How do i contact the department of energy by email? By E-mail: You can send an email to the Secretary of Energy at [email protected]. By Phone: 202-586-5000 (Main Switchboard) For Hearing and/or Speech Impaired: 1-800-877-8339. By Fax: 202-586-4403. *By Mail: U.S. Department of Energy. 1000 Independence Ave., SW.How do i contact the nuclear energy institute? Contact Us. Find out more about visiting NEI in our nation's capital. Nuclear Energy Institute 1201 F St., NW, Suite 1100 Washington, DC 20004-1218 P: 202.739.8000 F: 202.785.4019.How do i contact energy saver? Homeowner and consumer inquiries: Visit Energy Saver's contact form to submit questions and comments about saving energy at home. Or use the form below to provide your comments, concerns, questions, or suggestions about the Department of Energy to the Secretary.What is the energy management training course? The EI exists to support professionals working across the energy system and anyone who wants to better understand or contribute to its urgent global challenges. Our Energy Management training courses will help you achieve this and more, with a range of training and education packages to suit those involved in any form of energy management.