Petitioner:	People of the State of Michigan
Respondent:	Federal Energy Regulatory Commission
Intervenor:	Consumers Energy Company, Midcontinent Independent System Operator, Inc., Ameren Services Company, agent of Union Electric Company, d/b/a Ameren Missouri, Ameren Illinois Company, d/b/a Ameren Illinois, and Ameren Transmission Company of Illinois, American Transmission Company LLC, Big Rivers Electric Corporation, Central Minnesota Municipal Power Agency, Citizens Electric Corporation, City Water, Light & Power, Springfield, IL, Cleco Power LLC, Cooperative Energy, Dairyland Power Cooperative, Duke Energy Business Services LLC, for the benefit of Duke Energy Indiana, LLC, East Texas Electric Cooperative, Inc., Entergy Arkansas, LLC, Entergy Louisiana, LLC, Entergy Mississippi, LLC, Entergy New Orleans, LLC, Entergy Texas, Inc., Great River Energy, GridLiance Heartland LLC, Hoosier Energy Rural Electric Cooperative, Inc., Indiana Municipal Power Agency, International Transmission Company, d/b/a ITCTransmission, ITC Midwest LLC, Lafayette Utilities System, Michigan Electric Transmission Company, LLC, MidAmerican Energy Company, Minnesota Power, Superior Water, L&P, Missouri River Energy Services, Montana-Dakota Utilities Co., Northern Indiana Public Service Company LLC, Northern States Power Company, a Minnesota corporation and a Wisconsin corporation, subsidiaries of Xcel Energy Inc., Northwestern Wisconsin Electric Company, Otter Tail Power Company, Prairie Power, Inc., Southern Illinois Power Cooperative, Southern Indiana Gas & Electric Company, d/b/a CenterPoint Energy Indiana South, Southern Minnesota Municipal Power Agency, Wabash Valley Power Association, Inc. and Wolverine Power Supply Cooperative, Inc.
Case Number:	25-1285
Filed:	December 15, 2025
Court:	U.S. Court of Appeals, D.C. Circuit
Nature of Suit:	Other

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