National supremacy, public utilities: Supreme Court decisions

Every U.S. Supreme Court decision from the 1946 through 2025 Terms that the Supreme Court Database classifies under the issue “National supremacy, public utilities,” part of the Federalism area.

Legal provisions most often involved

All 10 decisions, newest first

• Hughes v. PPL Energyplus
  578 U.S. 150Decided April 19, 20168–0Ruth Bader Ginsburg
• Central Virginia Community College v. Bernard KatzAltered precedent
  546 U.S. 356Decided January 23, 20065–4John Paul Stevens
• Federal Maritime Commission v. South Carolina State Ports Authority
  535 U.S. 743Decided May 28, 20025–4Clarence Thomas
• Verizon Md. Inc. v. Public Service Comm'n of Md.
  535 U.S. 635Decided May 20, 20028–0Antonin Scalia
• Federal Energy Regulatory Commission v. Mississippi
  456 U.S. 742Decided June 1, 19825–4Harry A. Blackmun
• Brotherhood of Locomotive Firemen & Enginemen v. Chicago
  393 U.S. 129Decided November 18, 19687–1Hugo L. Black
• City of Tacoma v. Taxpayers of Tacoma
  357 U.S. 320Decided June 23, 19589–0Charles E. Whittaker
• City of Chicago v. AtchisonLaw held unconstitutional
  357 U.S. 77Decided June 16, 19586–3Hugo L. Black
• Panhandle Eastern Pipe Line Co. v. Michigan Public Service Commission
  341 U.S. 329Decided May 14, 19517–2Sherman Minton
• Regents of the University System of Georgia v. Carroll
  338 U.S. 586Decided February 6, 19507–0Stanley F. Reed

Source: Supreme Court Database, 2026 Release 01 (data file dated September 8, 2026). Imported into CaseTrail November 5, 2026. Coverage: decisions from the 1946 through 2025 Terms. Methodology · Report an error