2018-11001: Geomagnetic Disturbance Reliability Standard
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The Federal Energy Regulatory Commission (Commission) proposes to approve Reliability Standard TPL-007-2 (Transmission System Planned Performance for Geomagnetic Disturbance Events). The North American Electric Reliability Corporation (NERC), the Commission-certified Electric Reliability Organization, submitted proposed Reliability Standard TPL-007-2 for Commission approval. Geomagnetic disturbance events (GMDs) occur when the sun ejects charged particles that interact with and cause changes in the earth's magnetic fields. Proposed Reliability Standard TPL-007-2 modifies currently-effective Reliability Standard TPL-007-1 by requiring applicable entities to: Conduct supplemental GMD vulnerability assessments and thermal impact assessments; obtain geomagnetically induced current and magnetometer data; and meet certain deadlines for the development and completion of tasks in corrective action plans. In addition, the Commission proposes to direct NERC to develop and submit modifications to the Reliability Standard to require applicable entities to develop and implement corrective action plans to mitigate supplemental GMD event vulnerabilities.
The agency’s own summary, as published.
What this changes
Amends 1 part of the Code of Federal Regulations — the standing rules this notice rewrites.
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