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

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

Constellation Energy’s deal to buy Calpine is being driven by fast-rising demand for electricity in part by the technology ...

When the December nonfarm payrolls report hit the tape, there was no question which way stocks would go at Friday's opening ...

Constellation Energy shares shot 25% higher today as the company confirmed its intentions to purchase Calpine. Calpine ...

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%.

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

Reverse polarity is flowing into the electricity business. Exelon spun off Constellation Energy back in 2022 when prospects ...

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

Constellation Energy Corp., an electricity provider whose stock has doubled over the last year on hopes it will help meet the voracious energy demand created by artificial-intelligence technologies, ...

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.

Constellation Energy Group Inc. has agreed to buy a Texas company in a deal worth more than $26 billion that will create one ...