Click here for: BES Definition Transition Period Closure Process
The North American Electric Reliability Corporation (NERC) has published the Bulk Electric System (BES) Definition Transition Period Closure Process. During the two-year transition period of the revised BES definition, Self-Determined Notices (SDNs) were submitted through the NERC BES Notification and Exceptions Tool (BESnet). After July 1, 2016, responsible entities should submit inquiries concerning the BES element status by using existing procedures used to notify Regional Entities of other changes in status. After July 1, 2016, applications for SDNs will no longer be accepted in BESnet.
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