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Alberta Electric System Operator Approval of Retirement for Alberta Reliability Standard VAR-002-WECC-AB-1, AUC Decision 26542-D01-2021

Link to Decision Summarized

Electricity – Markets

In this decision, pursuant to subsection 19(6) of the Transmission Regulation, and based on the recommendation of the Alberta Electric System Operator (“AESO”), the AUC approved the retirement of VAR-002-WECC-AB-1, effective as of June 16, 2021.


Pursuant to subsection 19(4)(b) of the Transmission Regulation, the AESO forwarded a recommendation to approve the retirement of existing Alberta Reliability Standard VAR-002-WECC-AB-1, Automatic Voltage Regulators and Voltage Regulating Systems, to the AUC.

Subsections 19(5) and 19(6) of the Transmission Regulation require that the AUC approve or refuse to approve each reliability standard in accordance with the recommendation of the AESO unless an interested person satisfies the AUC that the AESO’s recommendation is technically deficient, or not in the public interest. Following the notice of application issued by the AUC, no such claims were submitted.

AUC Findings and Decision

The AESO is required to consult with the market participants it considers likely to be affected by the adoption or creation of reliability standards, according to subsection 19(4) of the Transmission Regulation. The AESO is also required to forward the proposed reliability standard to the AUC for review, with a recommendation that the AUC approve or reject them. The AUC found that the AESO had met these requirements.

The AESO forwarded the proposed retirement of VAR-002-WECC-AB-1 to the AUC with a recommendation to approve the retirement. No interested party filed an objection with the AUC indicating that the retirement of VAR-002-WECC-AB-1 is either technically deficient or not in the public interest.

The AUC accordingly approved the retirement based on the recommendation and pursuant to subsection 19(6) of the Transmission Regulation.

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