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Case

U.S. and Plaintiff States v. Constellation Energy Corporation, et al.

Case Open Date
Case Name
United States and State of Texas v. Constellation Energy Corporation; Calpine Corporation and CPN CS Holdco Corp.
Case Type
Civil Merger
Case Violation(s)
  • Horizontal Merger
Industry Code(s)
  • Electric Power Distribution
  • Fossil Fuel Electric Power Generation
  • Natural Gas Distribution
Component
Antitrust Division
Case Documents
Final Judgment   [PDF, ]
United States' Unopposed Motion and Memorandum in Support of Entry of Final Judgement   [PDF, ]
Exhibit A - [Proposed] Final Judgement   [PDF, ]
Exhibit B - Certificate of Compliance with Provisions of the Antitrust Procedures and Penalties Act   [PDF, ]
Response of Plaintiff United States to Public Comment on the Proposed Final Judgment   [PDF, ]
Exhibit A   [PDF, ]
Competitive Impact Statement   [PDF, ]
Proposed Final Judgement   [PDF, ]
Asset Preservation and Hold Separate Stipulation and Order   [PDF, ]
Complaint   [PDF, ]
Updated June 22, 2026