August Highlights of Alberta's Generation Sector

• The AUC issued Bulletin 2020-30 requesting feedback on the revised draft version of AUC Rule 007 and interim changes to the AUC participant involvement program.

• TransAlta received AUC approval (AUC Proceeding 25745-D01-2020) to retire the 390 MW Sundance 3 effective July 31, 2020. In December, 2018 the AUC had approved (AUC Proceeding 23807) the conversion of Sundance 3 to gas fired operations.

• EPCOR Water Services Inc. submitted a letter of enquiry (AUC Proceeding 25770) to the AUC to add a 4MW/8.9MWh battery to its 12 MW E.L. Smith solar farm.

• The AUC issued a process proposal for AUC Proceedings 25175, 25058, 25101, 25102 considering ISO tariff provisions related to distribution connected generation.

• The AESO is holding the first session for its 2021 Budget Review Process on August 11, 2020 and issued a Stakeholder Comment Matrix, due August 21, 2020, for proposed amendments to Section 505.2 of the ISO Rules, Performance Criteria for Refund of Generating Unit Owner's Contribution.