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

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

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

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 ...

Constellation Energy said on Friday it would buy privately held Calpine Corp, a geothermal and natgas energy company, in a ...

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

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

Competitive generation giant Constellation has agreed to acquire Calpine Corp. in a $16.4 billion deal that is set to create ...

Based in Baltimore, Constellation is a provider of clean energy and a supplier of energy products and services to businesses, ...

Constellation Energy Group, Ins. (CEG) and Calpine Corp. (CPN) announced Friday they have entered into a definitive agreement under ...