Supreme Court of the United States / October Term 1964

Federal Power Commission v. Union Electric Co.

Decided May 3, 1965. Byron Raymond White delivered the opinion of the Court.

Docket 123 · 381 U.S. 90 (1965)

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 6–3.

“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.

Official text

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

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Byron Raymond White’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). Data last verified 2026-08-15. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).