HOUSTON, March 20 (Reuters) - U.S. liquefied natural gas (LNG) company Venture Global LNG received U.S. regulatory approval on Wednesday to re-introduce hazardous fluids into "HRSG 372" at the company's Calcasieu Pass LNG export plant in Louisiana.

The approval from the U.S. Federal Energy Regulatory Commission (FERC) was the latest filing in Venture Global's effort to bring Calcasieu to commercial service.

The company has said the Heat Recovery Steam Generators (HRSGs) at Calcasieu were at least part of the problem that has delayed commercial operation of the plant.

Venture Global CEO Mike Sabel said this week that he hopes to complete the start up of Calcasieu by the end of 2024.

Officials at Venture Global were not immediately available for comment on the FERC filing.

The delay caused several of Venture Global's customers, including units of BP and Shell, to seek arbitration to force Venture Global to turn over Calcasieu's LNG cargoes to its customers.

Even though Calcasieu has been exporting LNG since March 2022, LNG cargoes usually do not belong to customers until a project is commercial.

FERC said that this approval does not give Venture Global the authority to place other project facilities in service at the LNG terminal. (Reporting by Anushree Mukherjee and Scott DiSavino Editing by Marguerita Choy)