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.

U.S. nuclear power provider Constellation Energy on Friday agreed to buy privately held natural gas and geothermal company Calpine Corp for $16.4 billion, one of the biggest acquisitions in U.S. power industry history.

Baltimore-based Constellation, the nation’s largest operator of nuclear power plants, is acquiring Calpine Corp.

In interesting timing, Friday's announcement came on the silver anniversary of the disastrous AOL/Time Warner merger.

Constellation Energy Corp. shares surged to a record high after agreeing to acquire closely held Calpine Corp. for $16.4 billion in a deal that will create the largest fleet of US power stations.Most

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

Baltimore-based energy company Constellation’s plans to acquire a Houston, Texas-based natural gas producer in a $26.6 billion deal will boost the nation’s biggest energy firm right as the U.S. faces skyrocketing demand for power sources for a booming tech sector.

New York, Pennsylvania and Virginia. The buyout will also create the Constellation will buy Calpine with 50 million of its shares and $4.5 billion in cash. It will also assume about $12.7 billion ...

Constellation Energy Corp. shares surged to a record high after agreeing to acquire closely held Calpine Corp. for $16.4 billion in a deal that will create the largest fleet of US power stations.

NEW YORK (Reuters) -U.S. nuclear power provider Constellation Energy on Friday agreed to buy privately held natural gas and geothermal company Calpine Corp for $16.4 billion, one of the biggest ...

Constellation, based in Baltimore, has agreed to acquire Houston's Calpine Corp. in a deal that will create the nation's largest clean energy provider.

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