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.

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

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

Constellation Energy Corp., an electricity provider whose stock has doubled over the last year on hopes it will help meet the ...

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

Microsoft signed a deal with Constellation last year to fulfill its growing need for electricity for its data centers. Barron ...

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

The $16.4 billion purchase agreement would combine the biggest U.S. nuclear operator with Calpine’s natural gas assets.

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 and Calpine announced they have entered into a definitive agreement under which Constellation will acquire Calpine in a cash and ...

Constellation Energy, a major US nuclear power plant operator, has agreed to buy another electricity producer, Calpine, for nearly $27 billion, the two firms announced Friday.