High Quality Content by WIKIPEDIA articles! FortisBC Inc is an electric power and gas distribution/retail company in the Canadian province of British Columbia and a subsidiary of Fortis Inc. Newfoundland-based Fortis Inc. is Canada’s largest private utility company. On March 1, 2011, Terasen Gas—British Columbia`s largest natural gas distributor—has been renamed FortisBC Energy Inc., as both companies are owned by Fortis Inc.