Holding: Congress did not grant the Environmental Protection Agency in Section 111(d) of the Clean Air Act the authority to devise emissions caps based on the generation-shifting approach the agency took in the Clean Power Plan.
Judgment: Reversed and remanded, 6-3, in an opinion by Chief Justice Roberts on June 30, 2022. Justice Gorsuch filed a concurring opinion, in which Justice Alito joined. Justice Kagan filed a dissenting opinion, in which Justices Breyer and Sotomayor joined.
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