Ameren, Wisconsin Energy and Xcel Energy announced their first-quarter earnings results.

NiSource and Entergy announced their first-quarter earnings results this week.

NRG Energy will continue to focus on its residential solar and renewable energy technology businesses, despite posting losses in those units in 2014.

Pepco reported fourth-quarter earnings of $35 million ($0.14/share), a drop from the $58 million ($0.23/share) it earned for the same period last year.

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.

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.

ConEd reported lower fourth-quarter earnings for 2014, but its $0.58/share showing for ongoing operations beat analysts’ consensus by 2 cents.

Earnings from U.S. operations were a bright spot for Spanish utility conglomerate Iberdrola SA, as the company coped with the effects of slashed government subsidies for renewable energy in its home country.

Former FirstEnergy CEO Anthony Alexander announced last week that he will retire just before the company released its year-end earnings report.