Article content TC Energy Corp., builder of the Coastal GasLink pipeline that will feed the LNG Canada plant on the coast of British Columbia, warned Thursday it may suspend “certain key construction activities” on the pipeline as it quarrels with the project’s backers over “recognition of certain costs and the impacts on schedule.” We apologize, but this video has failed to load. Try refreshing your browser, or LNG Canada project threatened amid cost dispute over Coastal GasLink pipeline Back to video Calgary-based TC Energy didn’t say how much costs have increased. In early 2020, the estimated price tag for the pipeline was $6.6 billion.