Venture Global LNG Inc. told regulators Calcasieu Pass LNG has yet to meet requirements to begin fulfilling deliveries to contract holders, pushing back against efforts from its long-term offtakers to force disclosure around the years-long commissioning process.

In December, BP plc filed a request with FERC requesting it compel Virginia-based Venture Global to release confidential information about the extended commissioning process at Calcasieu Pass. BP and other long-term offtakers of the project, including Edison SpA, Galp Energia SA, Shell plc and Repsol SA, have accused the company of hiding behind alleged technical issues to delay sending contracted cargoes in favor of selling its own spot volumes.

Shell and, mostly recently, Portugal’s Galp have asked the Federal Energy...