Federal Power Commission v. Sierra Pacific Power Co.

Decided February 27, 1956. John Marshall Harlan delivered the opinion of the Court.

Docket 51 · 350 U.S. 348 (1956) · Cited 371 times

We don’t yet publish a summary of this opinion — read the official text below for the Court’s holding and reasoning.

How the Justices voted

Decided 9–0.

“Concurring” means agreeing with the outcome; any split shown is the Court’s judgment, not each Justice’s reasoning. Source: the Supreme Court Database (Spaeth et al.), Washington University.

Cited by

Later Supreme Court opinions in our collection that cite this case.

• Morgan Stanley Capital Group Inc. v. Public Util. Dist. No. 1 of Snohomish Cty. · 554 U.S. 527 (2008)
• Permian Basin Area Rate Cases · 390 U.S. 747 (1968)
• Arkansas Louisiana Gas Co. v. Hall · 453 U.S. 571 (1981)
• Verizon Communications Inc. v. Federal Communications Commission · 535 U.S. 467 (2002)
• Federal Power Commission v. Texaco Inc. · 417 U.S. 380 (1974)
• Mobil Oil Exploration & Producing Southeast, Inc. v. United Distribution Cos. · 498 U.S. 211 (1991)

Official text

Read the official opinion (U.S. Reports, govinfo.gov)

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John Marshall Harlan’s profile · All Supreme Court opinions · The Supreme Court

Source: the U.S. Reports via govinfo.gov; authoring Justice and vote lineup from the Supreme Court Database (Washington University). Citation count from the Free Law Project’s CourtListener bulk data. Data last verified 2026-07-03. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).