TC Energy and contractor Pacific Atlantic Pipeline Construction dispute costs on challenging $10.6B Canada natural gas pipeline as it nears completion.
The proposal would affect more than two million miles of gas distribution lines in the U.S. It was spurred by a fatal 2018 gas explosion in Massachusetts.
States say Federal Energy Regulatory Commission did not consider New Jersey's claims that added capacity was not needed and would violate its climate change law.
West Virginia approval was vacated by a Richmond, Va., federal court, which cited errors and ordered a permit redo for the 303-mile line from the Marcellus shale region in the currently halted project's latest legal battle.
Mastec-built Virginia to W.Va. natural gas project, set to operate in summer, faces unclear delay as feds must reassess its water crossings in a national forest.
Virginia narrowly OKs controversial water crossing permit in a 107-mile portion of the 373-mile route also in West Virginia and North Carolina, but two federal approvals remain
Agency says the Virginia pipeline does not do enough to mitigate impacts on hundreds of stream crossings still ahead for 303-mile project, even at 92% completion.
D.C. appeals court June 22 reversal of an operating natural gas line's 2018 certification is a focus as the agency considers changes in how it decides need for interstate pipelines.
