CHICAGO--(BUSINESS WIRE)--Fitch Ratings has affirmed the ratings of American Transmission Co. LLC (ATC), including the long-term Issuer Default Rating (IDR) at 'A' and the short-term IDR at 'F1'. The Rating Outlook is Stable. A detailed list of ratings is provided at the end of this release. The rating affirmation and Stable Outlook reflect ATC's...
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