S&P 500 nuclear stock Constellation Energy fell in afternoon trade on Wednesday after a report emerged that it's close to finalizing a deal for Calpine, a natural gas and geothermal power generator.

Constellation to shed 6 plants, including York Energy Centers to allow $26 billion acquisition of Calpine Corporation to move ...

Constellation Energy offers a variety of fixed-rate plans, from the budget-conscious to the eco-conscious, in natural gas, electricity and home energy services. Katie oversees coverage for home ...

Energy Capital Partners’ $26.6 billion sale of independent power producer Calpine to Constellation Energy Corp will create the largest clean energy provider in the US – capable of generating 60 ...

There’s a slight hitch in Constellation’s plan to construct a new natural gas-fired power plant in Maryland: The potentially prohibitive cost of delivering natural gas to the proposed Harford County ...

BALTIMORE--(BUSINESS WIRE)--Constellation, a business unit of Exelon and longtime competitive energy supplier in Ohio, today announced that it has been selected by Trumbull County, Ohio, to provide ...

BALTIMORE--(BUSINESS WIRE)--Constellation, the nation’s largest producer of carbon-free energy, has set an industry record for blending high concentrations of hydrogen with natural gas, further proof ...

The Houston-based natural gas trading arm of Constellation Energy is being sold to Australian conglomerate Macquarie Group for an undisclosed sum. The deal is expected to close in the second quarter.

2 January 2003 – Constellation Energy Group and Allegheny Energy, Inc. announced today that they have reached an agreement resulting in the purchase by Constellation Energy of two Allegheny Energy ...