Federal Power Commission v. Sierra Pacific Power Co.
350 U.S. 348 · Decided February 27, 1956 · 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
Federal Power Commission v. Sierra Pacific Power Co. was decided on February 27, 1956 unanimously (9–0). The Court affirmed the lower court's decision. Justice John M. Harlan II wrote the opinion of the Court. SCDB classifies its main issue as “Electric power regulation” in the Economic Activity area.
Read the opinion
Case details
- Citations
- 350 U.S. 348 · 76 S. Ct. 368 · 100 L. Ed. 2d 388 · 1956 U.S. LEXIS 1651
- Docket number
- 51
- Decided
- February 27, 1956
- Argued
- November 8, 1955
- Court era
- Warren Court
- Decision type
- Opinion of the Court (orally argued)
- Disposition
- Affirmed
- Outcome for petitioner
- The petitioning party did not receive a favorable disposition
- Vote
- 9–0 (unanimous)
- Majority opinion
- John M. Harlan II
- Opinion assigned by
- Earl Warren
- How the case arrived
- Certiorari
- Issue (SCDB)
- Electric power regulation
- Issue area
- Economic Activity
- Legal provision
- Federal Power Act
- Type of law
- Federal statute
- Decision direction (SCDB)
- Liberal what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Justice Hugo L. Black | Majority | |
| Justice Stanley F. Reed | Majority | |
| Justice Felix Frankfurter | Majority | |
| Justice William O. Douglas | Majority | |
| Justice Harold H. Burton | Majority | |
| Justice Tom C. Clark | Majority | |
| Justice Sherman Minton | Majority | |
| Chief Justice Earl Warren | Majority | |
| Justice John M. Harlan II | Majority | Wrote an opinion |
Full case caption
Federal Power Commission v. Sierra Pacific Power Co.
SCDB identifiers: case 1955-031, docket 1955-031-01.
Related decisions
Other cases on “Electric power regulation”
- Federal Power Commission v. Niagara Mohawk Power Corp.
- Pennsylvania Water & Power Co. v. Federal Power Commission
- Federal Power Commission v. Tuscarora Indian Nation
- Grand River Dam Authority v. Grand-Hydro
- Federal Power Commission v. Southern California Edison Co.
- Federal Power Commission v. Union Electric Co.
Cases on the same legal provision: Federal Power Act
- Federal Power Commission v. Oregon
- City of Tacoma v. Taxpayers of Tacoma
- United States v. Public Utilities Commission of California
- Federal Power Commission v. Idaho Power Co.
- Montana-Dakota Utilities Co. v. Northwestern Public Service Co.
- Udall v. Federal Power Commission
Same Term, same area (Economic Activity)
- Williams v. United States.
- Liquid Carbonic Corp. v. United States
- Indian Towing Co., Inc. v. United States
- Neese v. Southern Railway Co.
- Bernhardt v. Polygraphic Company of America, Inc.
- Ryan Stevedoring Co., Inc. v. Pan-Atlantic Steamship Corp.
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