Texas' surging growth in power demand was a big driver in the $26.6 billion deal to acquire Houston's largest private company.

Separately, Calpine and Constellation are already among the largest power generation companies in the country.

Constellation Energy Group Inc. has agreed to buy a Texas company in a deal worth more than $26 billion that will create one of the largest energy producers in the country.

Baltimore-based Constellation’s plans to acquire a Houston, Texas,-based natural gas  producer in a $26.6 billion deal will create one of the nation’s biggest energy firms at a time

Constellation is buying power natural gas and geothermal power provider Calpine in a cash-and-stock deal valued at approximately $16.4 billion, joining together two of the country’s biggest power companies.

Constellation Energy agreed to buy Calpine for $16.4 billion, combining two of the country’s largest electricity generators at a time when their product is in high demand from tech companies. Including the assumption of debt,

Constellation Energy’s deal to buy Calpine is being driven by fast-rising demand for electricity in part by the technology industry’s investments in artificial intelligence.

Constellation Energy shares could remain in focus on Monday after surging more than 25% Friday as the energy giant announced that it will acquire rival Calpine in a deal valued at $26.6 billion. Monitor these key chart levels.

Constellation Energy announces acquisition of Calpine, creating America's largest clean energy provider.

Competitive generation giant Constellation has agreed to acquire Calpine Corp. in a $16.4 billion deal that is set to create the largest producer of clean

Baltimore-based Constellation Energy Corp. will acquire Houston-based energy company Calpine Corp. in a deal worth $16.4 billion, one of the largest energy acquisitions on record.

Constellation Energy said the company is applying for federal funding as it evaluates whether to put one or more small modular nuclear reactors (SMRs) at