Maryland officials, with veto power over the proposed $8B merger of Exelon (NYSE:EXC) and...

Maryland officials, with veto power over the proposed $8B merger of Exelon (NYSE:EXC) and Constellation Energy (NYSE:CEG), express concerns that the combined company could have the power to drive up wholesale electricity prices. The state sets a high bar for utility mergers, requiring a demonstrable benefit to residents rather than the typical "do no harm" standard.