Duke Energy has filed a plan with North Carolina environmental agencies to remove millions of tons of coal ash from four of its sites in the state, the beginning of a massive coal ash remediation effort the company estimates will cost $3.4 billion.

Cooler summer weather took a toll on the third-quarter profits of electric utilities in PJM's footprint.

PJM should revise its JOA with Duke Energy Progress to reflect the merger between Duke and Progress, according to the Market Monitor.

News briefs on companies in the PJM Interconnection this week, including PSEG, Duke, FirstEnergy, AEP, Ameren, Constellation and General Motors.

Duke Energy is joining a novel $8 billion project using wind and salt mines to provide power, the first time underground compressed-air storage would be used on such a scale in the U.S.

News briefs on companies in the PJM Interconnection this week, including the Tennessee Valley Authority, Exelon, Duke, PSE&G and Dominion.

News briefs on companies in the PJM Interconnection this week, including NRG, Dominion, PSEG, Duke, FirstEnergy, Exelon, PPL and AEP.

News briefs from the states within the PJM footprint. This week we include Delaware, Indiana, Maryland, New Jersey, North Carolina, Ohio, Pennsylvania and Virginia.

FERC rejected an agreement between Duke Energy Carolinas and Duke Energy Progress to share capacity, saying the deal would be discriminatory.