The company supplies and distributes electric power and natural gas in its franchised service territory in northeastern Wisconsin and an adjacent portion of the upper peninsula of Michigan.
It also provides wholesale electric service to various customers, including municipal utilities, electric cooperatives, energy marketers, other investor owned utilities, and a municipal joint action agency.
The company also offers nonregulated natural gas, electric, and alternate fuel supplies, as well as energy management and consulting services, to retail and wholesale customers primarily in the northeastern quadrant of the United States and adjacent portions of Canada.
WPS Resources was incorporated in 1993 and is based in Green Bay, Wisconsin.

