Contact Us

OpenNet is sponsored by the Office of Classification, U.S. Department of Energy, Washington, D.C. All comments and suggestions are welcome. We want OpenNet to be a valuable tool for open communication with the public. We welcome your ideas for improving OpenNet.


For system/technical questions or comments, contact:

Email messages to are answered throughout the work week. We do our best to respond within 48 hours.


U.S. Department of Energy
Office of Classification, AU-61 (GTN)
1000 Independence Ave., SW
Washington, DC 20585-1290