MWPowerPlantFacts
PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/4056
EIA plant 4056

Prairie du Sac · Sauk · WI

Prairie Du Sac

Operated by Wisconsin Power & Light Co

Annual generation143,782 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 Prairie Du Sac?

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

43.309932, -89.727778

Open the interactive map ↗

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
17,918 MWh
212,536 MWh
37,342 MWh
415,316 MWh
515,897 MWh
614,593 MWh
714,252 MWh
815,072 MWh
98,766 MWh
106,585 MWh
1114,553 MWh
1210,952 MWh

Operating generators

IDTechnologyFuelMWStatus
3Conventional HydroelectricWAT4.8OP
4Conventional HydroelectricWAT4.8OP
2Conventional HydroelectricWAT4.3OP
5Conventional HydroelectricWAT4OP
6Conventional HydroelectricWAT4OP
7Conventional HydroelectricWAT4OP
8Conventional HydroelectricWAT4OP
1Conventional HydroelectricWAT3.5OP

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Identity, technology and limitations
EIA plant ID
4056
Sector
Electric Utility
Water source
Wisconsin River
Data edition
2024-final