Constellation Energy Trading Volume Drops 30.06% Ranking 124th Amid Regulatory Approval for Calpine Acquisition

On June 17, 2025, Constellation Energy (CEG) experienced a significant decline, with its trading volume dropping by 30.06% to 5.58 billion, ranking 124th in the day's market activity. The stock price fell by 0.72%.

Constellation Energy has received regulatory approval from the New York State Public Service Commission for its acquisition of Calpine Corporation. This approval is a crucial step in Constellation's plan to merge the nation's largest zero-emissions nuclear fleet with Calpine's portfolio of low-emission natural gas and geothermal assets. The deal aims to create a coast-to-coast platform capable of supporting the growing demand for sustainable power.

This transaction is expected to unite two diverse generation portfolios, establishing a leading reliable and clean generation fleet. The combined entity will help the U.S. meet the growing energy needs of families, communities, and businesses across the country. The deal is anticipated to close in the fourth quarter of 2025, pending approval from the Federal Energy Regulatory Commission and the Department of Justice, along with other customary closing conditions.

Constellation Energy Corporation, headquartered in Baltimore, is the nation’s largest producer of reliable, emissions-free energy. With nearly 90% carbon-free annual output, the company's hydro, wind, and solar facilities, paired with the nation’s largest nuclear fleet, have the generating capacity to power the equivalent of 16 million homes, providing about 10% of the nation’s clean energy. The company is committed to investing in innovative technologies to drive the transition to a reliable, sustainable, and secure energy future.