calculation of ACE occur at least calculation of ACE every six seconds. occurred at least every six seconds. BAL-005-0.2b R8.1. Each Balancing Authority shall N/A N/A N/A The Balancing provide redundant and independent Authority failed to frequency metering equipment that provide redundant and shall automatically activate upon independent frequency detection of failure of the primary metering equipment source. This overall installation shall that automatically provide a minimum availability of activated upon 99.95%. detection of failure, such that the minimum availability was less than 99.95%. BAL-005-0.2b R9. The Balancing Authority shall include N/A N/A N/A The Balancing all Interchange Schedules with Authority failed to Adjacent Balancing Authorities in the include all Interchange calculation of Net Scheduled Schedules with Interchange for the ACE equation. Adjacent Balancing Authorities in the calculation of Net Scheduled Interchange for the ACE equation. BAL-005-0.2b R9.1. Balancing Authorities with a high N/A N/A N/A The Balancing voltage direct current (HVDC) link to Authority with a high another Balancing Authority voltage direct current connected asynchronously to their (HVDC) link to Interconnection may choose to omit another Balancing the Interchange Schedule related to Authority connected the HVDC link from the ACE asynchronously to its equation if it is modeled as internal Interconnection chose generation or load. to omit the Interchange Schedule related to the HVDC link from the ACE equation, but failed to model it as
calculation of ACE occur at least every six seconds. calculation of ACE occurred at least every six seconds. BAL-005-0.2b R8.1. Each Balancing Authority shall provide redundant and independent frequency metering equipment that shall automatically activate upon detection of failure of the primary source. This overall installation shall provide a minimum availability of 99.95%. N/A N/A N/A The Balancing Authority failed to provide redundant and independent frequency metering equipment that automatically activated upon detection of failure, such that the minimum availability was less than 99.95%. BAL-005-0.2b R9. The Balancing Authority shall include all Interchange Schedules with Adjacent Balancing Authorities in the calculation of Net Scheduled Interchange for the ACE equation. N/A N/A N/A The Balancing Authority failed to include all Interchange Schedules with Adjacent Balancing Authorities in the calculation of Net Scheduled Interchange for the ACE equation. BAL-005-0.2b R9.1. Balancing Authorities with a high voltage direct current (HVDC) link to another Balancing Authority connected asynchronously to their Interconnection may choose to omit the Interchange Schedule related to the HVDC link from the ACE equation if it is modeled as internal generation or load. N/A N/A N/A The Balancing Authority with a high voltage direct current (HVDC) link to another Balancing Authority connected asynchronously to its Interconnection chose to omit the Interchange Schedule related to the HVDC link from the ACE equation, but failed to model it as
VSL_Matrix_Complete_2016_01_01.docx