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Illinois Bulk Transmission Permitting Process (IL)

The steps of the Illinois 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 Illinois

The Illinois electric grid is part of the North American Electric Reliability Corporation’s (NERC) Eastern Interconnection. In Illinois, ReliabilityFirst and SERC Reliability Corporation are the regional entities, under NERC, charged with developing reliability standards and monitoring compliance for all owners, operators and users of the bulk electric system. Illinois 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 northeast Illinois. Both PJM and MISO work together to centrally dispatch generation and coordinate the movement of wholesale electricity in Illinois.

In Illinois, there are investor-owned, independent, municipal, and cooperative transmission providers, including:

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