The Federal Energy Regulatory Commission set a Nov. 21 deadline to issue an environmental assessment for Northern Natural Gas Company’s Northern Lights 2019 Expansion Project and the Rochester Project in Minnesota, according to the agency’s Oct. 15 notice. The projects consist of new pipeline and compression facilities that would together increase natural gas transportation service by about 138,504 dekatherms per day in Minnesota. The Northern Lights 2019 Expansion is estimated to cost about $158 million and the Rochester project about $31.42 million. A final decision is due by Feb. 19, 2019.