NEW YORK–(BUSINESS WIRE)–Fitch Ratings has affirmed the ‘BBB+’ Issuer Default Ratings (IDRs) and individual debt ratings of KeySpan Corp. (KSE) and its subsidiaries Brooklyn Union Gas Co. (BUG) and KeySpan Gas East Corp. (KGE). Fitch has also affirmed the ratings of New York State Energy Research and Development Authority’s (NYSERDA) issued debt of which BUG is the obligor. Concurrently, Fitch has revised BUG’s Rating Outlook to Negative from Stable. The Rating Outlook at KSE and KGE remains
