combined ACE and combined Frequency Bias Settings. Any Balancing Authority receiving BAL-001-1 R4. N/A N/A N/A The Balancing Overlap Regulation Service shall not Authority receiving have its control performance evaluated Overlap Regulation (i.e. from a control performance Service failed to ensure perspective, the Balancing Authority that control has shifted all control requirements to performance was being the Balancing Authority providing evaluated in a manner Overlap Regulation Service). consistent with the calculation methodology as described in R3. Each Balancing Authority shall BAL-001-1 E.B.1. The Balancing The Balancing The Balancing The Balancing operate such that, on a rolling Authority Authority value Authority value Authority value Area’s Area’s Area’s Area’s month basis, the average of the value of CPS1 was of CPS1 was less than of CPS1 was less than of CPS1 was less than averages of the Balancing less than 100% but 95% but greater than 90% but greater than 85%. Control Error (ACE) Authority’s Area greater than or equal or equal to 90%. or equal to 85%. divided by 10B (B is the clock-minute to 95%. average of the Balancing Authority Frequency Bias) times the Area’s corresponding clock-minute averages of the Frequency Interconnection’s Error is less than a specific limit. This limit is a constant derived from a targeted frequency bound (separately calculated for each Interconnection) that is reviewed and set as necessary by the NERC Operating Committee. See Standard for Formula. BAL-001-1 Each Balancing Authority shall limit E.B.2. N/A N/A N/A The Balancing the absolute value of IATEC, the Authority Area’s Automatic Time Error Correction term absolute value for
combined ACE and combined Frequency Bias Settings. BAL-001-1 R4. Any Balancing Authority receiving Overlap Regulation Service shall not have its control performance evaluated (i.e. from a control performance perspective, the Balancing Authority has shifted all control requirements to the Balancing Authority providing Overlap Regulation Service). N/A N/A N/A The Balancing Authority receiving Overlap Regulation Service failed to ensure that control performance was being evaluated in a manner consistent with the calculation methodology as described in R3. BAL-001-1 E.B.1. Each Balancing Authority shall operate such that, on a rolling basis, the average of the averages of the Balancing Authority’s Area Control Error (ACE) divided by 10B (B is the clock-minute average of the Balancing Authority Area’s Frequency Bias) times the corresponding clock-minute averages of the Interconnection’s Frequency Error is less than a specific limit. This limit is a constant derived from a targeted frequency bound (separately calculated for each Interconnection) that is reviewed and set as necessary by the NERC Operating Committee. See Standard for Formula. The Balancing Authority Area’s value of CPS1 was less than 100% but greater than or equal to 95%. The Balancing Authority Area’s value of CPS1 was less than 95% but greater than or equal to 90%. The Balancing Authority Area’s value of CPS1 was less than 90% but greater than or equal to 85%. The Balancing Authority Area’s value of CPS1 was less than 85%. BAL-001-1 E.B.2. Each Balancing Authority shall limit the absolute value of IATEC, the Automatic Time Error Correction term N/A N/A N/A The Balancing Authority Area’s absolute value for month
VSL_Matrix_Complete_2016_01_01.docx