adjustments within recalculations and recalculations and 120 days. adjustments within adjustments within 150 days. 180 days. R3 Real-Time Medium The Balancing The Balancing The Balancing The Balancing Operations Authority operated Authority operated Authority operated Authority operated during a calendar during a calendar during a calendar during a calendar quarter without quarter without quarter without quarter without ATEC in service for ATEC in service for ATEC in service for ATEC in service for more than an more than an more than an more than an accumulated 24 accumulated 72 accumulated 120 accumulated 168 hours, but less than hours, but less than hours, but less than hours. or equal to 72 or equal to 120 or equal to 168 hours. hours. hours R4 Operations Medium The Balancing The Balancing The Balancing The Balancing Authority did not Authority did not Authority did not Authority did not compute PIIhourly, compute PIIhourly, compute PIIhourly, compute PIIhourly, PIIaccum, and PIIaccum, and PIIaccum, and PIIaccum, and IATEC within 50 IATEC within two IATEC within four IATEC within six minutes, but made hours, but made the hours, but made the hours. the required required calculations required calculations calculations in less in less than or equal in less than or equal than or equal to two to four hours. to six hours. hours. R5 Real-Time Medium N/A N/A N/A The Balancing Operations Authority is not able to change its AGC operating mode
adjustments within 120 days. recalculations and adjustments within 150 days. recalculations and adjustments within 180 days. R3 Real-Time Operations Medium The Balancing Authority operated during a calendar quarter without ATEC in service for more than an accumulated 24 hours, but less than or equal to 72 hours. The Balancing Authority operated during a calendar quarter without ATEC in service for more than an accumulated 72 hours, but less than or equal to 120 hours. The Balancing Authority operated during a calendar quarter without ATEC in service for more than an accumulated 120 hours, but less than or equal to 168 hours The Balancing Authority operated during a calendar quarter without ATEC in service for more than an accumulated 168 hours. R4 Operations Medium The Balancing Authority did not compute PIIhourly, PIIaccum, and IATEC within 50 minutes, but made the required calculations in less than or equal to two hours. The Balancing Authority did not compute PIIhourly, PIIaccum, and IATEC within two hours, but made the required calculations in less than or equal to four hours. The Balancing Authority did not compute PIIhourly, PIIaccum, and IATEC within four hours, but made the required calculations in less than or equal to six hours. The Balancing Authority did not compute PIIhourly, PIIaccum, and IATEC within six hours. R5 Real-Time Operations Medium N/A N/A N/A The Balancing Authority is not able to change its AGC operating mode
WECC-0124%20BAL-004-WECC-3%20ATEC%20Attachment%20B%20-%20Clean%20Existing%20V2.docx