Minn. Stat. § 216B.37: ASSIGNED SERVICE AREA; ELECTRIC UTILITY; LEGISLATIVE POLICY.

It is hereby declared to be in the public interest that, in order to encourage the development of coordinated statewide electric service at retail, to eliminate or avoid unnecessary duplication of electric utility facilities, and to promote economical, efficient, and adequate electric service to the public, the state of Minnesota shall be divided into geographic service areas within which a specified electric utility shall provide electric service to customers on an exclusive basis.