Constellation Energy agreed to buy Calpine for $16.4 billion, combining two of the country’s largest electricity generators ...

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

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.

The takeover will be a big deal in the US power industry and will significantly profit Calpine's shareholder who bought the ...

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

Constellation Energy, already the biggest US nuclear plant operator, also will become the largest independent power provider in the US after agreeing to buy Calpine, sending shares up 25%.

Constellation Energy, the biggest U.S. nuclear power plant owner, is acquiring Calpine, the largest U.S. producer of low-emission natural gas, to create America's largest clean energy provider.

Merger joins nation’s largest nuclear operator with Texas-based major natural gas and geothermal owner to meet rising AI ...

Constellation's acquisition of Calpine to bolster its energy portfolio with nuclear, natural gas, and geothermal to meet ...

Shares of Constellation Energy Corp. (CEG) surged nearly 15% in pre-market trading on Friday after the company agreed to buy ...

The company is betting that data-center owners will be hungry for all sorts of power—from nuclear to conventional.