An $860 million natural gas processing plant is under construction in B.C. When completed, it will be the largest built in Western Canada in the last 30 years. Veresen Inc. announced that the Cutbank Ridge Partnership , a partnership between Encana Corporation and Cutbank Dawson Gas Resources Ltd., a subsidiary of Mitsubishi Corporation, has sanctioned the Sunrise gas plant, to be located in the Montney region near Dawson Creek in northeastern British Columbia.