Cheniere Energy Partners L.P. has won Federal Energy Regulatory Commission approval to build and operate the nation’s first liquefied natural gas export facility in Cameron Parish.

“Obtaining approval from the FERC is one more milestone for our liquefaction project,” Cheniere Chairman and Chief Executive Officer Charif Souki said in a news release. “We will now finalize the financing arrangements in order to commence construction of the first two LNG trains of our Liquefaction Project promptly.”

Cheniere plans call for the Sabine Pass LNG terminal to have up to four “trains,” or production lines. The U.S. Department of Energy has already given Cheniere permission to export up to 803 billion cubic feet of natural gas a year.

Meanwhile, San Diego-based Sempra Energy announced that it has signed deals with Mitsubishi Corp. and Mitsui & Co. Ltd to develop and build an LNG export facility in Hackberry.

The facility would be capable of exporting 1.7 billion cubic feet of natural gas per day. Sempra said construction on the project is expected to start in late 2013 with operations to commence in late 2016.

The agreements mean the three firms will fund all development expenses, including design, permitting and engineering for the project.

“These agreements with Mitsubishi and Mitsui represent a significant step forward in the development of a liquefaction facility at our Louisiana LNG terminal to support international natural gas markets,” Mark A. Snell, president of Sempra Energy, said in a news release.