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  • ISO Tariff
  • ISO Tariff Redesign

Related Projects

Live Projects

  • REM Technical Design

    Engagement Outcome

    Thank you for your valuable contributions to the Restructured Energy Market (REM) Design. Following highly collaborative stakeholder engagements since 2023, the REM design was finalized and published in...

  • Amendments for the AESO Connection Process

    Important Dates & Materials

    May 6 | Combined TRP & Amendments for the Connection Process stakeholder feedback posted

    Stakeholder Update | June 29, 2026

    Due to complex interdependencies discovered through...

  • Ancillary Services Cost Allocation

    Purpose

    To discuss the most appropriate cost allocation for new ancillary services (AS) proposed as part of the Restructured Energy Market (REM), as well as existing ancillary service products, engage...

  • Internal Demand Rates

    Important Dates & Materials

    June 30 | Consolidated stakeholder feedback posted

    June 8 | Materials posted

    • Workshop 2 Appendix - Detailed Bill Impacts at Customer Cohort Level
    • Workshop 2 recordings...
  • TRP and Supply SAS

    Important Dates & Materials

    Aug. 20 | TRP Base Rate Stakeholder Session

    Aug. 7 | Interest to Participate Due | TRP Base Rate Stakeholder Session (scroll down to submit)

    May...

  • Tariff Connection Obligations

    Important Dates & Materials

    July 7 | Stakeholder Update (below)

    June 16 - 18 | Working Group 2 Presentation

    May 6 - 8 | Working Group 1

    • Presentation (with Case...
  • Engagement Plan

    Important Information

    June 30, 2026 | Updated 2026 Engagement Plan (full year) posted




    Purpose

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

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...