Your search Cascade Natural Gas Corporation, Petitioner, v. Federal Energy Regulatory Commission, Respondent.washington Natural Gas Company, Northwest Natural Gascompany, and Northwest Pipeline Corporation, Intervenors.washington Utilities and Transportation Commission, Petitioner, v. Federal Energy Regulatory Commission, Respondent.northwest Pipeline Corporation, Northwest Natural Gascompany, North Pacific Paper Corporation, Andweyerhaeuser Company, Intervenors did not match any document.