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Storage design and modeling

INITIATIVE:
Storage design and modeling

Started: Nov 25, 2024

Leads
Sergio Dueñas Melendez, Dinesh Das Gupta

This initiative explores enhancements to energy storage market design, modeling, and processes. Efforts are organized into four topic groups: Outage Management, Uplift & Default Energy Bids, State-of-Charge Management Topics, and Mixed-Fuel & Distribution-Level Resources

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Status

Proposal Development	Decision	Implementation	Completed/Closed
Oct 13, 2025 Comments due Nov 12, 2025* Meeting Nov 25, 2025* Comments due Dec 04, 2025* Meeting Dec 14, 2025* Comments due Dec 21, 2025* Issue paper and straw proposal on uplift and DEB posting

Activities

Web meeting		Comments
Web meeting	Working Group Session 9: Uplift and Default Energy Bids (DEB), State-of-Charge Management, and Mixed-Fuel and Distribution-Level Resources Video - Storage Design and Modeling - Sep 29, 2025 10/07/2025 Fluence Energy Presentation - Storage Design and Modeling - Sep 29, 2025 09/29/2025 Wellhead Power Services and GridSME Presentation - Storage Design and Modeling - Sep 29, 2025 09/29/2025 GridSME on behalf of Wellhead Power Services Presentation - Storage Design and Modeling - Sep 29, 2025 09/25/2025	Submit comments Due: Oct 13, 05:00 pm Comments
Web meeting	Working Group Session 8: Revised Straw Proposal on Outage Management Revised Straw Proposal - Storage Design and Modeling - Outage Management 08/08/2025 Presentation - Storage Design and Modeling - Aug 14, 2025 08/12/2025 CESA Presentation - Storage Design and Modeling - Aug 14, 2025 08/12/2025 Video - Storage Design and Modeling - Aug 14, 2025 08/20/2025	View comments Comments
Web meeting	Working Group Session 7: Mixed-Fuels and Distributed-Level Resources Discussion Paper - Storage Design and Modeling - Mixed-Fuels and Distribution-Level Resources 06/26/2025 Presentation - Storage Design and Modeling - Jun 30, 2025 06/26/2025 DMM Presentation - Battery Bid Cost Recovery Discussion - Jun 30, 2025 06/27/2025 Nextera Presentation - Storage Design and Modeling - Jun 30, 2025 06/27/2025 Terra-Gen Presentation - Hybrid Issues Storage Design and Modeling - Jun 30, 2025 07/01/2025 Video - Storage Design and Modeling - Jun 30, 2025 07/03/2025	View comments Comments
Web meeting	Working Group Session 6: Outage Management, Uplift & DEB, and SOC Management Presentation - Storage Design and Modeling - May 28, 2025 05/23/2025 Presentation - PG&E Presentation - Storage Design and Modeling - May 28, 2025 05/28/2025 Video - Storage Design and Modeling - March 28, 2025 06/03/2025	View comments Comments
Web meeting	Working Group Session 5: Outage Management Working Group & SOC Management & Capacity Awards Presentation - Storage Design and Modeling - May 09, 2025 05/09/2025 Video - Storage Design and Modeling - May 09, 2025 05/16/2025	View comments Comments
Web meeting	Working Group Session 4: State of Charge Management and Capacity Awards Presentation - State of Charge Management Capacity Awards - Apr 14, 2025 04/14/2025 Market Operations BPM Redlines - State of Charge Management and Capacity Awards - Mar 04, 2025 04/04/2025 Video - Storage Design and Modeling - Apr 14, 2025 04/28/2025	View comments Comments
	Issue Paper and Straw Proposal on Outage Management, Nonlinearity, and State of Charge Clarification 03/27/2025	Comments
Web meeting	Working Group Session 3: Outage Management, Uplift, & DEB Distribution-Level & Paired Resources Working Group Presentation - Storage Design and Modeling - Feb 20, 2025 02/14/2025 Terra-Gen Presentation - Storage Design and Modeling - Feb 20, 2025 02/19/2025 Video - Storage Design and Modeling - Feb 20, 2025 02/26/2025	View comments Comments
Web meeting	Working Group Session 2: Outage Management, Uplift, & DEB and SOC Management Working Group Presentation - Storage Design and Modeling - Jan 23, 2025 01/17/2025 Presentation - Vistra - Storage Design and Modeling - Jan 23, 2025 01/22/2025 Video - Storage Design and Modeling - Jan 23, 2025 01/28/2025	Comments
Web meeting	Working Group Session 1 - Initial Discussion and Bid Cost Recovery (BCR), Default Energy Bid (DEB) and Outage Management System (OMS) Presentation - Storage Design and Modeling - Dec 11, 2024 12/10/2024 Department of Market Monitoring Presentation - Storage Design and Modeling - Dec 11, 2024 12/10/2024 Pacific Gas and Electric Presentation - Storage Design and Modeling - Dec 11, 2024 12/11/2024 Vistra Corp Presentation - Storage Design and Modeling - Dec 11, 2024 12/11/2024 Video - Storage Design and Modeling - Dec 11, 2024 12/16/2024	View comments Comments