Mississippi Power & Light Co. v. Mississippi ex Rel. Moore
487 U.S. 354 · Decided June 24, 1988 · 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
Mississippi Power & Light Co. v. Mississippi ex Rel. Moore was decided on June 24, 1988 by a vote of 6–3. The Court reversed the lower court's decision. Justice John Paul Stevens wrote the opinion of the Court. SCDB classifies its main issue as “Nuclear power regulation” in the Economic Activity area.
Read the opinion
Case details
- Citations
- 487 U.S. 354 · 108 S. Ct. 2428 · 101 L. Ed. 2d 322 · 1988 U.S. LEXIS 2874
- Docket number
- 86-1970
- Decided
- June 24, 1988
- Argued
- February 22, 1988
- Court era
- Rehnquist Court
- Decision type
- Opinion of the Court (orally argued)
- Disposition
- Reversed
- Outcome for petitioner
- The petitioning party did not receive a favorable disposition
- Vote
- 6–3
- Majority opinion
- John Paul Stevens
- Opinion assigned by
- William H. Rehnquist
- How the case arrived
- Certiorari
- Issue (SCDB)
- Nuclear power regulation
- Issue area
- Economic Activity
- Legal provision
- Federal Power Act
- Type of law
- Federal statute
- Decision direction (SCDB)
- Conservative what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Justice William J. Brennan Jr. | Dissent | Wrote an opinion |
| Justice Byron R. White | Majority | |
| Justice Thurgood Marshall | Dissent | |
| Justice Harry A. Blackmun | Dissent | |
| Chief Justice William H. Rehnquist | Majority | |
| Justice John Paul Stevens | Majority | Wrote an opinion |
| Justice Sandra Day O'Connor | Majority | |
| Justice Antonin Scalia | Special concurrence | Wrote an opinion |
| Justice Anthony M. Kennedy | Majority |
Full case caption
Mississippi Power & Light Co. v. Mississippi ex Rel. Moore, Attorney General of Mississippi, et al.
SCDB identifiers: case 1987-140, docket 1987-140-01.
Related decisions
Other cases on “Nuclear power regulation”
- Huffman v. Western Nuclear, Inc.
- Duke Power Co. v. Carolina Environmental Study Group, Inc.
- United States v. Eurodif S. A.
- Power Reactor Development Co. v. International Union of Electrical
Cases on the same legal provision: Federal Power Act
- California v. Federal Energy Regulatory Commission
- Nantahala Power & Light Co. v. Thornburg
- Arcadia v. Ohio Power Company
- Escondido Mutual Water Co. v. La Jolla Band of Mission Indians
- Arkansas Electric Cooperative Corp. v. Arkansas Public Service Commission
- Federal Power Commission v. Conway Corp.
Same Term, same area (Economic Activity)
- Gwaltney of Smithfield, Ltd. v. Chesapeake Bay Foundation, Inc.
- Mullins Coal Co., Inc. of Virginia v. Director
- Westfall v. Erwin et Ux.
- United Savings Association of Texas v. Timbers of Inwood Forest Associates, Ltd.
- United States v. Fausto
- Laborers Health and Welfare Trust Fund for Northern California v. Advanced Lightweight Concrete Co., Inc.
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