Tunnel Shotcrete Lining for Hydroelectric Projects In British Columbia (BC), Canada, the primary source of power supply is hydroelectricity. By shotcreteweb|2022-02-16T16:54:25+00:00January 6th, 2019| Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail About the Author: shotcreteweb