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Michael E. Mayfield Director, Division of Engineering April 24, 2006

Generic Letter 2006-02. Michael E. Mayfield Director, Division of Engineering April 24, 2006. Grid Reliability and the Impact on Plant Risk and the Operability of Offsite Power. Generic Letter 2006-02. Grid Reliability and the Impact on Plant Risk and the Operability of Offsite Power.

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Michael E. Mayfield Director, Division of Engineering April 24, 2006

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  1. Generic Letter 2006-02 Michael E. Mayfield Director, Division of Engineering April 24, 2006 Grid Reliability and the Impact on Plant Risk and the Operability of Offsite Power

  2. Generic Letter 2006-02 Grid Reliability and the Impact on Plant Risk and the Operability of Offsite Power • Tools NRC uses to communicate with licensees: • Information Notices • Regulatory Issue Summaries • Generic Letters • Bulletins • Orders

  3. Generic Letter 2006-02 Grid Reliability and the Impact on Plant Risk and the Operability of Offsite Power • What is the process for issuing a Generic Letter? • Why did the NRC issue a Generic Letter on grid reliability?

  4. Grid Reliability Generic Letter Status • April 6, 2005, Draft Generic Letter issued for public comment • January 9 and 10, 2006, Federal Energy Regulatory Commission (FERC) participated in NRC public workshop on draft Generic Letter • February 1, 2006, Issued Generic Letter • February 16, 2006, FERC issued Interpretive Order • April 3, 2006, Received Generic Letter responses

  5. Focus of Generic Letter 2006-02 • Generic Letter focused on Licensees’ capability to: • Monitor grid conditions to determine the operability of offsite power systems • Incorporate grid conditions in the assessment and management of risk-associated maintenance • Evaluate site-specific increases in loss of offsite power frequency and impact on station blackout

  6. Other Activities • Performed assessments of operational readiness of offsite power for nuclear power plants • Temporary Instruction 2515/165 [ML060550258] • Issued a generic communication to inform licensees of a recent NRC study on loss of offsite power events • Information Notice 2006-06 [ML053200013 • NUREG/CR-6890 [ML060200477, ML060200479, ML060200510]

  7. Current Assessment • Preliminary results of NRC assessments of operational readiness of offsite power for nuclear power plants • Initial assessment of Generic Letter responses

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