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5.4 MW Hydro operating in Marathon, WI — Midcontinent Independent Transmission System Operator, Inc..
5.4 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1921
Operating Since
Coordinates
44.9575, -89.6367
County
Marathon, WI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Wisconsin Public Service Corp | Wisconsin Public Service | — |
| Owner(s) | Wisconsin Public Service Corp | WEC Energy Group | — |
| Status | Operating | — | — |
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
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
1.8K MWh
Latest Month
18.6K MWh
Annual Generation
39.2%
Capacity Factor
Hydroelectric · Wisconsin Public Service Corporation · Data from 2015–2024
$2,467/kW
Installed Cost
$32.1/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
ISO/RTO Market
MISO
LMP Node
WPS.WPSM
Pricing Hub
MICHIGAN.HUB
Alt. Hub / Zone
MINN.HUB
Location Type
Load Zone
Node Source
EIA-860 direct report
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ask pi about WausauMidcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
46.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility