Mich. Comp. Laws § 460.33

Sec. 3. Cooperative electric utilities, which are owned by the members they serve, are regulated by their members acting through democratically elected boards of directors. It is declared that member-regulation by a cooperative in the areas of rates, charges, accounting standards, billing practices, and terms and conditions of service may be more efficient and cost-effective. The purpose of this act is to allow the board of directors to elect member-regulation for rates, charges, accounting standards, billing practices, and terms and conditions of service.