This week's company briefs include news on Tesla, Dominion, Exelon, Duke, Southern Co., Mississippi Power, FirstEnergy and PPL.

Eversource Energy's proposed Northern Pass transmission project won’t be operational until the first half of 2019. The company had previously said the line would be delivering Canadian hydropower to New England by 2018.

Exelon said first-quarter profit exceeded expectations, in part due to strong performances by PECO, Baltimore Gas and Electric and Constellation Energy.

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

Michigan regulators on Thursday approved Wisconsin Energy Corp.’s $9.1 billion acquisition of Illinois-based Integrys Energy — with the condition that the merged companies continue to operate the Presque Isle Power Plant in Michigan’s Upper Peninsula.

This week's company briefs include news on Exelon, Dominion, Alliant, Alevo, and TVA. Plus the latest from IHS Cera Week and RGGI.

Record cold weather and falling natural gas prices helped push AEP’s first quarter earnings up 12%.

Extreme cold helped drive first quarter earnings at two of Michigan’s utilities, though neither DTE Energy nor CMS Energy enjoyed quite the bump as during the polar vortex last year.

FERC approved an uncontested settlement over the 2010 move by two Duke Energy subsidiaries from MISO into PJM.

FERC approved requests by two Michigan electric utilities to reclassify a number of distribution facilities as transmission assets within MISO.