Summary
- EIA Plant ID
- 4077
- Capacity
- 5.4 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Marathon, WI
- Operating Since
- 1921
- Generators
- 3
- Operator
- Wisconsin Public Service Corp
- Parent Company
- WEC Energy Group
- Annual Generation
- 18,565 MWh
- Capacity Factor
- 39.2%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- RFC
Wausau
OperatingHydro
Ranked #26 of 61 Hydro plants in WI#841 of 1454 nationally
5.4 MW Hydro operating in Marathon, WI — Midcontinent Independent Transmission System Operator, Inc..
EIAWD
5.4 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1921
Operating Since
Location
Coordinates
44.9575, -89.6367
County
Marathon, WI
Nearby Plants
- Rothschild Biomass Cogen FacilityWood Waste57.5 MW · 7.7 km
- Domtar Paper Company RothschildHydro1.1 MW · 7.9 km
- WestonSub. Coal945.5 MW · 10.9 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 Wausau hydroelectric plant is located in Marathon County, Wisconsin. The plant has a total capacity of 5.4 MW across three generators, and it began operating in 1921. The primary fuel source is water. The plant is owned by WEC Energy Group and operated by Wisconsin Public Service Corp.
Wausau's latest annual generation was 18,565 MWh, resulting in a capacity factor of 39.2%. The plant operates within the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and the ReliabilityFirst Corporation (RFC) NERC region. According to available data, the installed cost per kW was $775.32, based on FERC filings. Wausau ranks 31st out of 65 power plants in Wisconsin and 853rd out of 1464 nationally.
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
46 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
1.8K MWh
Latest Month
18.6K MWh
Annual Generation
39.2%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: FERC Form 1HIGH
$2,467/kW
Installed Cost
Wisconsin Public Service Corporation
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidenceMarket 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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