Reliability Standard: NUC-001-2
Issue: Virginia Electric and Power Company (VEPCO), as a TO, self-reported that on November 6, 2010 it lost the ability to assess the operation of the electric system affecting the Nuclear Plant Interface Requirements and it did not contact the Nuclear Power Generator Operators within 15 minutes as required.
Finding: SERC found that this issue constituted only a minimal risk to the BPS. The Nuclear Power Generator Operators were continuously monitoring the situation and were able to respond to alarms. In addition, the Nuclear Power Generator Operators were notified within an hour, and the ability to assess the operation was restored within 66 minutes.