IOUs
- Consolidated Water Power Company: http://www.cwpco.com/
- Dahlberg Light & Power Company: https://dahlberglightandpower.com/
- Madison Gas & Electric: https://www.mge.com/
- North Central Power Company
- Northern States Power – Wisconsin (a subsidiary of Xcel Energy): https://www.xcelenergy.com/
- Northwestern Wisconsin Electric Company: http://www.nweco.com/
- Pioneer Power & Light Company: http://pioneer-westfield.com/
- Superior Water, Light & Power Company: https://www.swlp.com/
- Westfield Milling and Electric Light Company: http://pioneer-westfield.com/
- Wisconsin Electric Power Company (“We Energies” is the umbrella name for Wisconsin Electric Power and Wisconsin Gas. A brand of WEC Energy Group, Inc.): https://www.we-energies.com/
- Wisconsin Power & Light (a subsidiary of Alliant Energy):https://www.alliantenergy.com/
- Wisconsin Public Service Corporation (a brand of WEC Energy Group, Inc.): https://accel.wisconsinpublicservice.com/
Munis
- Algoma Utility Commission: https://www.algomautilities.com/
- Arcadia Electric & Water Utility: https://www.cityofarcadiawi.com/city_services/utilities_electric
- Argyle Municipal Electric & Water Utility: http://www.argylewi.org/village.html
- Bangor Municipal Utility: https://villageofbangor.com/?SEC=591BEFCF-3150-410B-AE32-5394321509F9
- Barron Light and Water Utility: https://cityofbarron.com/152/Light-Water
- Belmont Municipal Water & Electric Utility: https://www.belmontwi.com/utilities/
- Benton Municipal Electric & Water Utility: http://bentonwi.us/
- Black Earth Electric Utility: https://www.blackearthwisconsin.com/
- Black River Falls Municipal Electric & Water: https://www.brfmu.org/
- Bloomer City of Electric Utility: http://www.ci.bloomer.wi.us/utilities.html
- Boscobel Municipal Utilities: https://www.boscobelutilities.com/
- Brodhead Water & Light Commission: http://www.cityofbrodheadwi.us/
- Cadott Light & Water Municipal Utility: http://villageofcadott.com/
- Cashton Municipal Electric & Water Utility: https://www.cashton.com/village
- Cedarburg Light & Water Commission: http://www.cedarburglightandwater.org/
- Clintonville Water & Electric Utility: http://www.clintonvillewi.org/government/departments/clintonville_utilities
- Columbus Water & Light Department: https://www.columbuswaterandlight.com/
- Cornell Municipal Water & Electric Utility: http://www.cityofcornell.com/
- Cuba City Electric & Water Utility: https://www.cubacitylightandwater.org/
- Cumberland Municipal Utility: https://cumberlandutilities.com/
- Eagle River Light & Water Commission: https://eagleriver.govoffice2.com/?SEC=39170875-43DB-4CA7-B35B-E613F75401C2
- Elkhorn Light & Water: http://www.cityofelkhorn.org/
- Elroy Municipal Electric & Water Utility: https://www.elroywi.com/index.asp?SEC=B8A4C02B-06E8-43D6-AB27-143209EBE0B4&Type=B_BASIC
- Evansville City of Water & Light: http://www.ci.evansville.wi.gov/services_by_department/municipal_utility/
- Fennimore Water & Light Plant: https://www.fennimore.com/public-works/
- Florence Utility Commission: http://www.townofflorencewisconsin.com/City-Services.html#anchor_90
- Gresham Municipal Light & Power Utility: http://visit-gresham.com/?page_id=99
- Hartford City of Utilities: http://www.hartfordelectric.org/
- Hazel Green Municipal Utility: http://villageofhazelgreen.org/
- Hustisford Utilities: https://www.hustisford.com/index.asp?SEC=959B8474-E6D5-4FB6-A5EB-4DE8A2AEDD0C&Type=B_BASIC
- Jefferson Water & Electric Department: https://www.jeffersonutilities.com/
- Juneau Utility Commission: https://www.juneauutility.com/
- Kaukauna Utilities: https://www.kaukaunautilities.com/
- Kiel Electric Utility: http://cityofkiel.delta.multisiteadmin.com/utilities#/a/drawer/pages/9826
- La Farge Municipal Electric Utility: http://www.lafarge-wisconsin.com/
- Lake Mills Light & Water Department: https://www.lakemillslw.com/
- Lodi Municipal Light & Water Utility: https://www.lodiutilities.org/
- Manitowoc Public Utilities: https://www.mpu.org/
- Marshfield Utilities: https://www.marshfieldutilities.org/
- Mazomanie Electric Utility: http://www.villageofmazomaniewi.gov/links/utilities/
- Medford Electric Utility: https://www.citymedfordwi.com/departments/utilities/electric/index.php
- Menasha Electric & Water Utilities: https://www.menashautilities.com/
- Merrillan Municipal Electric & Water Utility: http://merrillan.net/electric/
- Mount Horeb Electric Utility: http://www.mounthorebwi.info/departments-services/mount-horeb-utilities
- Muscoda Light & Water Utility: https://muscoda.com/village-info/utility-information/
- New Glarus Light & Water Works: https://newglarusvillage.com/utilities/your-account-aa76e/resources
- New Holstein Public Utility: https://www.nhutilities.org/
- New Lisbon Municipal Electric & Water Department: http://www.newlisbon.net/utilities.htm
- New London Electric & Water Utility: http://www.newlondonutilities.org/
- New Richmond City Utilities: https://www.nrutilities.com/
- Oconomowoc City of Utilities: http://www.oconomowoc-wi.gov/146/Public-Utilities
- Oconto Falls Water & Light Commission: https://www.ofmu.org/
- Pardeeville Village of Electric Utility: http://www.villageofpardeeville.net/
- Plymouth Utilities: http://www.plymouthgov.com/plymouth-utilities/
- Prairie du Sac Municipal Electric & Water: https://www.prairiedusac.net/index.asp?Type=B_DIR&SEC={0EDB867C-5C9F-4D96-8331-2899636C875E}
- Princeton Municipal Water & Electric Utilities: https://www.cityofprincetonwi.com/index.asp?SEC=9B73E042-DFF4-4D2D-80DD-57DFA1A80185&Type=B_BASIC
- Reedsburg Utility Commission: http://reedsburgutility.com/
- Rice Lake Municipal Water & Electric Utilities: http://www.ricelakeutilities.com/
- Richland Center Electric Utility: https://www.cityutilitiesofrc.com/
- River Falls Municipal Utility: http://www.rfmu.org/581/Utilities
- Sauk City Municipal Water & Light Utility: https://www.saukcity.net/index.asp?Type=B_BASIC&SEC={989E7893-DE2E-4F34-BAA1-8D54104D03F9}
- Shawano Municipal Utilities: http://www.cityofshawano.com/242/Shawano-Municipal-Utilities-SMU
- Sheboygan Falls Utilities: https://www.cityofsheboyganfalls.com/community/utilities/
- Shullsburg Electric Utility: http://www.shullsburgwisconsin.org/
- Slinger Utilities: https://www.vi.slinger.wi.gov/index.asp?Type=B_BASIC&SEC={C0424FC8-9D38-4D75-9900-A12CDD01A215}
- Spooner Municipal Utilities: http://www.cityofspooner.org/utilities.html
- Stoughton Electric Utility: https://www.stoughtonutilities.com/
- Stratford Municipal Water & Electric Utility: https://www.stratfordwi.com/index.asp?SEC=7EC5808B-1BA1-4049-8825-06B2EDF2E43F&Type=B_BASIC
- Sturgeon Bay Utilities: https://www.sbunet.com/
- Sun Prairie Utilities: https://sunprairieutilities.com/
- Trempealeau Municipal Electric & Water Utility: https://www.trempealeauwi.com/departments/utilities/
- Two Rivers Water & Light Utility: https://trwaterandlight.com/
- Viola Municipal Water & Electric Utility: https://www.vi.viola.wi.gov/page/home
- Waterloo Water & Light Commission: https://www.waterlooutilities.com/
- Waunakee Water & Light Commission: https://www.waunakeeutilities.com/
- Waupun Public Utilities: https://www.waupunutilities.com/
- Westby City of Municipal Electric & Water Utility: http://www.cityofwestby.org/
- Whitehall Municipal Electric Utility: https://whitehallwi.com/
- Wisconsin Dells Municipal Electric Utility: https://www.citywd.org/index.asp?SEC=725C79B5-E2A5-417A-A4AC-76357C6E05A3&Type=B_BASIC
- Wisconsin Rapids Water Works & Lighting Commission: https://www.wrwwlc.com/
- Wonewoc Electric & Water Utility: https://wonewocwisc.com/
Co-ops
- Adams-Columbia Electric Co-operative: https://www.acecwi.com/
- Barron Electric Co-operative: http://www.barronelectric.com/
- Bayfield Electric Co-operative: http://www.bayfieldelectric.com/
- Central Wisconsin Electric Co-operative: http://www.cweco-op.com/
- Chippewa Valley Electric Co-operative: https://www.cveco-op.com/
- Clark Electric Co-operative: https://www.ceco-op.com/
- Dairyland Power Co-operative*: http://www.dairylandpower.com/
- Dunn Energy Co-operative: http://www.dunnenergy.com/
- East Central Energy: https://www.eastcentralenergy.com/
- Eau Claire Energy Co-operative: https://www.ecec.com/
- Jackson Electric Co-operative: http://www.jackelec.com/
- Jump River Electric Co-operative: http://www.jrec.net/
- Oakdale Electric Co-operative: http://www.oakdalerec.com/
- Oconto Electric Co-operative: https://ocontoelectric.com/
- Pierce Pepin Co-operative Services: https://www.piercepepin.co-op/
- Polk-Burnett Electric Co-operative: http://www.polkburnett.com/
- Price Electric Co-operative: http://www.price-electric.com/
- Richland Electric Co-operative: http://www.rec.co-op/
- Riverland Energy Co-operative: https://www.riverlandenergy.com/
- Rock Energy Co-operative: https://www.rock.co-op/
- Scenic Rivers Energy Co-operative: http://www.sre.co-op/content/about-scenic-rivers-energy-co-operative
- St. Croix Electric Co-operative: https://www.scecnet.net/
- Taylor Electric Co-operative: http://taylorelectric.org/
- Vernon Electric Co-operative: http://www.vernonelectric.org/
- Washington Island Electric Co-operative, Inc.: https://www.wieco-op.com/
*Note: While the above co-ops are electric distribution co-ops, Dairyland Power Co-operative is a generation and transmission co-operative that provides power to dozens of electric distribution co-ops and munis in Wisconsin and some neighboring states.
