ACT environment

Proceeding 23778  Register

Application status: under review

Commencement of virtual hearing: January 18, 2024, starting at 10 a.m.

Decision expected: Winter 2024

Watch an AUC hearing

Overview

The Alberta Utilities Commission (AUC), the independent utilities regulator, will be holding a hearing to review the applications and submissions received concerning the TransAlta Sundance Unit 1 and 2 decommissioning costs in Proceeding 23778. The AUC issued a procedural ruling and modified procedural schedule on December 22, 2023.

Further information about the proceeding is available through the AUC’s eFiling System under Proceeding 23778.

Hearing Information

The AUC will be holding a hearing to review the application and submissions received in Proceeding 23778. The hearing will commence on January 18, 2024, at 10 a.m.

To learn more about the review process, or for more information about how you may become involved in this proceeding, please contact us or visit the following webpages:

Summarized process schedule

The AUC has established the following process to consider the applications:

Process step Date
TransAlta responses to the Balancing Pool’s
October 13, 2023 information requests in
relation to the Fifth Amended Stantec Report
and the Balancing Pool’s July 5, 2023
information requests
October 25, 2023
Balancing Pool files motion for further and
better information responses, if necessary
November 1, 2023
Commission ruling on further and better
responses, if necessary
November 7, 2023
Further and better responses, if necessary November 14, 2023
Will-say statements, if applicable November 20, 2023
Balancing Pool files any necessary evidence in
response to the Fifth Amended Stantec Report
December 1, 2023
Joint proposed hearing schedule December 4, 2023
Joint proposed hearing schedule December 7, 2023
Joint exhibit list December 11, 2023
TransAlta files letter on witnesses and time
estimates, if necessary (required only if the
December 4, 2023 filing is not made or upon
further Commission direction)
December 11, 2023
Balancing Pool and the UCA file letters on
witnesses and time estimates, if necessary
(required only if the December 4, 2023 filing is
not made or upon further Commission direction)
December 12, 2023
TransAlta files letter on time estimates for
Balancing Pool witnesses, if necessary (required
only if the December 4, 2023 filing is not made
or upon further Commission direction)
December 13, 2023
Briefs of law (75 pages) December 14, 2023
Written opening statements January 4, 2024
Oral hearing
  • January 18-19, 2024
  • January 22-26, 2024
  • February 8-9, 2024
  • February 12-16, 2024
  • February 28 – March 1, 2024
Written argument and reply, and oral argument Dates and details to be provided following
the evidentiary portion of the hearing

The eFiling System​

The eFiling System should be accessed to view the applications and the other documents the AUC will be considering in this proceeding. The system is also used to file submissions and evidence to participate in the proceeding.

To create an account, select “New account” and follow the steps to create a user ID and password. If you have any questions about how to use the system please contact us at info@auc.ab.ca or 310-4AUC.

Documents being considered in this proceeding can be found in the eFiling​ System (which requires log in). Once you have logged in, enter 23778 in the “go to” section at the top left corner of your screen.​

TransAlta Sundance Unit 1 and 2 Decommissioning Costs