JERA Co. Inc., Japan’s largest power generation company, announced plans to acquire full ownership of the South Mansfield shale gas asset in Louisiana’s Haynesville Basin through its U.S. subsidiary JERA Americas Inc., in a $1.5 billion deal with Williams and GEP Haynesville II. The acquisition underscores JERA’s growing role in the U.S. energy sector and strengthens its global LNG value chain. The Haynesville acquisition includes assets currently producing more than 500 million cubic feet of gas per day ...