Your browser is no longer supported

To get the best experience with, we suggest using a newer version of Internet Explorer/Edge, or using another supported browser such as Google Chrome.

ETS users may continue to log in using Internet Explorer 9 using the upper right hand link marked ETS Login.

    View all stakeholder engagements

    Section 502.4

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

    Recent posted materials


    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.

    If you have any other questions, please contact  and subscribe to our stakeholder newsletter for updates.