Constellation is buying power natural gas and geothermal power provider Calpine in a cash-and-stock deal valued at ...
Competitive generation giant Constellation has agreed to acquire Calpine Corp. in a $16.4 billion deal that is set to create ...
Constellation Energy Corp., an electricity provider whose stock has doubled over the last year on hopes it will help meet the ...
Separately, Calpine and Constellation are already among the largest power generation companies in the country.