Fitch Ratings affirmed Columbia Pipeline Group’s credit rating at “A-” with a stable outlook, partly because of FERC’s “supportive” regulatory framework. The rating issued Aug. 23 for the TC Energy Corp. subsidiary signals Fitch’s expectations of the pipeline company’s low default risk. “The affirmation and stable outlook [are] based on acceptable long-term leverage, a well-positioned and well-regulated interstate natural gas pipeline network, and long-term take-or-pay […]