Welcome to DTE’s online Order Change Form. This form is for current customers who would like to make a change to their existing service. If you are a new customer please contact our office at (800) 877-7699 to speak with a Business Representative. Existing customers may enter your Change Order request and an DTE representative will contact you to process your order. Please know that all Change Order requests received after 5 PM MDT will be processed the next business day.