Mich. Comp. Laws § 460.808

Sec. 8. The governing body of a municipal electric utility system may purchase, acquire, construct, improve, enlarge, extend, or repair in the name of the municipality fuel sources and reserves it deems necessary to the continued efficient operation of the municipal electric utility system, together with the necessary facilities for transportation and storage. The fuel sources and reserves may include, but not be limited to, advance payments on contracts for nuclear fuels, and contracts for heat from facilities belonging to others. Facilities for transportation and storage of fuels shall include, but not be limited to, pipelines, conveyor systems, railroad cars, ships, storage tanks, underground storage areas, and other necessary and related appurtenances.