Contact Us Contact us If you have any questions about our program or need help, contact us by phone at 313-664-1900 or by email at dtesaveenergy@dnv.com Contact us We value your input! Click below to: Suggest a new measureSubmit a new marketing ideaPitch a potential partnership ideaShare an upcoming industry / trade event with your colleaguesGive us feedback on the program or the websiteSubmit feedback to: dtesaveenergy@dnv.com DTE Energy Efficiency Program for Business P.O. Box 11289Detroit, MI 48211Phone: 866-796-0512dtesaveenergy@dnv.com www.dteenergy.com/savenow