ISO Tariff Redesign Repository

Purpose

We have developed this project page as a repository for historical information, Alberta Utilities Commission (AUC) Decisions, exhibits and more as deemed relevant by the AESO and requested by stakeholders.

As we progress through the ISO Tariff Redesign engagement, we may add more information to the table below. You can access the documents through the links below, or through the "Relevant Documents" section on this page.

AUC Proceeding	Proceeding Description	Decision / Exhibit	Decision Date / Exhibit Filing Date
N/A	1996 Electric Tariff Applications	EUB Decision U97065	1997/10/31
N/A	ESBI Alberta Ltd. 1999/2000 General Rate Application Phase 1 & Phase 2	EUB Decision 2000-1	2000/02/02
N/A	ESBI Alberta Ltd. Phase I and Phase II 1999/2000 General Rate Application Second Refiling	EUB Decision 2000-34	2000/05/26
14250	AESO 2005-2006 General Tariff Application	EUB Decision 2005-096	2005/08/29
		Exhibit 02-012-003 - AESO 2006 GTA (03) - Section 4 - Rate Design	2004/10/04
		Exhibit 02-001-002 - AESO 2005 GTA (02) - Phase I Application	2004/10/04
15134	AESO Second Refiling of 2005/2006 GTA	EUB Order 2005-464 Approving AESO 2025-2006 refiling	2005/12/20
		Application dated December 9, 2005	2005/12/09
		Appendix A — Blackline Version of Second Refiling of 2006 Tariff	2005/12/09
15832	Alberta Electric System Operator 2007 General Tariff Application	EUB Decision 2007-106	2007/12/21
		Ex. 002 - AESO 2007 GTA Section 1	2006/11/03
		Ex. 003 - AESO 2007 GTA Section 2 - Revenue Requirement	2006/11/03
		Ex. 004 - AESO 2007 GTA Section 3 - Stakeholder Consultation	2006/11/03
		Ex. 005 - AESO 2007 GTA Section 4 - Rate Design	2006/11/03
		Ex. 006 - AESO 2007 GTA Section 5 - Rate Calculations	2006/11/03
		Ex. 007 - AESO 2007 GTA Section 6 - Terms and Conditions Discussion	2006/11/03
		Ex. 008 - AESO 2007 GTA Section 7 - 2007 Proposed Tariff	2006/11/03
		Ex. 009 - AESO 2007 GTA Section 8 - Responses to Outstanding Matters	2006/11/03
530	Alberta Electric System Operator 2010 ISO Tariff	Decision 2010-606	2010/12/22
530	Alberta Electric System Operator 2010 ISO Tariff	Exhibit 0002.00.ISO-530	2010/03/05
2718	Alberta Electric System Operator 2014 ISO Tariff Application and 2013 ISO Tariff Update	Decision 2014-242	2014/08/21
		Decision 2013-325 Alberta Electric System Operator, 2013 ISO Tariff Update	2013/08/28
		Decision 2013-340 Alberta Electric System Operator, 2014 ISO Tariff Application and 2013 ISO Tariff Update, Request to Enter into a Negotiated Settlement Process	2013/09/10
		Decision 2013-421 Alberta Electric System Operator, 2014 ISO Tariff Application and 2013 ISO Tariff Update, Negotiated Settlement - Cost Causation Study	2013/11/27
		Exhibit 0002.00.AESO-2718	2013/07/17
3473	AESO 2014 ISO Tariff Compliance to Decision 2014-242	Decision 3473-D01-2015 (Corrigenda) AESO 2014 ISO Tariff Compliance Filing Pursuant to Decision 2014-242, Module 1	2015/06/02
		Decision 2014-330 Alberta Electric System Operator, 2014 ISO Tariff Compliance Filing Pursuant to Decision 2014-242, Rider J - Wind Forecasting Service Cost Recovery Rider	2014/12/03
		Decision 3473-D02-2015 Compliance with Directions 5 through 8 from Decision 2014-242	2015/08/26
		Exhibit 0002.00.AESO-3473	2014/10/20
22942	AESO 2018 ISO Tariff Application	Decision 22942-D01-2017 (Interim Approval)	2017/11/28
		Decision 22942-D02-2019	2019/09/22
		Exhibit 22942-X0002.01 AESO 2018 ISO Tariff – Application	2017/10/11
25175	2018 ISO Tariff Compliance Filing Pursuant to Decision 22942-D02-2019 and 2020 ISO Tariff Update Application	Decision 25175-D01-2020 (AESO 2020 ISO Tariff Update – Interim)	2020/02/28
		Decision 25175-D02-2020	2020/11/30
		Exhibit 25175-X0002.01 2018 ISO Tariff Compliance Filing and Update Application	2020/04/15
24116	Distribution System Inquiry	Distribution System Inquiry – Final Report	2021/02/19
24116	Distribution System Inquiry	Commission response to Distribution System Inquiry Report	2021/02/19
26911	AESO Bulk and Regional Rate Design and Modernized DOS Rate Design Application	Decision 26911-D01-2022	2022/11/10
		Exhibit 26911-X0001.03 AESO Bulk and Regional Rate Design Application	2022/05/06
		Exhibit 26911-X0536 ADC - Appendix N - ADC January 2021 Firm - Non-Firm Tariff Proposal	2022/03/28
		Exhibit 26911-X0538 Proceeding 26911 - AESO Bulk and Regional Rates - CCA Evidence - March 28, 2022	2022/03/28
		Exhibit 26911-X0541 Suncor Evidence	2022/03/28
		Exhibit 26911-X0543 DePal's Evidence (for CanREA)_incl Appendices A, B, E, and G	2022/03/28
		Exhibit 26911-X0547 DUC and IPCAA Evidence - Desiderata Energy Consulting	2022/03/28
		Exhibit 26911-X0548 DUC and IPCAA Evidence - E-Cubed	2022/03/28
		Exhibit 26911-X0558.02 ADC - Direct Evidence of Elias Soto - Similan Consulting	2022/06/06
		Exhibit 26911-X0570 2022-03-28 Intervener Evidence from ENMAX EC re AESO Bulk and Regional Rate Design Application	2022/03/28
		Exhibit 26911-X0571 Intervener Evidence from ENMAX EC to AUC Prepared by London Economics International LLP	2022/03/28
		Exhibit 26911-X0575 TCE Joint Evidence	2022/03/28
		Exhibit 26911-X0576.01 UCA Evidence - Proceeding 26911	2022/06/09
		Exhibit 26911-X0578 AML E3 Evidence	2022/03/28
		Exhibit 26911-X0582 2022-03-28 Evidence of Ralph Zarumba on behalf of ATCO Electric	2022/03/28
		Exhibit 26911-X0583 26911 VIDYA Evidence - Transmission in Context	2022/03/28
		Exhibit 26911-X0584 Evidence of Capital Power	2022/03/28
		Exhibit 26911-X0585.01 Evidence of Johannes P. Pfeifenberger and John Tsoukalis (The Brattle Group)	2022/05/02
		Exhibit 26911-X0587.01 2022-03-28 FortisAlberta Evidence on AESO's Proposed Bulk and Regional Rate Design	2022/05/25
28989	AESO Updates to Rate DOS Application	Decision 28989-D01-2024	2024/07/31
		Decision 28989-D02-2024	2024/10/23
		Exhibit 28989-X0002 AESO Updates to Rate DOS Application	2024/04/23

Transmission Development, The Right Path for Alberta, A Policy Paper (Alberta Energy Electricity Business Unit, November 2023)

Purpose

AUC Proceeding	Proceeding Description	Decision / Exhibit	Decision Date / Exhibit Filing Date
N/A	1996 Electric Tariff Applications	EUB Decision U97065	1997/10/31
N/A	ESBI Alberta Ltd. 1999/2000 General Rate Application Phase 1 & Phase 2	EUB Decision 2000-1	2000/02/02
N/A	ESBI Alberta Ltd. Phase I and Phase II 1999/2000 General Rate Application Second Refiling	EUB Decision 2000-34	2000/05/26
14250	AESO 2005-2006 General Tariff Application	EUB Decision 2005-096	2005/08/29
		Exhibit 02-012-003 - AESO 2006 GTA (03) - Section 4 - Rate Design	2004/10/04
		Exhibit 02-001-002 - AESO 2005 GTA (02) - Phase I Application	2004/10/04
15134	AESO Second Refiling of 2005/2006 GTA	EUB Order 2005-464 Approving AESO 2025-2006 refiling	2005/12/20
		Application dated December 9, 2005	2005/12/09
		Appendix A — Blackline Version of Second Refiling of 2006 Tariff	2005/12/09
15832	Alberta Electric System Operator 2007 General Tariff Application	EUB Decision 2007-106	2007/12/21
		Ex. 002 - AESO 2007 GTA Section 1	2006/11/03
		Ex. 003 - AESO 2007 GTA Section 2 - Revenue Requirement	2006/11/03
		Ex. 004 - AESO 2007 GTA Section 3 - Stakeholder Consultation	2006/11/03
		Ex. 005 - AESO 2007 GTA Section 4 - Rate Design	2006/11/03
		Ex. 006 - AESO 2007 GTA Section 5 - Rate Calculations	2006/11/03
		Ex. 007 - AESO 2007 GTA Section 6 - Terms and Conditions Discussion	2006/11/03
		Ex. 008 - AESO 2007 GTA Section 7 - 2007 Proposed Tariff	2006/11/03
		Ex. 009 - AESO 2007 GTA Section 8 - Responses to Outstanding Matters	2006/11/03
530	Alberta Electric System Operator 2010 ISO Tariff	Decision 2010-606	2010/12/22
530	Alberta Electric System Operator 2010 ISO Tariff	Exhibit 0002.00.ISO-530	2010/03/05
2718	Alberta Electric System Operator 2014 ISO Tariff Application and 2013 ISO Tariff Update	Decision 2014-242	2014/08/21
		Decision 2013-325 Alberta Electric System Operator, 2013 ISO Tariff Update	2013/08/28
		Decision 2013-340 Alberta Electric System Operator, 2014 ISO Tariff Application and 2013 ISO Tariff Update, Request to Enter into a Negotiated Settlement Process	2013/09/10
		Decision 2013-421 Alberta Electric System Operator, 2014 ISO Tariff Application and 2013 ISO Tariff Update, Negotiated Settlement - Cost Causation Study	2013/11/27
		Exhibit 0002.00.AESO-2718	2013/07/17
3473	AESO 2014 ISO Tariff Compliance to Decision 2014-242	Decision 3473-D01-2015 (Corrigenda) AESO 2014 ISO Tariff Compliance Filing Pursuant to Decision 2014-242, Module 1	2015/06/02
		Decision 2014-330 Alberta Electric System Operator, 2014 ISO Tariff Compliance Filing Pursuant to Decision 2014-242, Rider J - Wind Forecasting Service Cost Recovery Rider	2014/12/03
		Decision 3473-D02-2015 Compliance with Directions 5 through 8 from Decision 2014-242	2015/08/26
		Exhibit 0002.00.AESO-3473	2014/10/20
22942	AESO 2018 ISO Tariff Application	Decision 22942-D01-2017 (Interim Approval)	2017/11/28
		Decision 22942-D02-2019	2019/09/22
		Exhibit 22942-X0002.01 AESO 2018 ISO Tariff – Application	2017/10/11
25175	2018 ISO Tariff Compliance Filing Pursuant to Decision 22942-D02-2019 and 2020 ISO Tariff Update Application	Decision 25175-D01-2020 (AESO 2020 ISO Tariff Update – Interim)	2020/02/28
		Decision 25175-D02-2020	2020/11/30
		Exhibit 25175-X0002.01 2018 ISO Tariff Compliance Filing and Update Application	2020/04/15
24116	Distribution System Inquiry	Distribution System Inquiry – Final Report	2021/02/19
24116	Distribution System Inquiry	Commission response to Distribution System Inquiry Report	2021/02/19
26911	AESO Bulk and Regional Rate Design and Modernized DOS Rate Design Application	Decision 26911-D01-2022	2022/11/10
		Exhibit 26911-X0001.03 AESO Bulk and Regional Rate Design Application	2022/05/06
		Exhibit 26911-X0536 ADC - Appendix N - ADC January 2021 Firm - Non-Firm Tariff Proposal	2022/03/28
		Exhibit 26911-X0538 Proceeding 26911 - AESO Bulk and Regional Rates - CCA Evidence - March 28, 2022	2022/03/28
		Exhibit 26911-X0541 Suncor Evidence	2022/03/28
		Exhibit 26911-X0543 DePal's Evidence (for CanREA)_incl Appendices A, B, E, and G	2022/03/28
		Exhibit 26911-X0547 DUC and IPCAA Evidence - Desiderata Energy Consulting	2022/03/28
		Exhibit 26911-X0548 DUC and IPCAA Evidence - E-Cubed	2022/03/28
		Exhibit 26911-X0558.02 ADC - Direct Evidence of Elias Soto - Similan Consulting	2022/06/06
		Exhibit 26911-X0570 2022-03-28 Intervener Evidence from ENMAX EC re AESO Bulk and Regional Rate Design Application	2022/03/28
		Exhibit 26911-X0571 Intervener Evidence from ENMAX EC to AUC Prepared by London Economics International LLP	2022/03/28
		Exhibit 26911-X0575 TCE Joint Evidence	2022/03/28
		Exhibit 26911-X0576.01 UCA Evidence - Proceeding 26911	2022/06/09
		Exhibit 26911-X0578 AML E3 Evidence	2022/03/28
		Exhibit 26911-X0582 2022-03-28 Evidence of Ralph Zarumba on behalf of ATCO Electric	2022/03/28
		Exhibit 26911-X0583 26911 VIDYA Evidence - Transmission in Context	2022/03/28
		Exhibit 26911-X0584 Evidence of Capital Power	2022/03/28
		Exhibit 26911-X0585.01 Evidence of Johannes P. Pfeifenberger and John Tsoukalis (The Brattle Group)	2022/05/02
		Exhibit 26911-X0587.01 2022-03-28 FortisAlberta Evidence on AESO's Proposed Bulk and Regional Rate Design	2022/05/25
28989	AESO Updates to Rate DOS Application	Decision 28989-D01-2024	2024/07/31
		Decision 28989-D02-2024	2024/10/23
		Exhibit 28989-X0002 AESO Updates to Rate DOS Application	2024/04/23

Transmission Development, The Right Path for Alberta, A Policy Paper (Alberta Energy Electricity Business Unit, November 2023)

ISO Tariff Redesign Repository

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