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    Energy Trading System (ETS) Upgrade

    As part of the AESO’s periodic system maintenance, an upgrade to the underlying infrastructure of ETS will be done on November 20, 2017. There is no anticipated change to current functionality, and a notification of any temporary ETS outage, including planned duration, will be sent in real-time via ADaMS and the AIES Event Log, as per normal process.

    For information on using ETS please see the Pool Participant Manuals on the AESO website.

    If you have any questions, please call AESO FirstCall at 1-888-588-AESO(2376) during the business hours of 8 a.m. – 5 p.m. MST, Monday to Friday, or email