Constellation Energy, the owner of America’s biggest nuclear power fleet, is buying the owner of the largest natural ...

Baltimore-based Constellation Energy Corp. will acquire Houston-based energy company Calpine Corp. in a deal worth $16.4 ...

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

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 ...

Constellation says that after merging with Calpine, it will be the biggest electric utility in America, with 2.5 million ...

Constellation will acquire power company Calpine for $16.4 billion, linking two of the nation's biggest power companies.