Electric utilities in Wisconsin
Every electric utility serving Wisconsin in EIA data year 2025, with ownership type, grid operator, balancing authority, customers and the counties each one serves.
Retail utilities12013 investor-owned, 25 co-ops, 81 municipal
All entities123Including marketers and other filers
Counties covered72With at least one utility listed
Retail customers3,060,592Sum of utility customer counts
Retail electric utilities in Wisconsin
Sorted by customers. See Wisconsin on the map, and the state regulator, Public Service Commission of Wisconsin.
| Utility | EIA ID | Type | ISO or region | Balancing authority | Customers | Counties served |
|---|---|---|---|---|---|---|
| Wisconsin Electric Power CoWe Energies (WEC) | 20847 | Investor-owned | MISO | MISO | 1,130,434 | 28 Brown, Calumet, Columbia, Dane, Dodge, Florence, Fond du Lac, Forest, Grant, Jefferson, Kenosha, Manitowoc, Marinette, Milwaukee, Oconto, Outagamie, Ozaukee, Racine, Rock, Shawano, Sheboygan, Vilas, Walworth, Washington, Waukesha, Waupaca, Waushara, Winnebago |
| Wisconsin Power & Light CoAlliant Energy – Wisconsin Power & Light | 20856 | Investor-owned | MISO | MISO | 474,704 | 34 Adams, Columbia, Crawford, Dane, Dodge, Fond du Lac, Grant, Green, Green Lake, Iowa, Jackson, Jefferson, Juneau, Kenosha, Lafayette, Langlade, Manitowoc, Marathon, Marquette, Menominee, Monroe, Oconto, Portage, Richland, Rock, Sauk, Shawano, Sheboygan, Vernon, Walworth, Waupaca, Waushara, Winnebago, Wood |
| Wisconsin Public Service CorpWisconsin Public Service (WEC) | 20860 | Investor-owned | MISO | MISO | 444,647 | 22 Brown, Calumet, Door, Florence, Fond du Lac, Forest, Iron, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Oconto, Oneida, Outagamie, Portage, Shawano, Vilas, Waupaca, Waushara, Winnebago |
| Northern States Power CoXcel Energy – NSP-Wisconsin | 13780 | Investor-owned | MISO | MISO | 250,408 | 28 Ashland, Barron, Bayfield, Buffalo, Chippewa, Clark, Crawford, Dunn, Eau Claire, Iron, Jackson, La Crosse, Lincoln, Marathon, Monroe, Oneida, Pepin, Pierce, Polk, Price, Rusk, St. Croix, Sawyer, Taylor, Trempealeau, Vernon, Vilas, Washburn |
| Madison Gas & Electric CoMadison Gas & Electric | 11479 | Investor-owned | MISO | MISO | 154,488 | 1 Dane |
| Adams-Columbia Electric Coop | 108 | Cooperative | MISO | MISO | 37,350 | 12 Adams, Columbia, Dane, Dodge, Green Lake, Jefferson, Marquette, Portage, Sauk, Waupaca, Waushara, Wood |
| Polk-Burnett Electric Coop | 15344 | Cooperative | MISO | MISO | 20,561 | 6 Barron, Burnett, Dunn, Polk, St. Croix, Washburn |
| Barron Electric Coop | 1251 | Cooperative | MISO | MISO | 18,615 | 8 Barron, Burnett, Chippewa, Dunn, Polk, Rusk, Sawyer, Washburn |
| Manitowoc Public Utilities | 11571 | Municipal | MISO | MISO | 18,062 | 1 Manitowoc |
| Riverland Energy Cooperative | 16060 | Cooperative | MISO | MISO | 18,031 | 6 Buffalo, Eau Claire, Jackson, La Crosse, Pepin, Trempealeau |
| Oakdale Electric Coop | 13936 | Cooperative | MISO | MISO | 16,970 | 5 Jackson, Juneau, Monroe, Sauk, Wood |
| Sun Prairie Utilities | 18312 | Municipal | MISO | MISO | 15,952 | 1 Dane |
| City of Kaukauna | 10056 | Municipal | MISO | MISO | 15,348 | 1 Outagamie |
| Superior Water and Light Co | 18336 | Investor-owned | MISO | MISO | 14,847 | 1 Douglas |
| Wisconsin Rapids W W & L Comm | 20862 | Municipal | MISO | MISO | 14,753 | 2 Portage, Wood |
| Scenic Rivers Energy Coop | 16740 | Cooperative | MISO | MISO | 14,114 | 7 Crawford, Grant, Green, Iowa, Lafayette, Richland, Vernon |
| City of Marshfield - (WI) | 11740 | Municipal | MISO | MISO | 13,485 | 3 Clark, Marathon, Wood |
| Northwestern Wisconsin Elec Co | 13815 | Investor-owned | MISO | MISO | 12,360 | 2 Burnett, Polk |
| Dahlberg Light & Power Co | 4715 | Investor-owned | MISO | MISO | 11,675 | 3 Bayfield, Douglas, Washburn |
| Vernon Electric Coop | 19813 | Cooperative | MISO | MISO | 11,199 | 7 Crawford, Juneau, La Crosse, Monroe, Richland, Sauk, Vernon |
| Eau Claire Electric Coop | 5632 | Cooperative | MISO | MISO | 11,165 | 8 Buffalo, Chippewa, Clark, Dunn, Eau Claire, Jackson, Pepin, Trempealeau |
| St Croix Electric Coop | 17868 | Cooperative | MISO | MISO | 10,763 | 4 Dunn, Pierce, Polk, St. Croix |
| Dunn County Electric Coop | 5417 | Cooperative | MISO | MISO | 9,972 | 6 Barron, Chippewa, Dunn, Pepin, Pierce, St. Croix |
| Oconto Electric Cooperative | 13964 | Cooperative | MISO | MISO | 9,878 | 4 Marinette, Menominee, Oconto, Shawano |
| Oconomowoc Utilities | 13963 | Municipal | MISO | MISO | 9,812 | 1 Waukesha |
| Jump River Electric Coop Inc | 9922 | Cooperative | MISO | MISO | 9,511 | 6 Barron, Chippewa, Price, Rusk, Sawyer, Taylor |
| Price Electric Coop Inc | 15356 | Cooperative | MISO | MISO | 9,222 | 9 Ashland, Iron, Lincoln, Oneida, Price, Rusk, Sawyer, Taylor, Vilas |
| Clark Electric Coop - (WI) | 3701 | Cooperative | MISO | MISO | 9,203 | 6 Chippewa, Clark, Jackson, Marathon, Taylor, Wood |
| Bayfield Electric Coop, Inc | 1367 | Cooperative | MISO | MISO | 8,984 | 6 Ashland, Bayfield, Douglas, Iron, Sawyer, Vilas |
| City of Menasha - (WI) | 12298 | Municipal | MISO | MISO | 8,979 | 2 Calumet, Winnebago |
| City of Sturgeon Bay - (WI) | 18249 | Municipal | MISO | MISO | 8,813 | 1 Door |
| City of Stoughton - (WI) | 18181 | Municipal | MISO | MISO | 8,778 | 2 Dane, Rock |
| City of Plymouth - (WI) | 15159 | Municipal | MISO | MISO | 8,268 | 2 Fond du Lac, Sheboygan |
| Central Wisconsin Elec Coop | 3293 | Cooperative | MISO | MISO | 7,962 | 4 Marathon, Portage, Shawano, Waupaca |
| Jackson Electric Coop, Inc - (WI) | 8574 | Cooperative | MISO | MISO | 7,740 | 6 Clark, Eau Claire, Jackson, La Crosse, Monroe, Trempealeau |
| Pierce-Pepin Coop Services | 15034 | Cooperative | MISO | MISO | 7,594 | 4 Buffalo, Pepin, Pierce, St. Croix |
| Chippewa Valley Electric Coop | 3498 | Cooperative | MISO | MISO | 7,533 | 5 Barron, Chippewa, Dunn, Rusk, Taylor |
| Hartford Electric | 8212 | Municipal | MISO | MISO | 7,495 | 2 Dodge, Washington |
| Rock Energy Cooperative | 16196 | Cooperative | MISO | MISO | 7,409 | 4 Dane, Green, Rock, Walworth |
| City of River Falls | 16082 | Municipal | MISO | MISO | 6,505 | 2 Pierce, St. Croix |
| Cedarburg Light & Water Comm | 3208 | Municipal | MISO | MISO | 6,296 | 1 Ozaukee |
| Two Rivers Water & Light | 19324 | Municipal | MISO | MISO | 6,284 | 1 Manitowoc |
| Village of Waunakee - (WI) | 20211 | Municipal | MISO | MISO | 6,231 | 1 Dane |
| Rice Lake Utilities | 15938 | Municipal | MISO | MISO | 5,895 | 1 Barron |
| Shawano Municipal Utilities | 17011 | Municipal | MISO | MISO | 5,706 | 1 Shawano |
| East Central Energy | 5574 | Cooperative | MISO | MISO | 5,200 | 3 Burnett, Douglas, Washburn |
| North Central Power Co Inc | 13697 | Investor-owned | MISO | MISO | 5,115 | 5 Ashland, Barron, Rusk, Sawyer, Washburn |
| Reedsburg Utility Comm | 15804 | Municipal | MISO | MISO | 5,086 | 1 Sauk |
| City of Elkhorn - (WI) | 5777 | Municipal | MISO | MISO | 4,936 | 1 Walworth |
| City of Sheboygan Falls - (WI) | 17028 | Municipal | MISO | MISO | 4,839 | 1 Sheboygan |
| City of New Richmond | 13481 | Municipal | MISO | MISO | 4,711 | 1 St. Croix |
| Taylor Electric Coop - (WI) | 18383 | Cooperative | MISO | MISO | 4,395 | 4 Clark, Lincoln, Marathon, Taylor |
| Waupun Utilities | 20213 | Municipal | MISO | MISO | 4,377 | 2 Dodge, Fond du Lac |
| Lake Mills Light & Water | 10605 | Municipal | MISO | MISO | 4,191 | 1 Jefferson |
| City of Evansville | 6043 | Municipal | MISO | MISO | 4,077 | 2 Green, Rock |
| New London Electric&Water Util | 13467 | Municipal | MISO | MISO | 3,959 | 2 Outagamie, Waupaca |
| Village of Mt. Horeb - (WI) | 13036 | Municipal | MISO | MISO | 3,904 | 1 Dane |
| Richland Electric Coop | 15983 | Cooperative | MISO | MISO | 3,781 | 4 Crawford, Richland, Sauk, Vernon |
| Jefferson Utilities | 9690 | Municipal | MISO | MISO | 3,765 | 1 Jefferson |
| City of Medford - (WI) | 12265 | Municipal | MISO | MISO | 3,247 | 1 Taylor |
| City of Richland Center - (WI) | 15978 | Municipal | MISO | MISO | 2,900 | 1 Richland |
| City of Columbus - (WI) | 4073 | Municipal | MISO | MISO | 2,867 | 2 Columbia, Dodge |
| City of Clintonville - (WI) | 3814 | Municipal | MISO | MISO | 2,782 | 1 Waupaca |
| City of Kiel - (WI) | 10243 | Municipal | MISO | MISO | 2,756 | 1 Manitowoc |
| City of Black River Falls | 1776 | Municipal | MISO | MISO | 2,739 | 1 Jackson |
| City of New Holstein - (WI) | 13448 | Municipal | MISO | MISO | 2,474 | 1 Calumet |
| Slinger Utilities | 17324 | Municipal | MISO | MISO | 2,422 | 1 Washington |
| Pioneer Power and Light Co | 15086 | Investor-owned | MISO | MISO | 2,381 | 3 Adams, Marquette, Waushara |
| Village of Prairie Du Sac - (WI) | 15312 | Municipal | MISO | MISO | 2,161 | 1 Sauk |
| Wisconsin Dells Electric Util | 20844 | Municipal | MISO | MISO | 2,103 | 3 Adams, Columbia, Sauk |
| Bloomer Electric & Water Co | 1866 | Municipal | MISO | MISO | 2,093 | 1 Chippewa |
| Algoma Utility Comm | 307 | Municipal | MISO | MISO | 2,022 | 1 Kewaunee |
| Village of Sauk City - (WI) | 16680 | Municipal | MISO | MISO | 1,902 | 1 Sauk |
| City of Spooner - (WI) | 17811 | Municipal | MISO | MISO | 1,890 | 1 Washburn |
| Brodhead Water & Lighting Comm | 2273 | Municipal | MISO | MISO | 1,837 | 1 Green |
| City of Barron - (WI) | 1278 | Municipal | MISO | MISO | 1,834 | 1 Barron |
| Waterloo Light & Water Comm | 20182 | Municipal | MISO | MISO | 1,827 | 1 Jefferson |
| City of Boscobel - (WI) | 1997 | Municipal | MISO | MISO | 1,777 | 1 Grant |
| Village of Bangor - (WI) | 1181 | Municipal | MISO | MISO | 1,761 | 2 La Crosse, Monroe |
| City of Lodi - (WI) | 11125 | Municipal | MISO | MISO | 1,751 | 1 Columbia |
| Oconto Falls Water & Light Comm | 13965 | Municipal | MISO | MISO | 1,633 | 1 Oconto |
| City of Arcadia - (WI) | 765 | Municipal | MISO | MISO | 1,608 | 1 Trempealeau |
| Hustisford Utilities | 9124 | Municipal | MISO | MISO | 1,569 | 1 Dodge |
| City of Eagle River - (WI) | 5551 | Municipal | MISO | MISO | 1,539 | 1 Vilas |
| Florence Utility Comm | 6424 | Municipal | MISO | MISO | 1,516 | 1 Florence |
| City of Cumberland - (WI) | 4627 | Municipal | MISO | MISO | 1,414 | 1 Barron |
| Village of Pardeeville - (WI) | 14451 | Municipal | MISO | MISO | 1,408 | 1 Columbia |
| City of Fennimore - (WI) | 6274 | Municipal | MISO | MISO | 1,401 | 1 Grant |
| Village of Trempealeau - (WI) | 19114 | Municipal | MISO | MISO | 1,369 | 1 Trempealeau |
| Village of Black Earth - (WI) | 1765 | Municipal | MISO | MISO | 1,368 | 2 Dane, Iowa |
| Village of New Glarus - (WI) | 13438 | Municipal | MISO | MISO | 1,366 | 1 Green |
| City of Westby | 20434 | Municipal | MISO | MISO | 1,232 | 1 Vernon |
| Village of Gresham - (WI) | 7665 | Municipal | MISO | MISO | 1,188 | 1 Shawano |
| Juneau Utility Comm | 9936 | Municipal | MISO | MISO | 1,142 | 1 Dodge |
| Village of Muscoda - (WI) | 13145 | Municipal | MISO | MISO | 1,095 | 3 Grant, Iowa, Richland |
| City of Cuba City | 4607 | Municipal | MISO | MISO | 1,091 | 2 Grant, Lafayette |
| Washington Island El Coop, Inc | 20153 | Cooperative | MISO | MISO | 1,079 | 1 Door |
| Whitehall Electric Utility | 20583 | Municipal | MISO | MISO | 969 | 1 Trempealeau |
| City of Princeton - (WI) | 15385 | Municipal | MISO | MISO | 955 | 1 Green Lake |
| Village of Mazomanie - (WI) | 11895 | Municipal | MISO | MISO | 947 | 1 Dane |
| City of Cornell | 4369 | Municipal | MISO | MISO | 887 | 1 Chippewa |
| Village of Stratford - (WI) | 18200 | Municipal | MISO | MISO | 874 | 1 Marathon |
| City of New Lisbon | 13466 | Municipal | MISO | MISO | 860 | 1 Juneau |
| Westfield Electric Company | 40036 | Investor-owned | MISO | MISO | 826 | 1 Marquette |
| Village of Cadott - (WI) | 2759 | Municipal | MISO | MISO | 825 | 1 Chippewa |
| City of Elroy - (WI) | 5834 | Municipal | MISO | MISO | 815 | 1 Juneau |
| City of Shullsburg - (WI) | 17130 | Municipal | MISO | MISO | 747 | 1 Lafayette |
| Village of Belmont - (WI) | 1522 | Municipal | MISO | MISO | 674 | 1 Lafayette |
| La Farge Municipal Electric Co | 10525 | Municipal | MISO | MISO | 670 | 1 Vernon |
| Village of Hazel Green - (WI) | 8336 | Municipal | MISO | MISO | 655 | 2 Grant, Lafayette |
| Village of Cashton - (WI) | 3156 | Municipal | MISO | MISO | 608 | 1 Monroe |
| Village of Benton - (WI) | 1585 | Municipal | MISO | MISO | 540 | 1 Lafayette |
| City of Argyle - (WI) | 792 | Municipal | MISO | MISO | 497 | 1 Lafayette |
| Wonewoc Electric & Water Util | 20924 | Municipal | MISO | MISO | 441 | 1 Juneau |
| Village of Merrillan - (WI) | 12336 | Municipal | MISO | MISO | 421 | 1 Jackson |
| Village of Viola - (WI) | 19867 | Municipal | MISO | MISO | 394 | 2 Richland, Vernon |
| Consolidated Water Power Co | 4247 | Investor-owned | MISO | MISO | 106 | 2 Portage, Wood |
| Dairyland Power Coop | 4716 | Cooperative | MISO | — | — | 0 — |
| WPPI Energy | 20858 | Joint action / municipal marketing | MISO | — | — | 0 — |
| Wisconsin River Power CompanyNew since 2018 | 20863 | Investor-owned | MISO | — | — | 0 — |
Which utilities serve each county in Wisconsin
Retail power marketers and other entities in Wisconsin
Competitive suppliers, wholesale marketers, transmission-only companies and behind-the-meter providers that report to EIA for Wisconsin. They have no county service territory of their own.
| Entity | EIA ID | Type | ISO or region | Customers |
|---|---|---|---|---|
| Greenskies Renewable Energy, LLC | 61823 | Behind-the-meter provider | MISO | 1 |
| American Transmission Co | 659 | Transmission-only | MISO | — |
| Badger Power Marketing Authority | 1572 | Wholesale marketer | MISO | — |
About this data
Which utilities exist comes from the U.S. Energy Information Administration’s Form EIA-861 and EIA-861S, data year 2025 (final release, October 7, 2026), read directly from eia.gov. County service territories, balancing authority codes and customer counts come from EIA-861 for 2018, the latest year compiled at county level for this directory; utilities that started reporting after 2018 carry their 2025 values. County boundaries are U.S. Census cartographic boundaries (us-atlas 3.0, Albers USA projection).
Customer counts are per utility within Wisconsin. A county’s grid operator is the one serving most of its customers, estimated by spreading each utility’s customers evenly over its counties. Download every state in one file from the U.S. Electric Utility Directory.
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