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    Revision to Cost of Constraint report

    On July 13, 2019, an error was published in the Estimated Cost of Constraint report on the AESO website for the Hour Ending (HE) 16. The report incorrectly indicated that a constraint event occurred. The report will be corrected and an updated version will be posted August 2, 2019.
    If you have any questions, please contact AESO FirstCall at 1-888-588-AESO (2376) during the business hours of 8 a.m. – 5 p.m. MDT, Monday to Friday, or email