Demand Flexibility Service event opt-in Opt-in below to the next Demand Flexibility Service event All questions must be answered, unless marked (Optional) Please add your business details to opt-in to the Demand Flexibility Service event Business email address Company name I want to opt in all of the MPANs I have registered for the next Demand Flexibility Service event Yes No Please list out the MPANS you would like to enter If you'd like to opt in more than 6 MPANs for this event, please upload a file with your MPAN list here (Optional) One file only.50 MB limit.Allowed types: xls xlsx. CAPTCHA