How do i contact dynegy for support? Call 833-251-4642 for support. We’ve been around for decades by doing things the right way. You can expect straightforward plans and price protection. Why have millions of Americans turned to Dynegy over the years?Is dynegy energy services owned by texas? In the decades since the company started, Dynegy has served millions of customers in the midwest and northeast. These days, it’s part of the Texas-based Vistra family of companies. Curious to see Dynegy Energy Services electric rates near you?Where can i sign up for dynegy energy plans? Residential energy customers in parts of Illinois, Ohio, Massachusetts, and Pennsylvania can sign up for a plan with Dynegy. There are a number of plans available, including six-month, 12-month, and 24-month options.Does dynegy have a customer account number in colerain township? The Colerain Township provided the customer's account number to Dynegy as an eligible resident to be included in the City of Cincinnati opt-out electric municipal aggregation program in 2019.