Historical Key Dates
August 2025 → June 2026
Historical Key Dates
- June 24, 2026 | Stakeholder Feedback Due on FAC-002 and FAC-008
- May 22, 2026 | High Complexity ARS Sync Up Standards Stakeholder Feedback Due
- May 15, 2026 | Milestone 3 ARS Sync Up Standards Stakeholder Feedback Due
- May 14, 2026 | ARS Sync Up (RSW) Workshop Session Summary Posted
- April 21, 2026 | ARS Sync Up (RSW) Workshop Presentation Posted
- March 19, 2026 | Milestone 3 ARS Sync Up Standards Consultation Letterand supporting material posted
- Clean copies of proposed Milestone 3 ARS Sync Up Standards;
- Blackline copies of proposed Milestone 3 ARS Sync Up Standards compared to NERC's current version of the reliability standard;
- Blackline copies of proposed Milestone 3 ARS Sync Up Standards compared to the AESO's current version of the reliability standard;
- Milestone 3 Reliability Standards Sync Up Project Concordance Document; and
- Milestone 3 Reliability Standards Sync Up Project Rationale for Deviations from NERC-WECC Reliability Standards.
- February 6, 2026 | Letter to MSA re Submission on AESO Reliability Standards Sync Up Project
- February 5, 2026 | High Complexity ARS Sync Up Standards Consultation Letterand supporting materials posted
- Clean copies of proposed High Complexity ARS Sync Up Standards;
- Blackline copies of proposed High Complexity Sync Up Standards compared to the AESO’s current version of the reliability standard;
- Blackline copies of proposed High Complexity Sync Up Standards compared to NERC’s current version of the reliability standard;
- Reliability Standards Sync Up Project Concordance Document; and
- Reliability Standards Sync Up Project Rationale for Deviations from NERC-WECC Reliability Standards.
- January 16, 2026 | AESO Ltr Re Sync Up Project NERC Milestone 3 Standards Package posted
- August 1 | July 2025 ARS Program Work Plan Stakeholder Comment FAQ document posted
June → September 2026
Historical Key Dates
- July 27, 2026 | Supplemental High Complexity ARS Sync Up Standards Stakeholder Responses Posted
- July 24, 2026 | Stakeholder Feedback Due for Supplemental High Complexity ARS Sync Up Standards
- July 3, 2026 | Supplemental High Complexity ARS Sync Up Standards Consultation Letterand supporting materials posted
- Clean copies of proposed Supplemental High Complexity ARS Sync Up Standards;
- Blackline copy of proposed Supplemental High Complexity ARS Sync Up Standard compared to the AESO's current version of the reliability standard;
- Blackline copies of proposed Supplemental High Complexity Sync Up Standards compared to NERC's current version of the reliability standard;
- Supplemental High Complexity ARS Sync Up Project Concordance Document; and
- Supplemental High Complexity ARS Sync Up Project Rationale for Deviations from NERC-WECC Reliability Standards.
- June 30, 2026 | On June 30, 2026, the AESO filed a Forwarding Notice with the Alberta Utilities Commission (AUC) recommending the adoption of the proposed new and amended Alberta reliability standards and retirement of existing Alberta reliability standards pursuant to Section 19 of the Transmission Regulation.
The Forwarding Notice and all associated appendices can be viewed under Proceeding 30928 on the eFiling section of the AUC website.