State Sovereignty

Conflict between state regulatory powers and federal preemption under the Pipeline Safety Act

1. Enbridge Energy, LP v. Nessel

2. Jurisdiction: United States (Michigan) (April 22, 2026)
3. DefendantsDana NesselPlaintiffsEnbridge Energy, Limited PartnershipDefense AttorneysDaniel BockPlaintiff AttorneysAlice LoughranJudgesElizabeth T. ClementInstitutionsMichigan Supreme CourtEnbridge Energy, Limited PartnershipMichigan Attorney General's Office
4. Case Tags: Pipeline Law;Environmental Litigation;State Sovereignty;Energy Infrastructure