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The Climate Litigation Database

United States v. City of Morgan Hill

Geography
Year
2026
Document Type
Litigation
Part of

About this case

Filing year
2026
Status
Complaint filed.
Docket number
5:26-cv-00056
Court/admin entity
United StatesUnited States Federal CourtsN.D. Cal.
Case category
Constitutional ClaimsOther Constitutional Claims
Principal law
United StatesEnergy Policy and Conservation Act (EPCA)United StatesSupremacy Clause
At issue
Lawsuit brought by United States challenging two California cities' building electrification ordinances as preempted.
Topics
, ,

Documents

Filing Date
Document
Type
Topics 
Beta
01/05/2026
Complaint filed.
The United States filed a lawsuit in the federal district court for the Northern District of California challenging two California cities’ ordinances establishing building electrification requirements and banning natural gas infrastructure in certain new construction. The complaint alleged that the federal Energy Policy and Conservation Act preempted the ordinances adopted by the City of Morgan Hill and City of Petaluma. The U.S. asked the court to declare that the ordinances are preempted and to permanently enjoin enforcement of the laws.
Complaint

Summary

Lawsuit brought by United States challenging two California cities' building electrification ordinances as preempted.

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Group
Topics
Policy instrument
Just transition
Fossil fuel
Greenhouse gas
Economic sector
Adaptation/resilience