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    LSSi & FFR Hourly Volumes

    In response to a data request, the AESO is publishing historical aggregated hourly data on available, armed, and tripped volumes of Load Shed Service for import (LSSi). As of March 2022, this data includes Fast Frequency Response (FFR) data in the totals. The data is for the period January 2013 to March 2024.

    On May 7, 2024, an updated file was provided for the September 2020 to March 2024 data that corrected errors in the Armed volume column.

    LSSi & FFR Hourly Volumes