Optimal Transmission Planning (OTP)

Important Materials & Deadlines

July 17 | OTP & TRP Sprint 2 Summary Posted

July 15 | Minister Direction Letter Posted

June 20 | OTP & TRP Sprint Week 2 ...

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...

Ancillary Services Cost Allocation

Important Materials and Dates

June 17 - 20, 2025 | Discussion at REM Design Finalization Week 4

May 12, 2025 | Engagement Schedule updated

April 1, 2025 | Consolidated Stakeholder...

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...

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...

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...