Environmental groups are challenging FERC’s approval to extend construction for Cheniere Energy Inc.’s third expansion of the Corpus Christi LNG terminal in South Texas as the battle over natural gas infrastructure projects continues.

The Sierra Club and Public Citizen filed a petition with the U.S. Court of Appeals for the District of Columbia (Nos. CP18-512 and CP18-513). The plaintiffs asked for a review into the Federal Energy Regulatory Commission’s decision giving Cheniere until June 30, 2027 to bring stage three online.
The groups argued FERC “acted unlawfully” and asked the court to revisit the extension with “extensive new information.”

The third expansion, sanctioned in June, would add seven midscale liquefaction trains and 10 million metric tons/year...