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As of July 1, 2021, the following standard becomes effective:

TPL-007-4 - Transmission System Planned Performance for Geomagnetic Disturbance Events

All Reliability Standards, along with their status, purpose, implementation plans, relevant FERC Orders, and Reliability Standard Audit Worksheets, can be accessed at NERC’s One-Stop Shop.

For more information on the NERC Reliability Standards and their potential applicability and impact, please contact Kristen Connolly McCullough, Lisa Gast, Sean Neal, or Barry Lawson.