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Michigan Bulk Transmission Permitting Process (MI)

The steps of the Michigan bulk transmission permitting process are summarized in the chart below. Roll over each section for a summary of the regulations and permits it covers. Click a section to learn more about the required permits and regulations related to that topic.

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Bulk Transmission Development in Michigan

The Michigan electric grid is part of the North American Electric Reliability Corporation’s (NERC) Eastern Interconnection. In Michigan, ReliabilityFirst is the regional entity, under NERC, charged with developing reliability standards and monitoring compliance for all owners, operators and users of the bulk electric system. Michigan has two balancing authorities: Midcontinent Independent System Operator (MISO) and PJM Interconnection (PJM). MISO is the primary balancing authority, while PJM monitors transmission systems in the southwest corner of the State. Both PJM and MISO work together to centrally dispatch generation and coordinate the movement of wholesale electricity in Michigan. The Independent Electricity System Operator (IESO) in Ontario, Canada also affects the imports and exports of electricity generation to and from Michigan.

There are six electric transmission companies, regulated by the Federal Energy Regulatory Commission, that operate electric transmission systems in Michigan. These electric transmission companies include investor-owned, independent, and cooperatives providers:

  1. American Electric Power Company serves the southwest portions of lower Michigan and is a member of PJM;
  2. American Transmission Company services the upper peninsula of Michigan and is a member of PJM;
  3. ITC Transmission serves the lower eastern part of Michigan and is a member of MISO;
  4. Michigan Electric Transmission Company serves the lower peninsula of Michigan generally in the electric service area of Consumers Energy and is a member of MISO;
  5. Wolverine Power Supply Cooperative serves various locations in the lower peninsula of Michigan and is a member of MISO;
  6. Xcel Energy serves the western upper peninsula of Michigan and is a member of MISO.
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