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 ...

Baltimore-based Constellation Energy announced Friday it has secured final approval from the U.S. Department of Justice (DOJ) ...

Constellation Energy's stock price has surged over the past year. The company sells power competitively, rather than distributing it directly to customers. It's about to get a lot bigger and more ...

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 ...

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 ...

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, 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 ...