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BES Definition Implementation

​This page contains information related to the NERC BES Definition and Exception Processes. Detailed information on the application of the BES definition, and materials designed to provide entities with the information needed to make uniform determinations of BES elements is located on the NERC Bulk Electric System Definition, Notification, and Exception Process Project Page

Have a question/comment? Please view the NERC BES FAQ document for quick answers to many commonly asked questions. If you can’t find your answer there, or would like to submit a comment/question, please visit our Contact Us page and direct your question to the Registration/Certification group.