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    • Home
    • ISO Tariff
    • Ancillary Services Cost Allocation

    Related Projects

    Live Projects

    • REM Technical Design

      Key Dates & Materials

      July 29 | Part B: REM Modelling Workshop

      • Agenda
      • Virtual Registration

      July 28 | Part: B Modelling Workshop Presentations posted

      • AESO
      • Similan Consulting (for ADC &...
    • Amendments for the AESO Connection Process

      Important Dates

      May 29, 2025 | Consolidated Stakeholder Feedback posted

      Stakeholder Update | June 16, 2025

      The AESO appreciates and thanks stakeholders for their fulsome insights on proposed Tariff amendments...

    • ISO Tariff Redesign

      Important Dates

      July 16, 2025 | Engagement Schedule updated


      Purpose

      To align the ISO tariff with changes to transmission and market policy so that clear and stable price signals provide...

    • Internal Demand Rates

      Important Dates

      July - August, 2025 | 1-on-1 confidential interviews for the Benefit of Service Study

      • E-mail ISOTariffRedesign@aeso.ca if you are part of the economic sectors identified and would like...
    • TRP & Supply SAS

      Important Dates & Materials

      July 17, 2025 | OTP&TRP Sprint 2 Summary posted

      July 15, 2025 | Direction Letter from Minister

      June 23 - 25 | OTP & TRP Sprint...

    • Connection Costs Allocation & Investment Policy

      Important Dates

      June 27, 2025 | Interest to Participate due (scroll to the bottom of the page to submit)

      Purpose

      The AESO is reviewing the current allocation of...

    Archived Projects

    • ISO Tariff Redesign Pre-Engagement

      Pre-engagement Outcome

      We thank all stakeholders for providing their valuable input on our Discussion Board. We have put together a Pre-engagement Directional Summary, and will provide more insight at...

    • ISO Tariff Redesign Repository

      Purpose

      We have developed this project page as a repository for historical information, Alberta Utilities Commission (AUC) Decisions, exhibits and more as deemed relevant by the AESO and requested by...