The ratings on DTE Energy Co. reflect its consolidated credit quality, which includes its regulated electric utility, Detroit Edison Co., regulated gas utility, Michigan Consolidated Gas Co. (MichCon), and other affiliates. DTE's business profile is deemed excellent and the financial profile is aggressive. The firm's financial health has rebounded in recent years due to the realization of regulatory relief. Still, these positive factors are somewhat offset by the very weak economic environment in Michigan. A pronounced deterioration in the state's economy could prompt a review of the current business profile. Given these factors, the firm highly depends on the outcome of regulatory proceedings to maintain credit quality. Detroit Edison has filed a $378 million rate case that includes a mechanism
