Your browser is no longer supported

To get the best experience with www.aeso.ca, 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.

    Notification of API Changes

    The AESO’s Application Programming Interface (API) allows AESO data to be accessed programmatically, providing for more reliability.

    We have made multiple public reports available through APIs and continue to add more. The Swagger API Gateway will no longer be accessible after March 31, 2025 and all APIs have migrated to the Azure APIM Gateway.

    The list of APIs migrating to Azure APIM are as follows:

    • Interchange Outage Report – For all the outages affecting TTCs on interties/ flowgates
    • Interchange Capability Report – For intertie capability data
    • Pool Price Report – For Pool Price data 
    • System Marginal Price Report – For System Marginal Price data
    • Pool Participant API – For the latest list of Pool Participants operating in AIES
    • Operating Reserve Offer Control Report – For Operating Reserve Offer Control data
    • Metered Volume Report – For AIES Metered Volume data
    • Energy Merit Order Report – For Energy Merit Order snapshot data
    • Actual Forecast Report – For Actual Forecast data
    • Current Supply Demand – For AIES’s latest supply & demand summary and generation data for all assets above 5MW
    • Asset List API – For the latest list of assets connected to AIES API
    • Unit Commitment Data API – Unit Commitment Directives

    Access Instructions