Schedule a Home Energy Assessment Want a Delmarva Power Participating Contractor to contact you? Fill out the form below and a specially trained contractor will contact you to schedule your assessment. The cost of the assessment is just $100 (a $400 value). If you do not have an email address or access to email, please call 1-866-353-5799 to request your appointment. Or, choose from the list of Participating Contractors to schedule your Home Energy Assessment directly.