Constellation is buying power natural gas and geothermal power provider Calpine in a cash-and-stock deal valued at ...

U.S. nuclear power provider Constellation Energy on Friday agreed to buy privately-held natural gas and geothermal company ...

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

Constellation Energy — the electricity provider whose stock has doubled over the last year on hopes it’ll help meet the ...

Constellation Energy said on Friday it would buy privately held Calpine Corp, a geothermal and natgas energy company, in a ...

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

Constellation Energy jumped Friday after announcing that it will buy Calpine, adding geothermal and more natural gas to its ...

Constellation Energy struck a $26.6 billion deal to buy Calpine, uniting two of the U.S.'s largest power generators amid ...

Constellation Energy is nearing a roughly $30 billion deal to acquire power producer Calpine, people familiar with the matter ...

Constellation Energy Group, Ins. (CEG) and Calpine Corp. (CPN) announced Friday they have entered into a definitive agreement under ...

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