John & Hengerer LLP represents and advises energy companies, inlcuding natural gas producers, importers, processors, and marketers; gas and liquids pipeline operators; gas storage companies; large industrial and municipal end-users of gas; a commodity futures exchange; publicly-owned electric utilities; cogenerators; and power marketers, in federal regulatory proceedings before several agencies, including the Federal Energy Regulatory Commission, the Department of Energy, the Department of the Interior, and others. We also represent clients in appellate court proceedings.