In 5-4 ruling, with Justice Amy Coney Barrett joining liberal wing in dissent, the high court says EPA has the responsibility to provide details for wastewater plant discharge permits.
Fervo Energy has construction underway on 631-acre project, including on 148 acres of public land, and announced two purchase agreements with Southern California Edison for 320 MW of eventual output.
But in a surprise, court majority agrees to not block federal EPA GHG emissions rule from taking effect as it weighs opponents legal challenge to the mandate.
Justices will rule on arguments against EPA "generic" effluent discharge permitting, but declined to consider landowners' eminent domain challenge on the Mountain Valley gas pipeline.
Chief of the Federal Permitting Improvement Steering Council, with a track record in public procurement and private development, shares insight on how agency guides the government's behind the scenes push to expedite project approvals.