Pipeline and power company TC Energy Corp. is moving to buy out the other unitholders in TC PipeLines, LP, a U.S. master limited partnership it operates, for about US$1.48 billion (C$1.97 billion) in shares. The Calgary-based company says it will offer 0.65 of a share in the parent company for each TC PipeLines unit, the equivalent of US$27.31 per unit based on the TC Energy's Friday closing price and reflecting a 7.5 per cent premium to the 20-day volume weighted average price of TC Pipelines.