The Louisiana Department of Environmental Quality (DEQ) has ordered Venture Global LNG Inc. to better comply with its air permits and state regulations after a series of unauthorized emissions occurred at its Calcasieu Pass export terminal last year.

The company could face steep fines following a compliance order and notice of potential penalty DEQ issued late last month following inspections and a review of the findings. 

Venture Global reported the release of 180,099 pounds of natural gas that occurred over three days in January 2022. The discharge resulted during the commissioning of a liquefied natural gas storage tank. Instead of flaring the gas as originally planned, DEQ’s compliance order noted that a roof vent was used on the tank to release the gas. 

“The change...