...Baltimore Gas and Electric Company's (BGE) ratings reflect the utility's low-risk electric transmission and distribution (T&D) and gas distribution business, improving state regulation and stable credit profile. The March 2019 upgrade of BGE's Long-Term Issuer Default Rating was the result of the company having met Fitch Ratings' previously stated FFO- adjusted leverage upgrade target of 4.0x or better over the forecast period. The ratings also reflect the moderate rating linkage between Exelon Corporation (EXC) and its subsidiaries....