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California v. Federal Power Commission

369 U.S. 482 · Decided April 30, 1962 · Supreme Court of the United States

Record summary. This page is generated from the Supreme Court Database’s coded data about the case. It describes who decided what, not the Court’s reasoning. Read the opinion itself before relying on it. Not legal advice.

At a glance

California v. Federal Power Commission was decided on April 30, 1962 by a vote of 5–2. The Court reversed the lower court's decision and remanded the case. Justice William O. Douglas wrote the opinion of the Court. SCDB classifies its main issue as “Mergers” in the Economic Activity area.

Read the opinion

Case details

Citations
369 U.S. 482 · 82 S. Ct. 901 · 8 L. Ed. 2d 54 · 1962 U.S. LEXIS 2161
Docket number
187
Decided
April 30, 1962
Argued
March 1, 1962
Court era
Warren Court
Decision type
Opinion of the Court (orally argued)
Disposition
Reversed and remanded
Outcome for petitioner
The petitioning party received a favorable disposition
Vote
5–2
Majority opinion
William O. Douglas
Opinion assigned by
Earl Warren
How the case arrived
Certiorari
Issue (SCDB)
Mergers
Decision direction (SCDB)
Liberal what this means

How the Justices voted

JusticeVoteSeparate writing
Justice Hugo L. BlackMajority
Justice William O. DouglasMajorityWrote an opinion
Justice Tom C. ClarkMajority
Chief Justice Earl WarrenMajority
Justice John M. Harlan IIDissentWrote an opinion
Justice William J. Brennan Jr.Majority
Justice Potter StewartDissent

Did not participate: Felix Frankfurter, Byron R. White.

Full case caption

California v. Federal Power Commission et al.

SCDB identifiers: case 1961-061, docket 1961-061-01.

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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