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    • ISO Tariff
    • ISO Tariff Redesign

    Related Projects

    Live Projects

    • REM Technical Design

      Important Dates & Materials

      September 5 | REM ISO Rules Engagement information

      August 27 | Materials posted

      • REM Final Design
      • R30 Demand Curve Workbook and Instructions
      • MPA Assessment of Creditor...
    • Amendments for the AESO Connection Process

      Important Materials & Key Dates

      November 20 | Stakeholder feedback due

      October 20 | TRP & Amendments for the AESO Connection Process Workshop Presentation posted

      • October 27 | "Immediate Next...
    • Ancillary Services Cost Allocation

      Important Dates & Materials

      Postponed | October 21 - 22 | AS Cost Allocation Workshop

      September 17 - October 10 | Discussion Board open


      Oct. 8, 2025 | Stakeholder Update

      ...

    • Internal Demand Rates

      Important Materials & Dates

      Dec. 10 | BOSS Stakeholder Session Registration

      Dec 4&5 | COSS Stakeholder Session Registration (two half-days)

      • Dec. 4 - Part 1
      • Dec. 5 - Part 2

      ...

    • TRP & Supply SAS

      Important Dates & Materials

      October 20 | TRP & Amendments for the AESO Connection Process Workshop Presentation posted

      • October 27 | "Immediate Next Steps" slide updated

      Purpose

      To develop (with...

    • 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...

    • 2025 Engagement Plan

      Important Information

      October 17, 2025 | Updated 2025 Engagement Plan posted


      January - June 2025



      Purpose

      To improve transparency and facilitate stakeholder participation, the AESO is sharing its roadmap of...

    Archived Projects

    • Tariff Evolution Roundtable & World Cafe

      Engagement Outcomes

      We thank all stakeholders for their significant contributions to this initiative. Following this, the AESO initiated the "Energy Storage Working Group", who successfully dealt with Rate...

    • DOS Engagement (formerly the Energy Storage Tariff Working Group)

      Engagement Outcomes

      In Decision 28989-D01-2024, dated July 31, 2024, the AUC approved the AESO's application. Rate DOS and related amendments to the ISO tariff and definitions will come into effect...

    • 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...