Constellation is buying power natural gas and geothermal power provider Calpine in a cash-and-stock deal valued at ...
Baltimore-based Constellation, the nation’s largest operator of nuclear power plants, is acquiring Calpine Corp.
Constellation Energy shares shot 25% higher today as the company confirmed its intentions to purchase Calpine. Calpine ...
Separately, Calpine and Constellation are already among the largest power generation companies in the country.