Mich. Comp. Laws § 486.253

Sec. 3. (1) A corporation formed under this act shall sell to the public the electric energy it generates or transmits and the gas it manufactures, produces, stores, or transmits, upon such reasonable terms, rates, and conditions as determined by the Michigan public service commission. The Michigan public service commission may examine all books and records of the corporation and audit the corporation. Any order of the commission may be reviewed, set aside, modified, or affirmed in the manner provided by law. (2) If 1929 PA 9, MCL 483.101 to 483.120, 1929 PA 69, MCL 460.501 to 460.506, or the electric transmission line certification act, 1995 PA 30, MCL 460.561 to 460.575, requires a certificate of necessity to be obtained from the Michigan public service commission, then the corporation shall, before commencing any condemnation proceedings, first make application to, and obtain from the commission a certificate as required under those acts.