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Evaluation of Most Severe Single Contingency

Consultation has concluded

Purpose and Conclusion

The purpose of this engagement was to inform industry on the Most Severe Single Contingency (MSSC) in Alberta, what it is and its current limits, and to report on the AESO’s recent analysis of the MSSC in an Evaluation of the Most Severe Single Contingency Options Paper (MSSC Options Paper). Stakeholder suggestions and feedback on the MSSC Options Paper were considered in the AESO's decision on whether to change the MSSC limit in Alberta.

The AESO announced its decision at the June 27, 2023, Stakeholder Symposium. For a complete overview of the decision, please refer to slides 37-41 of the presentation that was delivered at the Symposium, which can be found under AESO Materials in the Decision Announcement folder.

Purpose and Conclusion

The purpose of this engagement was to inform industry on the Most Severe Single Contingency (MSSC) in Alberta, what it is and its current limits, and to report on the AESO’s recent analysis of the MSSC in an Evaluation of the Most Severe Single Contingency Options Paper (MSSC Options Paper). Stakeholder suggestions and feedback on the MSSC Options Paper were considered in the AESO's decision on whether to change the MSSC limit in Alberta.

The AESO announced its decision at the June 27, 2023, Stakeholder Symposium. For a complete overview of the decision, please refer to slides 37-41 of the presentation that was delivered at the Symposium, which can be found under AESO Materials in the Decision Announcement folder.

  • CLOSED: This survey has concluded.

    Stakeholder Feedback

    Instructions

    1. To submit your feedback, you will need to be registered and signed in on the AESO Engage platform.
    2. Please click on the "Complete Stakeholder Feedback" box below to begin the survey and provide your specific comments. 
    3. There is an option for you to upload documents at the end of the survey
    4. Please submit one completed Stakeholder Feedback Survey per organization.
    5. Stakeholder Feedback Survey results will be posted on AESO Engage, in their original state.
    6. Responses due on or before Nov. 30, 2022. 


    Stakeholder Feedback Questions

    1. Please provide us feedback on the Islanded MSSC Limit options and the related mitigation solutions.  Please include your rationale for your feedback.
    2. Please provide us feedback on the interconnected MSSC Limit options and the related mitigation solutions.  Please include your rationale for your feedback. 
    3. Describe any additional solutions that have not been discussed.  Include how the solution(s) will address the issues on the AIES outlined in the MSSC Options paper and how the solution(s) align with the evaluation principles.
    4. Do you require additional clarity on any aspect or component of the MSSC Options Paper? If so, please specify.
    5. Upload any relevant documents to support the feedback you shared above.
    Consultation has concluded