In February 2003, the Office of Energy Efficiency and Renewable Energy changed its Web site name and URL. What was the EREN at became US DOE Energy Efficiency and Renewable Energy (EERE) at

At that time, the EERE Web team installed a seamless redirect that allowed us to keep the old EREN IP address (computer address) and automatically redirected users from EREN URLs to corresponding EERE URLs. This minimized problems with search engine results and broken links on internal and external Web sites. In addition, it minimized problems for users. For example, users could type in and go automatically to

In preparation for the migration to the new EERE Web hosting environment in the Forrestal Building, the EERE Web team removed the seamless redirect today, February 2. This is also a positive step in retiring the EREN URL and establishing sites with the EERE URL.

This change may affect links to and from your Web site. All old EREN URLs will now be directed to a bookmark that will point users to the EERE home page ( NREL content providers and client representatives have been briefed on these changes. To learn how to prepare and update your site for this change, please see the Updating Links section of the Communications Web site at:

If you have questions, please contact Amy Vaughn at (303) 275-3863.