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Antitrust Division Sues to Block $26.6 Billion Energy Merger
December 21, 2025
WASHINGTON, Dec. 21 (TNSFR) -- The U.S. Department of Justice Antitrust Division filed a lawsuit to stop Constellation Energy Corp., Baltimore, Maryland, from acquiring Calpine Corporation, Houston, Texas, alleging the $26.6 billion deal would unlawfully raise electricity prices for millions of consumers.

The complaint, filed Dec. 5, 2025, in the U.S. District Court for the District of Columbia, claims the merger violates Section 7 of the Clayton Act. Federal officials argue the acq . . .

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