Bloomberg Williams Cos. won US approval to build its $3 billion Atlantic Sunrise natural gas pipeline expansion in the Northeast, ending a review that ran almost two years and forced delays in the project. The 200-mile (322-kilometer) pipeline will expand shipments from shale formations by enough to serve 7 million homes, according to Williams. The Federal Energy Regulatory Commission …

  Bloomberg Vivint Solar Inc. is getting back to its roots. This time last year, the Blackstone Group LP-backed rooftop solar installer was trying to close its proposed acquisition by SunEdison Inc., then the world’s largest clean-energy company. Now, 11 months after that deal fell apart, it’s again partnering with sister company Vivint Smart Home. Chief Executive Officer David Bywater …

  Bloomberg The $3.8 billion Dakota Access crude oil pipeline may start operating June 1, assuming no new obstacles prevent it, according to a person familiar with the matter. Energy Transfer Partners LP, the developer of the pipeline, will begin filling it with oil around February 15, barring complaints or legal action to stop it, said the person, who asked …