RAPID/BulkTransmission/Michigan/Transmission

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Michigan Bulk Transmission Siting & Regulation(8-MI)

In Michigan, a developer should consult local zoning regulations during the transmission siting process. A developer may also need Certificate of Public Convenience and Necessity from the Michigan Public Service Commission for major transmission line projects.

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Determine Which State and Federal Permits Apply

Use this overview flowchart and following steps to learn which federal and state permits apply to your projects.


Permitting at a Glance

Michigan Federal

Transmission Siting: Michigan does not have a state comprehensive siting process for transmission project development.
Preemptive Authority: The Michigan Public Service Commission has preemptive authority over the construction of transmission lines. MCL § 460.570(1).
Regulated Entity Definition: An "affiliated transmission company" means a person, partnership, corporation, association, or other legal entity…which has fully satisfied the requirements to join a regional transmission organization as determined by the Federal Energy Regulatory Commission, is engaged in Michigan in the transmission of electricity using facilities it owns that were transferred to the entity by an electric utility that was engaged in the generation, transmission, and distribution of electricity in this state on December 31, 2000, and is not independent of an electric utility or an affiliate of the utility, generating or distributing electricity to retail customers in this state. MCL § 460.562(a). A “electric utility” means a person, partnership, corporation, association, or other legal entity whose transmission or distribution of electricity the Michigan Public Service Commission regulates. An "electric utility" does not include a municipal utility, affiliated transmission company, or independent transmission company. MCL § 460.562(e). A “independent transmission company” means a person, partnership, corporation, association, or other legal entity, or its successors or assigns, engaged in this state in the transmission of electricity using facilities it owns that have been divested to the entity by an electric utility that was engaged in the generation, transmission, and distribution of electricity in this state on December 31, 2000, and is independent of an electric utility or an affiliate of the utility, generating or distributing electricity to retail customers in this state. MCL § 460.562(f).

An “electric utility” means a person, partnership, corporation, association, or other legal entity whose transmission or distribution of electricity the MPSC regulates. MCL § 460.562(e).

An “independent transmission company” means a person, partnership, corporation, association, or other legal entity, or its successors or assigns, engaged in this state in the transmission of electricity using facilities it owns that have been divested to the entity by an electric utility that was engaged in the generation, transmission, and distribution of electricity in this state on December 31, 2000, and is independent of an electric utility or an affiliate of the utility, generating or distributing electricity to retail customers in this state. MCL § 460.562(f).
Public Utility Certificate Threshold: An electric utility, affiliated transmission company, or independent transmission company may need a Certificate of Public Convenience and Necessity from the Michigan Public Service Commission to construct a major transmission line. A “major transmission line” is a transmission line of 5 miles or more in length that is wholly or partially owned by an electric utility, affiliated transmission company, or independent transmission company and through which electricity is transferred at system bulk supply voltage of 345 kV or more. MCL §§ 460.562, 460.565.
Processing Timeframe: There is no statutorily defined timeframe for approval.