Purpose

Pursuant to Alberta Utilities Commission Rule 017, Procedures and Process for Development of ISO Rules and Filing of ISO Rules with the Alberta Utilities Commission (“AUC Rule 017”), the AESO is seeking stakeholder feedback related to the proposed amendment to the “inflexible block” definition. The Stakeholder Feedback Survey will be open for comments on AESO Engage until May 19, 2026. For additional information, please see the April 24, 2026 Letter of Notice.

We value Stakeholder input and invite all interested stakeholders to provide their comments on, or raise any concerns with, the proposed amendment to the “inflexible block” definition.

Responses to Stakeholder Comments

In accordance with AUC Rule 017, the AESO will post all comments it receives, provide written responses, and post those responses on AESO Engage.

Materials

View Letter of Notice for Development prior to providing feedback, which can be found in the AESO Materials section.

Instructions

1. To submit your responses, you must be registered and signed in on the AESO Engage platform.
2. Please click on the "Submit Stakeholder Feedback" box below to begin the survey and provide your specific comments.
3. Please submit one completed survey per organization.
4. All responses will be shared on AESO Engage.
5. Responses are due by 4:00 p.m. MT on May 19, 2026.

Stakeholder Questions:

1. Do you have any feedback on the AESO’s proposed amendment to the definition of “inflexible block” set out in the CADG of the ISO rules?