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    Historical Supply Adequacy and Supply Cushion Web Codes

    In response to a data request, the AESO is publishing the web codes (as defined on the ETS report Supply Adequacy & Market Supply Cushion report) for Supply Adequacy (January 2019 to February 2026) and Supply Cushion (June 2024 to February 2026).  The web codes are the last ones forecast for a given historical hour. The historical hour, version timestamp and web code are included in the data. Currently, there are no plans to provide further updates to this information.

    If you have any questions or comments, please contact the Market Analytics department at market.analysis@aeso.ca.