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

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ISO Tariff Redesign

Purpose

To align the ISO tariff with changes to transmission and market policy so that clear and stable price signals provide investors with certainty and information needed for effective decision-making.

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TRP & Supply SAS

Important Dates & Materials

November 26 | TRP Methodology feedback due (scroll down to submit)

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

• ...

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...

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...