The D.C. Public Service Commission unanimously denied Exelon's proposed $6.8 billion acquisition of Pepco Holdings Inc., sparking applause in the hearing room and sending the shares of both companies tumbling on Wall Street.

This week's company briefs include news on Dominion, Duke, Alliant, SunEdison, Bloom Energy, Sempra Energy and SolarWindow Technologies.

The D.C. Public Service Commission will announce its decision on Exelon’s acquisition of Pepco Holdings Inc. at its open meeting 11 a.m. Tuesday.

The New York Public Service Commission staff has accepted seven proposed demonstration projects for the Reforming the Energy Vision initiative.

Entergy has proposed closing one of its largest Arkansas coal plants by 2028 and making modifications to another to comply with EPA’s Regional Haze rule.

Con Ed, Dominion, Duke and Entergy released their second-quarter earnings last week.

Nearly two years after joining MISO — and despite a seams spat between the RTO and SPP — Entergy said it is realizing expected cost savings.

A Maryland circuit court judge Wednesday declined to stay Exelon's acquisition of Pepco Holdings Inc. while it considers an appeal from the state’s Office of People’s Counsel.

Iberdrola USA refiled its acquisition plan for UIL Holdings with Connecticut regulators, attempting to address objections that scuttled the previous plan.