Compliance Assessment R1 Requirement & Measure Evidence Submission Evidence Description Evidence Assessment Approach Auditor Notes R1 Each legal owner of a transmission facility, legal AR1 Please provide: owner of a generating unit, legal owner of an Review the list provided at AR1(i) for (i) a list of all applicable transmission aggregated generating facility, operator of a appropriateness. system elements and RAS under transmission facility, operator of a generating unit the purview of this reliability and operator of an aggregated generating facility standard throughout the audit must ensure that its system operators and protection period; personnel analyze all protection system and RAS operations as follows: (ii) a list of all trippings of transmission Review the list provided at AR1(ii) for and system elements RAS appropriateness. MR1 Measures for this requirement are identified in the operations during the audit period; subsections below. Review attestation letters, if any, for or appropriateness. if no trippings occurred during the audit period, an attestation letter to this effect; (iii) a list of all misoperations that Review the list provided at AR1(iii) for were identified during the audit appropriateness. period; this list should include the date and time of each misoperation and the date and Review attestation letters, if any, for time when each misoperation was appropriateness. identified. or if no misoperations were identified throughout the audit period, an attestation letter to this effect. R1.1 Each operator of a transmission facility, AR1.1 Please Review the AR1.1 evidence to determine provide:” operator of a generating unit and operator of an whether the reviews were completed and evidence of the transmission system aggregated generating facility must review all tripping the apparent misoperations, if any, were elements tripping reviews for of transmission system elements and RAS operations identified within 24 hours. identification of the apparent to identify apparent misoperations within 24 hours. misoperation, including the date and time when this review was completed. MR1.1 Documentation exists that confirms a review was completed within the timelines as specified in requirement R1.1.
Compliance Assessment R1 Requirement & Measure Evidence Submission Evidence Description Evidence Assessment Approach Auditor Notes R1 Each legal owner of a transmission facility, legal owner of a generating unit, legal owner of an aggregated generating facility, operator of a transmission facility, operator of a generating unit and operator of an aggregated generating facility must ensure that its system operators and protection personnel analyze all protection system and RAS operations as follows: MR1 Measures for this requirement are identified in the subsections below. AR1 Please provide: Review the list provided at AR1(i) for appropriateness. (i) a list of all applicable transmission system elements and RAS under the purview of this reliability standard throughout the audit period; (ii) a list of all trippings of transmission system elements and RAS operations during the audit period; or if no trippings occurred during the audit period, an attestation letter to this effect; Review the list provided at AR1(ii) for appropriateness. Review attestation letters, if any, for appropriateness. (iii) a list of all misoperations that were identified during the audit period; this list should include the date and time of each misoperation and the date and time when each misoperation was identified. or if no misoperations were identified throughout the audit period, an attestation letter to this effect. Review the list provided at AR1(iii) for appropriateness. Review attestation letters, if any, for appropriateness. R1.1 Each operator of a transmission facility, operator of a generating unit and operator of an aggregated generating facility must review all tripping of transmission system elements and RAS operations to identify apparent misoperations within 24 hours. MR1.1 Documentation exists that confirms a review was completed within the timelines as specified in requirement R1.1. AR1.1 Please provide:” evidence of the transmission system elements tripping reviews for identification of the apparent misoperation, including the date and time when this review was completed. Review the AR1.1 evidence to determine whether the reviews were completed and the apparent misoperations, if any, were identified within 24 hours.
PRC-004-WECC-AB1-1-RSAW2.docx