Tim Sparks Retires after More Than 30 Years with the Company JACKSON, Mich., Feb. 1, 2024 /PRNewswire/ -- CMS Energy and its principal subsidiary, Consumers Energy, announced today that Tim Sparks, vice president of electric supply, has retired after more than 30 years with the company. "Tim's knowledge and counsel will be missed in our electric supply organization, and he has consistently been an example of a co-worker who is 'Proud to Wear the Colors,'" said Tonya Berry, senior vice president of transform ...