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    Section 502.4

    Amendments to Section 502.4 of the ISO rules, Automated Dispatch and Messaging System Requirements (“Section 502.4”)

    Joint application approved

    In Decision 27990-D01-2023 dated Mar. 7, 2023, the AUC approved the Communication ISO Rule and Reliability Standards (amended Section 201.10; new COM-001-AB-3 and COM-002-AB-4; and Retirement of COM-001-AB1-1.1 and COM-002-AB1-2a) to be effective April 1, 2024.

    A joint application for approval of the Communication ISO Rule and Reliability Standards was submitted on Jan. 30, 2023 to the Alberta Utilities Commission (AUC). For information regarding the application, or on the status of the proceeding, please visit the AUC’s eFiling site and go to proceeding #27990.

    Please note that Section 502.4 has been renumbered to Section 201.10.


    The AESO intends to consult on the retirement of existing COM-001-AB1-1.1 and COM-002-AB1-2a; the adoption of proposed COM-001-AB-3 and COM-002-AB-4; and to consult on and file amendments to the proposed amended Section 502.4 at the same time.

    The proposed plan is as follows:

    • COM-001-AB-3: To replace COM-001-AB1-1.1 which sets out voice communication system technical and operating requirements;
    • COM-002-AB-4: To replace COM-002-AB1-2a which sets out requirements relating to operating personnel communication protocols; and
    • Proposed amended Section 502.4: To be amended to retain requirements related to Automated Dispatch and Messaging System.

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