Repsol SA continues to push U.S. regulators for access to confidential documents filed by Venture Global LNG Inc. detailing the prolonged commissioning process at the Calcasieu Pass export terminal that has delayed commercial operations and the delivery of cargoes under long-term contracts.

In April, Madrid-based Repsol filed a motion to participate in FERC’s ongoing oversight of the project, but was ultimately denied access. The company argued against the Federal Energy Regulatory Commission’s denial in a request for rehearing last week. Repsol holds a 20-year sales and purchase agreement (SPA) for 1 million metric tons/year (mmty) from the Louisiana terminal.

“Granting the motion would allow Repsol access to critical filings regarding commissioning and construction that...