Exelon prioritized improving "our regulatory outlook in Illinois," CEO Calvin Butler said, after the state's Commerce Commission rejected ComEd's integrated grid plan for failing to meet core provisions of the Climate and Equitable Jobs Act.

A DOE report on resource adequacy says firms investing in natural gas capacity could be retrofitted with carbon capture and storage, or the ability to burn clean hydrogen.

"The energy transformation will last decades, not years, which is why we are confident that investment opportunities will continue to strengthen and lengthen our rate base growth,” CEO Calvin Butler said.

Exelon utilities will work on transmission upgrades as the Brandon Shores coal-fired power plant prepares for deactivation.