Key Dates
Key Dates Archive
Jan 21, 2026 | Stakeholder feedback on Cost and Benefit of Service studies due
Dec. 10 | Benefit of Service Study Hybrid Stakeholder Session Registration
- Please request to attend in-person by Dec. 2, 2025
Dec 4&5 | Cost of Service Study Hybrid Stakeholder Session Registration (two half-days)
- Dec. 4 - Part 1
- Dec. 5 - Part 2
- Please request to attend in-person by Nov. 26, 2025
Nov. 17 | Materials posted
- AESO Cover Letter - Interim Draft Study Reports
- Cost of Service Studies Executive Summary
- Cost of Service Studies Interim Draft Report
- Benefit of Service Study Interim Draft Report
- Stakeholder feedback questions for Cost of Service Studies (scroll down to view)
- Stakeholder feedback questions for Benefit of Service Study (scroll down to view)
Oct. 22-23 | MCOSS at the TRP & Amendments for the Connection Process Workshop
July - August, 2025 | 1-on-1 confidential interviews for the Benefit of Service Study
- E-mail ISOTariffRedesign@aeso.ca if you would like to participate
July 16, 2025 | Materials posted
July 9, 2025 | Consultant Information Posted
- Benefit of Service Study Consultant Info. & Methodology
- Cost of Service Study Consultant Info.
June 4, 2025 | Consolidated stakeholder feedback on Draft Hypothesis Statements posted (directional summary to follow)
May 7, 2025 | Updated Draft Hypothesis Statements posted
May 1, 2025 | April 30 stakeholder session recording posted
April 30, 2025 | Stakeholder Session registration
April 16, 2025 | April 30 session presentation and Draft Hypothesis Statements posted
April 9, 2025 | Consolidated Stakeholder Feedback posted
April 3, 2025 | Stakeholder Feedback due
March 14, 2025 | Preliminary Consultant Statements of Work posted
March 5, 2025 | ISO Tariff Redesign Workstreams Kick-off information session