American Electric Power Company, Inc., et al., Petitioners v. Connecticut et al
Decided June 20, 2011. Ruth Bader Ginsburg delivered the opinion of the Court.
Docket 10-174 · 564 U.S. 410 (2011)
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 8–0.
Majority · 6
- Ruth Bader Ginsburg · delivered the opinion of the Court
- Anthony McLeod Kennedy
- Antonin Scalia
- Elena Kagan
- John Glover Roberts Jr.
- Stephen Gerald Breyer
Concurring · 2
- Clarence Thomas
- Samuel A. Alito Jr. · filed a concurring opinion
“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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Ruth Bader Ginsburg’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).