MWPowerPlantFacts
PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/4077
EIA plant 4077

Wausau · Marathon · WI

Wausau

Operated by Wisconsin Public Service Corp

Annual generation18,565 MWhSum of represented EIA-923 rows
Fuel codesWATCodes retained from EIA records
Grid contextMidcontinent Independent Transmission System Operator, Inc..Balancing authority or NERC region

Published location

Where is Wausau?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

44.957500, -89.636700

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Map data © OpenStreetMap contributors

Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.

2024 monthly net generation

MonthNet generation
11,754 MWh
21,354 MWh
31,653 MWh
42,620 MWh
51,563 MWh
61,448 MWh
71,561 MWh
81,499 MWh
91,055 MWh
10901 MWh
111,380 MWh
121,777 MWh

Operating generators

IDTechnologyFuelMWStatus
1Conventional HydroelectricWAT1.8OP
2Conventional HydroelectricWAT1.8OP
3Conventional HydroelectricWAT1.8OP

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Identity, technology and limitations
EIA plant ID
4077
Sector
Electric Utility
Water source
Wisconsin River
Data edition
2024-final