REM Technical Design
Important Materials and Dates
April 23 | REM Design Finalization Session 3 Summary posted
Purpose
We have embarked on a multi-phased engagement with industry stakeholders to advance work on the new market design. It is comprised of a series of information sessions, written feedback cycles, and design sessions (sprints) to dive deeper into each workstream to explore and consider stakeholder perspectives and inputs prior to beginning the rules consultation process.
We will strive to ensure overall alignment with the stated REM objectives of:
- Reliability
- Affordability
- Decarbonization by 2050
- Reasonable implementation
Important Materials and Dates
April 23 | REM Design Finalization Session 3 Summary posted
Purpose
We have embarked on a multi-phased engagement with industry stakeholders to advance work on the new market design. It is comprised of a series of information sessions, written feedback cycles, and design sessions (sprints) to dive deeper into each workstream to explore and consider stakeholder perspectives and inputs prior to beginning the rules consultation process.
We will strive to ensure overall alignment with the stated REM objectives of:
- Reliability
- Affordability
- Decarbonization by 2050
- Reasonable implementation
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Level of Engagement
Consult: Gather input and feedback from stakeholders
Refer to the AESO’s Engagement Framework for our approach to engagement
2025 AESO Materials
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REM Design Finalization Week 3 - Summary (Posted April 23 2025) (175 KB) (pdf)
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AESO REM DFS - Week 3 Presentation (Posted April 10 2025) (1.41 MB) (pdf)
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REM Design Finalization Week 3 Agenda (Posted April 4 2025) (131 KB) (pdf)
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REM Acronym List (Updated April 3 2025) (153 KB) (pdf)
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E3 REM Updated Scenarios (Updated March 28 2025) (1.29 MB) (pdf)
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E3 REM Data File (Posted March 14 2025)
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REM Design Finalization Week 2 Materials
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Design Finalization Session Week 2 - Summary (Posted March 28 2025) (231 KB) (pdf)
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REM Design Finalization Sessions Week 2 Presentation (Updated March 21 2025) (4.67 MB) (pdf)
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REM Design Finalization Week 2 Agenda Final (Updated March 14 2025).pdf (264 KB) (pdf)
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Load Participation Pre Read (Posted March 14 2025) (698 KB) (pdf)
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Generation Participation Pre Read (Posted March 14 2025) (744 KB) (pdf)
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Storage Participation Pre Read (Posted March 14 2025) (695 KB) (pdf)
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Intraday Unit Commitment Process (Posted March 14 2025) (148 KB) (pdf)
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REM Design Finalization Week 1 Materials
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REM Design Finalization Session Week 1 - Written Feedback (Posted March 7 2025) (221 KB) (docx)
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Design Finalization Session Week 1 - Summary (Posted March 7 2025) (441 KB) (pdf)
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AESO REM DFS - Week 1 Presentation (Posted Feb. 28 2025) (3.93 MB) (pdf)
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REM Design Finalization Week 1 Agenda (280 KB) (pdf)
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REM Technical Design - 2025 Engagement Schedule (Posted March 5 2025) (69.3 KB) (png)
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Issue Prioritization Session Agenda (Feb 11 2025) (153 KB) (pdf)
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AESO CAM Overview for CanREA _Posted_ Jan. 8_ 2025_ (7.13 MB) (pptx)
2024 AESO Materials
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REM High-Level Design
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Information Sessions
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REM Stakeholder Information Session 12122024 [Posted: Dec. 12, 2024] (1.74 MB) (pdf)
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Oct. 28 REM Stakeholder Information Session Presentation [Posted: Oct. 25, 2024] (3.57 MB) (pdf)
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Sept. 5 Information Session Presentation [Posted: Aug. 28, 2024] (1.41 MB) (pdf)
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July 18, 2024 REM Industry Update Information Session Presentation [Posted: July 11, 2024] (1.2 MB) (pdf)
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REM Design Sprint Materials Fall 2024
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REM Design Sprint 6 Summary [Posted: Dec. 11, 2024] (256 KB) (pdf)
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REM Design Sprint 6 - Days 1 - 4 Presentation [Posted: Nov.28, 2024] (4.69 MB) (pdf)
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Sprint 6 Agenda - Updated [Posted: Nov. 26, 2026] (194 KB) (pdf)
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REM Design Sprints 4 & 5 Summary [Posted: Nov. 18, 2024] (394 KB) (pdf)
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Sprint 5 - Stakeholder Presentations [Posted Nov. 18, 2024] (365 KB) (pdf)
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REM Design Sprint 5 - Days 2-3 Presentation [Posted: Nov. 7, 2024] (3.58 MB) (pdf)
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REM Design Sprint 5 Agenda [Posted: Oct. 30, 2024] (282 KB) (pdf)
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REM Design Sprint 4 - Days 1-4 Presentation [Posted: Nov. 1, 2024] (3.03 MB) (pdf)
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REM Design Sprint 4 - Detailed Agenda [Posted: Oct. 16, 2024] (170 KB) (pdf)
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REM Design Sprint 3 Summary [Posted: Oct. 16, 2024] (347 KB) (pdf)
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REM Design Sprint 1 and 2 Summary [Posted: Sept. 27, 2024] (427 KB) (pdf)
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REM Design Sprint 3 - Days 1-4 Presentation [Posted: Oct.4, 2024] (1.56 MB) (pdf)
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REM Design Sprint 3 - Detailed Agenda (REVISED) [Posted: Oct. 3, 2024] (293 KB) (pdf)
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REM Design Sprint 2 - Days 1-4 Presentation [Posted: Sept. 20, 2024] (877 KB) (pdf)
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REVISED REM Design Sprint 2 - Detailed Agenda [Posted: Sept. 17, 2024] (302 KB) (pdf)
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REM Sprint 1 Presentation [Updated: Sept. 13, 2024] (1.22 MB) (pdf)
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Updated External REM Agendas September 3.pdf (369 KB) (pdf)
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Agreement to Participate in REM Engagement [Posted: July 24, 2024] (182 KB) (pdf)
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Supplementary Data
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UPDATED E3 REM Preliminary Report [Posted: Dec. 13, 2024] (4.96 MB) (pdf)
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Instructions_E3 AESO REM Modelling Results [Posted: Dec. 16, 2024] (215 KB) (pdf)
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E3 AESO Data for Public Release [Posted: Dec. 13, 2024] (77.7 MB) (xlsx)
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AESO Quantitative Review and E3 REM Preliminary Report [Posted: Nov. 26, 2024] (4.41 MB) (pdf)
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Reserve Offer Cap Calculations [posted Nov 20, 2024] (28 KB) (xlsx)
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Smooth Scarcity Pricing Curve [Posted: Nov. 14, 2024] (135 KB) (xlsx)
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24-hour Forecast and Actual Wind, Solar and Load [Posted Nov. 14, 2024] (1.45 MB) (xlsx)
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10-minute Forecast and Actual Wind, Solar and Load [Posted: Oct. 16, 2024] (8.65 MB) (xlsx)
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60-minute Forecast and Actual Wind, Solar and Load [Posted: Oct. 16, 2024] (1.45 MB) (xlsx)
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Capacity Market Consultation Documents [Posted Nov. 15, 2024]
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Capacity Market CMD Consolidated Final Proposal 18JUN2018 [Posted Nov. 14, 2024] (1.01 MB) (pdf)
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Section 206.3 Uniform Capacity Value Determination - Errata 2 Blackline [Posted Nov. 14, 2024] (544 KB) (pdf)
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Capacity Market CMD Consolidated Final Rationale 18JUN2018 [Posted Nov. 14, 2024] (3.24 MB) (pdf)
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Capacity Market Presentation on Demand Response Participation [Posted Nov. 14, 2024] (545 KB) (pdf)
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Co-optimization Tool
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REM Design Option Papers, Materials and Feedback
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Brattle Value of Lost Load for Alberta [Posted: Aug. 16, 2024] (995 KB) (pdf)
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Comparison REM Starting Points with Current Market Overview [Posted: Aug. 16, 2024] (137 KB) (pdf)
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REM Cooptimization Information Document_Aug16.pdf (737 KB) (pdf)
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REM Day-Ahead Market Options Paper_Aug16.pdf [Updated: Aug. 26, 2024] (947 KB) (pdf)
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REM Design Options Comment Matrix Aug. 16 - Sept. 6 [Posted: Aug. 16, 2024] (343 KB) (docx)
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REM Design Options - Consolidated Stakeholder Feedback [Posted: Sept. 6, 2024] (4.92 MB) (pdf)
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REM Initial Revenue Sufficiency Analysis_Aug16.pdf (587 KB) (pdf)
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REM Intertie Participation Options Paper (343 KB) (pdf)
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REM Intertie Participation Stakeholder Feedback combined [Posted. Aug. 16, 2024] (445 KB) (pdf)
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REM Market Clearing Options Paper_Aug 16.pdf (514 KB) (pdf)
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REM Market Power Mitigation Options Paper_Aug16.pdf (636 KB) (pdf)
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REM Pricing and Reserve Market Options Paper_Aug16.pdf (592 KB) (pdf)
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REM Shorter Settlement Options Paper [Posted July 18, 2024] (482 KB) (pdf)
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REM Shorter Settlement Stakeholder Feedback [Posted: Aug.16, 2024] (1.62 MB) (pdf)
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Shorter Settlement Cost Estimates Comment Matrix [Posted: May 17, 2024] (193 KB) (docx)
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CEO Meeting | May 17, 2024
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REM EWG Stakeholder Session Presentation [Posted: April 17, 2024] (595 KB) (pdf)
Stakeholder Submissions
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REM Design Finalization Week 1 Combined Stakeholder Feedback (Posted March 26 2025) (3.9 MB) (pdf)
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REM High-Level Design Combined Stakeholder Feedback [Posted: Jan. 22, 2025] (6.6 MB) (pdf)
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REM Design Options Combined Stakeholder Feedback [Posted: Sept. 9, 2024] (4.92 MB) (pdf)
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REM Intertie Participation Combined Stakeholder Feedback [Posted: Aug. 16, 2024] (12.2 MB) (pdf)
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REM Shorter Settlement Stakeholder Feedback [Posted: Aug.16, 2024] (1.62 MB) (pdf)
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REM Recommendation & Design Elements Stakeholder Feedback [Posted May 9, 2024] (832 KB) (pdf)
Reference Materials
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Reference Materials
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Direction Letter from Minister 10Dec2024 [Posted: Dec. 10, 2024] (232 KB) (pdf)
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Direction Letter from Minister 3July2024 [Posted: July 11, 2024] (109 KB) (pdf)
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Direction Letter from Minister 11March2024 [Posted: March 11, 2024] (101 KB) (pdf)
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Market Power Mitigation Regulation [Posted: March 11, 2024] (218 KB) (pdf)
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Supply Cushion Regulation [Posted: March 11, 2024] (198 KB) (pdf)
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AESO REM IPPSA PPT Mike Law [Posted: March 11, 2024] (714 KB) (pdf)
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AESO REM Recommendation Report [Posted: March 11, 2024] (11.4 MB) (pdf)
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AESO Tx Policy Recommendation [Posted: March 11, 2024] (570 KB) (pdf)
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REM Technical Design Lifecycle
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Design Development | March - June 2024
REM Technical Design has finished this stageActivities
- Build understanding of REM
- Gather feedback and consult on engagement approach
- REM Stakeholder Survey | April 17 - 30
- EWG REM Kick-off Session | April 22 - 23
- CEO Meeting | May 17
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Engagement on Design | July 2024 - Jan. 2025
REM Technical Design has finished this stageActivities
- Build understanding on high-level design
- Consult on key focus areas of greatest impact/interest to stakeholders
- Information Session & Industry Update | July 18
- Written Feedback REM Market Design 1.0 | Aug. 16 - Sept.6
- Information Session & Industry Update | Sept. 5
- Consultation Session Sprint #1 | Sept. 10 - 13
- Consultation Session Sprint #2 | Sept. 17 - 20
- Consultation Session Sprint #3 | Oct. 1 - 4
- Information Session & Industry Update | Oct. 28
- Consultation Session Sprint #4 | Oct. 29 - Nov. 1
- Consultation Session Sprint #5 | Nov. 4 - 7
- Consultation Session Sprint #6 | Nov. 25 - 28
- Information Session & Industry Update | Dec. 12
- Written Feedback REM Market Design | Dec. 13 - Jan 17
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Detailed Design | Jan. - May 2025
REM Technical Design is currently at this stageActivities
- Build understanding on detailed design
- Consult on key focus areas of greatest impact/interest to stakeholders
- Issue Prioritization Session | Feb. 11
- Design Finalization Session Week 1 | Feb. 25 - 28
- Written Feedback REM Market Design | March 7 - 24
- Design Finalization Session Week 2 | March 18 - 21
- Design Finalization Session Week 3 | April 10
- Updated REM High-Level Design | May
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Engagement on REM Rules | June - Sept. 2025
this is an upcoming stage for REM Technical Design -
REM Implementation | Dec. 2025 - 2026
this is an upcoming stage for REM Technical Design
Who's Listening
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Manager, Market Design
Email spencer.hall@aeso.ca -
Director, Markets
Email Ruppa.Louissaint@aeso.ca
Session Recordings
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Click here to play video REM Information Session - July 18, 2024 [Posted: July 19, 2024]
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Click here to play video REM Information Session - Sept. 5, 2024 [Posted: Sept. 6, 2024]
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Click here to play video REM Co-optimization Tool Demo Session - Oct. 22, 2024 [Posted: Oct. 23, 2024]
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Click here to play video REM Information Session - Oct.28, 2024 [Posted: Oct. 29, 2024]
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Click here to play video REM Information Session - Dec. 12, 2024 [Posted: Dec. 12, 2024]
Related projects
Live Projects
Archived Projects
Key Dates
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January 2025
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November 2024
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September 2024
Contact Us
If you have any other questions, please contact stakeholder.relations@aeso.ca