This is the home page for the National Wind Technology Center's Certification and Standards efforts. Please choose a certification-related subtopic from the list on the left.

Please Note:

If you choose Guidelines or Standards, you will be prompted for a user ID and password. The password changed in December 2004. If you do not know the new password, please contact Sandy Butterfield. Incorrectly guessing the password three times will lock the account and require manual intervention to unlock it, so please ask first if you are not sure.