Electric companies in Wisconsin
121 electric utilities serve Wisconsin, according to US EIA-861 service-territory filings and live outage feeds. The largest by customers is Wisconsin Electric Power Co, with about 1,179,161 customers in Wisconsin (US EIA-861, 2025).
Territory is filed by county, so a county can list several utilities; usually only one serves a given address, and your electric bill names it.
Find yours by ZIP code
Every electric utility in Wisconsin
Largest first, by customers on its lines in Wisconsin (US EIA-861, 2025). “Live” is whether MassOutage can see its outages.
Electric utilities by county
Each county's utilities, largest in the state first. The county name opens its live outage page.
- Adams County
- Wisconsin Power & Light Co, Adams-Columbia Electric Coop, Wisconsin Dells Electric Util, Pioneer Power and Light Co, Alliant Energy (Interstate Power & Light)
- Ashland County
- Northern States Power Co, Price Electric Coop Inc, Bayfield Electric Coop, Inc, North Central Power Co Inc
- Barron County
- Northern States Power Co, Polk-Burnett Electric Coop, Barron Electric Coop, Dunn County Electric Coop, Jump River Electric Coop Inc, Chippewa Valley Electric Coop, Rice Lake Utilities, North Central Power Co Inc, City of Barron - (WI), City of Cumberland - (WI)
- Buffalo County
- Northern States Power Co, Riverland Energy Cooperative, Eau Claire Electric Coop, Pierce-Pepin Coop Services
- Burnett County
- Polk-Burnett Electric Coop, Barron Electric Coop, Northwestern Wisconsin Elec Co, East Central Energy
- Calumet County
- Wisconsin Electric Power Co, Wisconsin Power & Light Co, Wisconsin Public Service Corp, City of Menasha - (WI), City of New Holstein - (WI)
- Chippewa County
- Northern States Power Co, Barron Electric Coop, Eau Claire Electric Coop, Dunn County Electric Coop, Jump River Electric Coop Inc, Clark Electric Coop - (WI), Chippewa Valley Electric Coop, Bloomer Electric & Water Co, City of Cornell, Village of Cadott - (WI)
- Clark County
- Northern States Power Co, City of Marshfield - (WI), Eau Claire Electric Coop, Clark Electric Coop - (WI), Jackson Electric Coop, Inc - (WI), Taylor Electric Coop - (WI)
- Columbia County
- Wisconsin Electric Power Co, Wisconsin Power & Light Co, Adams-Columbia Electric Coop, City of Columbus - (WI), Wisconsin Dells Electric Util, City of Lodi - (WI), Village of Pardeeville - (WI), Alliant Energy (Interstate Power & Light)
- Crawford County
- Wisconsin Power & Light Co, Northern States Power Co, Scenic Rivers Energy Coop, Vernon Electric Coop, Richland Electric Coop, Alliant Energy (Interstate Power & Light)
- Dane County
- Wisconsin Electric Power Co, Wisconsin Power & Light Co, Madison Gas & Electric Co, Adams-Columbia Electric Coop, Sun Prairie Utilities, City of Stoughton - (WI), Rock Energy Cooperative, Village of Waunakee - (WI), Village of Mt. Horeb - (WI), Village of Black Earth - (WI), Village of Mazomanie - (WI), Alliant Energy (Interstate Power & Light)
- Dodge County
- Wisconsin Electric Power Co, Wisconsin Power & Light Co, Adams-Columbia Electric Coop, Hartford Electric, Waupun Utilities, City of Columbus - (WI), Hustisford Utilities, Juneau Utility Comm, Alliant Energy (Interstate Power & Light)
- Door County
- Wisconsin Public Service Corp, City of Sturgeon Bay - (WI), Washington Island El Coop, Inc
- Douglas County
- Superior Water and Light Co, Dahlberg Light & Power Co, Bayfield Electric Coop, Inc, East Central Energy, ALLETE, Inc.
- Dunn County
- Northern States Power Co, Polk-Burnett Electric Coop, Barron Electric Coop, Eau Claire Electric Coop, St Croix Electric Coop, Dunn County Electric Coop, Chippewa Valley Electric Coop
- Eau Claire County
- Northern States Power Co, Riverland Energy Cooperative, Eau Claire Electric Coop, Jackson Electric Coop, Inc - (WI)
- Fond du Lac County
- Wisconsin Electric Power Co, Wisconsin Power & Light Co, Wisconsin Public Service Corp, City of Plymouth - (WI), Waupun Utilities, Alliant Energy (Interstate Power & Light)
- Grant County
- Wisconsin Electric Power Co, Wisconsin Power & Light Co, Scenic Rivers Energy Coop, City of Boscobel - (WI), City of Fennimore - (WI), Village of Muscoda - (WI), City of Cuba City, Village of Hazel Green - (WI), Alliant Energy (Interstate Power & Light)
- Green County
- Wisconsin Power & Light Co, Scenic Rivers Energy Coop, Rock Energy Cooperative, City of Evansville, Brodhead Water & Lighting Comm, Village of New Glarus - (WI), Alliant Energy (Interstate Power & Light)
- Green Lake County
- Wisconsin Power & Light Co, Adams-Columbia Electric Coop, City of Princeton - (WI), Alliant Energy (Interstate Power & Light)
- Iowa County
- Wisconsin Power & Light Co, Scenic Rivers Energy Coop, Village of Black Earth - (WI), Village of Muscoda - (WI), Alliant Energy (Interstate Power & Light)
- Iron County
- Wisconsin Electric Power Co, Wisconsin Public Service Corp, Northern States Power Co, Price Electric Coop Inc, Bayfield Electric Coop, Inc
- Jackson County
- Wisconsin Power & Light Co, Northern States Power Co, Riverland Energy Cooperative, Oakdale Electric Coop, Eau Claire Electric Coop, Clark Electric Coop - (WI), Jackson Electric Coop, Inc - (WI), City of Black River Falls, Village of Merrillan - (WI)
- Jefferson County
- Wisconsin Electric Power Co, Wisconsin Power & Light Co, Adams-Columbia Electric Coop, Lake Mills Light & Water, Jefferson Utilities, Waterloo Light & Water Comm
- Juneau County
- Wisconsin Power & Light Co, Oakdale Electric Coop, Vernon Electric Coop, City of New Lisbon (WI), City of Elroy - (WI), Wonewoc Electric & Water Util, Alliant Energy (Interstate Power & Light)
- La Crosse County
- Northern States Power Co, Riverland Energy Cooperative, Vernon Electric Coop, Jackson Electric Coop, Inc - (WI), Village of Bangor - (WI), Northern States Power Co - Minnesota
- Lafayette County
- Wisconsin Power & Light Co, Scenic Rivers Energy Coop, City of Cuba City, City of Shullsburg - (WI), Village of Hazel Green - (WI), Village of Benton - (WI), Village of Belmont - (WI), City of Argyle - (WI), Alliant Energy (Interstate Power & Light)
- Langlade County
- Wisconsin Power & Light Co, Wisconsin Public Service Corp, Alliant Energy (Interstate Power & Light)
- Lincoln County
- Wisconsin Public Service Corp, Northern States Power Co, Price Electric Coop Inc, Taylor Electric Coop - (WI)
- Manitowoc County
- Wisconsin Electric Power Co, Wisconsin Power & Light Co, Wisconsin Public Service Corp, Manitowoc Public Utilities, Two Rivers Water & Light, City of Kiel - (WI)
- Marathon County
- Wisconsin Power & Light Co, Wisconsin Public Service Corp, Northern States Power Co, City of Marshfield - (WI), Clark Electric Coop - (WI), Central Wisconsin Elec Coop, Taylor Electric Coop - (WI), Village of Stratford - (WI), Alliant Energy (Interstate Power & Light)
- Marinette County
- Wisconsin Electric Power Co, Wisconsin Public Service Corp, Oconto Electric Cooperative
- Marquette County
- Wisconsin Electric Power Co, Wisconsin Power & Light Co, Adams-Columbia Electric Coop, Pioneer Power and Light Co, Westfield Electric Company, Alliant Energy (Interstate Power & Light)
- Menominee County
- Wisconsin Power & Light Co, Wisconsin Public Service Corp, Oconto Electric Cooperative, Alliant Energy (Interstate Power & Light)
- Monroe County
- Wisconsin Power & Light Co, Northern States Power Co, Oakdale Electric Coop, Vernon Electric Coop, Jackson Electric Coop, Inc - (WI), Village of Bangor - (WI), Village of Cashton - (WI), Alliant Energy (Interstate Power & Light)
- Oconto County
- Wisconsin Electric Power Co, Wisconsin Power & Light Co, Wisconsin Public Service Corp, Oconto Electric Cooperative, Oconto Falls Water & Light Comm
- Outagamie County
- Wisconsin Electric Power Co, Wisconsin Public Service Corp, City of Kaukauna (WI), New London Electric&Water Util
- Pepin County
- Northern States Power Co, Riverland Energy Cooperative, Eau Claire Electric Coop, Dunn County Electric Coop, Pierce-Pepin Coop Services
- Pierce County
- Northern States Power Co, St Croix Electric Coop, Dunn County Electric Coop, Pierce-Pepin Coop Services, City of River Falls
- Polk County
- Northern States Power Co, Polk-Burnett Electric Coop, Barron Electric Coop, Northwestern Wisconsin Elec Co, St Croix Electric Coop
- Portage County
- Wisconsin Power & Light Co, Wisconsin Public Service Corp, Adams-Columbia Electric Coop, Wisconsin Rapids W W & L Comm, Central Wisconsin Elec Coop, Consolidated Water Power Co, Alliant Energy (Interstate Power & Light)
- Richland County
- Wisconsin Power & Light Co, Scenic Rivers Energy Coop, Vernon Electric Coop, Richland Electric Coop, City of Richland Center - (WI), Village of Muscoda - (WI), Village of Viola - (WI)
- Rock County
- Wisconsin Electric Power Co, Wisconsin Power & Light Co, City of Stoughton - (WI), Rock Energy Cooperative, City of Evansville, Brodhead Water & Lighting Comm, Alliant Energy (Interstate Power & Light)
- Rusk County
- Northern States Power Co, Barron Electric Coop, Jump River Electric Coop Inc, Price Electric Coop Inc, Chippewa Valley Electric Coop, North Central Power Co Inc
- Sauk County
- Wisconsin Power & Light Co, Adams-Columbia Electric Coop, Oakdale Electric Coop, Vernon Electric Coop, Reedsburg Utility Comm, Richland Electric Coop, Wisconsin Dells Electric Util, Village of Prairie Du Sac - (WI), Village of Sauk City - (WI), Alliant Energy (Interstate Power & Light)
- Sawyer County
- Northern States Power Co, Barron Electric Coop, Jump River Electric Coop Inc, Price Electric Coop Inc, Bayfield Electric Coop, Inc, North Central Power Co Inc
- Shawano County
- Wisconsin Electric Power Co, Wisconsin Power & Light Co, Wisconsin Public Service Corp, Oconto Electric Cooperative, Central Wisconsin Elec Coop, Shawano Municipal Utilities, Village of Gresham - (WI), Alliant Energy (Interstate Power & Light), Badger Power Marketing Authority
- Sheboygan County
- Wisconsin Electric Power Co, Wisconsin Power & Light Co, City of Plymouth - (WI), City of Sheboygan Falls - (WI), Alliant Energy (Interstate Power & Light)
- St. Croix County
- Northern States Power Co, Polk-Burnett Electric Coop, St Croix Electric Coop, Dunn County Electric Coop, Pierce-Pepin Coop Services, City of River Falls, City of New Richmond
- Taylor County
- Northern States Power Co, Jump River Electric Coop Inc, Clark Electric Coop - (WI), Price Electric Coop Inc, Chippewa Valley Electric Coop, Taylor Electric Coop - (WI), City of Medford - (WI)
- Trempealeau County
- Northern States Power Co, Riverland Energy Cooperative, Eau Claire Electric Coop, Jackson Electric Coop, Inc - (WI), City of Arcadia - (WI), Village of Trempealeau - (WI), Whitehall Electric Utility
- Vernon County
- Wisconsin Power & Light Co, Northern States Power Co, Scenic Rivers Energy Coop, Vernon Electric Coop, Richland Electric Coop, City of Westby, La Farge Municipal Electric Co - (WI), Village of Viola - (WI)
- Vilas County
- Wisconsin Electric Power Co, Wisconsin Public Service Corp, Northern States Power Co, Price Electric Coop Inc, Bayfield Electric Coop, Inc, City of Eagle River - (WI)
- Walworth County
- Wisconsin Electric Power Co, Wisconsin Power & Light Co, Rock Energy Cooperative, City of Elkhorn - (WI), Alliant Energy (Interstate Power & Light)
- Washburn County
- Northern States Power Co, Polk-Burnett Electric Coop, Barron Electric Coop, Dahlberg Light & Power Co, North Central Power Co Inc, East Central Energy, City of Spooner - (WI)
- Waupaca County
- Wisconsin Electric Power Co, Wisconsin Power & Light Co, Wisconsin Public Service Corp, Adams-Columbia Electric Coop, Central Wisconsin Elec Coop, New London Electric&Water Util, City of Clintonville - (WI), Alliant Energy (Interstate Power & Light)
- Waushara County
- Wisconsin Electric Power Co, Wisconsin Power & Light Co, Wisconsin Public Service Corp, Adams-Columbia Electric Coop, Pioneer Power and Light Co, Alliant Energy (Interstate Power & Light)
Electric companies in Wisconsin: FAQ
- How many electric companies serve Wisconsin?
- 121 electric utilities serve Wisconsin, according to US EIA-861 service-territory filings and live outage feeds.
- What is the largest electric company in Wisconsin?
- Wisconsin Electric Power Co, with about 1,179,161 customers in Wisconsin (US EIA-861, 2025).
- Which electric company serves my address in Wisconsin?
- Your electric bill names it. Service territory is filed by county, so MassOutage lists the utilities serving each Wisconsin county; usually only one of them serves a given address, and a utility can tell you whether it serves yours.
- Who do I call to report a power outage in Wisconsin?
- Your electric utility. MassOutage has an outage phone line, report page or outage map on file for 0 of the 121 utilities serving Wisconsin, listed above; for the others, check your bill or the utility's website. For a downed power line, stay at least 35 feet away and call 911.
Live power outages in Wisconsin →
Data from EIA Form 861 (utility reliability), every source we read. Service territory and customer counts are each utility's own EIA-861 filing; a utility a live outage feed has reported in a county is listed there too.