PSEG reported fourth-quarter net income of $476 million ($0.94/share), more than double the $200 million ($0.39/share) for the same quarter in 2013.

News briefs on companies doing business with RTOs. This week we include Ameren, NextEra, Xcel, Calpine, Exelon, PPL, NRG, PSEG, Dynegy and AEP.

Duke Energy said Friday that it had reached a $102.2 million settlement with the federal government to end the investigation into the Dan River ash spill and the company’s ash basin operations at other North Carolina plants.

Fourth-quarter earnings of NIPSCO parent NiSource rose to $154.2 million ($0.49/share), up nearly 2% from $151.8 million ($0.48/share) a year ago.

PJM President and CEO Terry Boston plans to retire effective Dec. 31. A search for a replacement is already underway.

AEP reported fourth-quarter earnings of $191 million ($0.39/share), compared with $346 million ($0.71/share) for the same period last year.

Exelon reported fourth-quarter earnings Friday of $18 million ($0.02/share), compared with $495 million ($0.58/share) in 2013.

PPL will file a base distribution rate case this year for its Pennsylvania business, CEO Bill Spence said during the company’s fourth-quarter earnings call.

Wisconsin Energy Corp. profits fell 16% in the fourth quarter on warmer weather and $6 million in costs related to its proposed acquisition of Integrys.

Dominion, a company that has made some dramatic shifts in direction in the past year, announced a significant drop in reported earnings for Q4 2014.