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Title Type Topics Posted
Notice - 2026 Market Policy Catalog and Infrastructure Policy Catalog: Submission windows close 3/2/26 Notice
Notice - Business Practice Manual Change Management call on 2/24/26 Notice
ISO Western Energy Imbalance Market Benefits Report Q4 2025 1.30 MB Report WEIM quarterly benefits reports
WEIM Benefit Methodology 190.59 KB Methodology
Notice - Extended Day-Ahead Market (EDAM) Congestion Revenue Allocation Phase 2: Working Group on 2/23/26 Notice
News release - Western Energy Imbalance Market Surpasses $8 Billion in Total Benefits Since Inception News Release
Video - Extended Day-Ahead Market (EDAM) Town Hall - Feb 04, 2026 Video and Audio
Notice - Western Energy Markets Regional Issues Forum on 3/16/26: Registration requested Notice
Notice - Resource Adequacy Modeling and Program Design: Tracks 1 and 3A Updated Tariff Language posted Notice
Notice - Financial Planning Initiatives: straw proposal posted; call on 2/12/26 Notice
Notice - Training Announcement: Extended Day-Ahead Market (EDAM) Training for Intertie Scheduling Readiness on 2/11/26 Notice
Independent Power Producers and Power Marketers 8.60 KB WEM regional issues forum - sector contacts
Notice - BPM change management: Proposed revision requests and updated BPMs posted as of 2/3/26 Notice
List of Certified Market Participants Report EDAM implementation
News release - CAISO submits first Assembly Bill 825 report to Legislature and Governor News Release
Notice - Storage Design and Modeling: Commenting tool is open for submissions; Comments due 2/17/26 Notice
AB 825 Report - Feb 02, 2026 579.29 KB Report AB 825
Imbalance conformance enhancements (E1) Link Completed initiatives
Metering rules enhancements Link Completed initiatives
Regional integration and EIM greenhouse gas compliance (E1) Link Completed initiatives
Generator contingency and remedial action scheme modeling (E1) Link Completed initiatives
Consolidated energy imbalance market initiatives (E1) Link Completed initiatives
Energy storage and distributed energy resources phases 2, 3 and 4 (E2) Link Completed initiatives
Aliso Canyon gas-electric coordination phase 3 (E1, E2) Link Completed initiatives
Real-time market neutrality settlement (E1) Link Completed initiatives
Notice - Market Surveillance Committee teleconference meeting on 2/6/26: Final Agenda posted; Materials to be posted Notice
Agenda - Extended Day-Ahead Market - Virtual Town Hall - Feb 04, 2026 331.60 KB Agenda
EDAM Agreements Checklist 51.08 KB
The EDAM Entity Agreements Checklist provides a list of all required agreements and agreements that may be required with a general timeline, based on the 18 month implementation.
 		EDAM agreement checklist documents
Agenda - Extended Day-Ahead Market - Virtual Town Hall - Feb 04, 2026 175.13 KB Agenda
Presentation - Market Performance and Planning Forum - Jan 27, 2026 18.72 MB Presentation Market Performance and Planning Forum Jan 27, 2026 09:00 AM
Notice - New Initiative: Cost-of-Service Study Extension, Revenue Requirement Cap Increase, and Other Rate Design Considerations; call on 2/12/26 Notice
Notice - Congestion Revenue Rights Enhancements: Comment template posted; comments due 2/6/26 Notice
WEIM Relinquishing Scheduling Coordinator Letter Computer-based training (CBT) WEIM resource onboarding procedure
WEIM Resource Owner Scheduling Coordinator Letter Computer-based training (CBT) WEIM resource onboarding procedure
WEIM Scheduling Coordinator Acceptance Letter Computer-based training (CBT) WEIM resource onboarding procedure
EDAM SC Acceptance Letter Computer-based training (CBT) Onboarding resource guides
List of EDAM Scheduling Coordinators 144.58 KB EDAM implementation
Notice - Day-Ahead Market Enhancements: Configurable Parameters Implementation working group meeting on 1/29/26 Notice
Notice - Extended Day-ahead Market (EDAM) Implementation: Intertie Scheduling Readiness and Q&A Session Workshop on 1/30/26 Notice
Notice - Market Performance and Planning Forum on 1/27/26 Notice
Agenda - Market Performance and Planning Forum - Jan 27, 2026 152.17 KB
Notice - Storage Design and Modeling Meeting Updated to half-day on 1/22/26 Notice
EDAM - Transfer - Resource Relinquishing Scheduling Coordinator - Letter Template 50.95 KB
Used when transferring or ending SC association for EDAM resources. This can be submitted by either the accepting (if provided to) or relinquishing SC.
 		EDAM resource setup and transfer
EDAM - Resource Owner Scheduling Coordinator Selection - Letter Template 52.97 KB
Used when setting up or transferring EDAM resources. This will be submitted by the accepting/new SC.
 		EDAM resource setup and transfer
Custom Load Aggregation Point - EDAM Load Aggregation Point - Selection Letter 41.89 KB
Used to submit a request for a Custom LAP or EDAM LAP. This will be submitted by the SC setting up the CLAP/ELAP.
 		EDAM resource setup and transfer
Resource Control Agreement (RCA) Disclosure Form Computer-based training (CBT) Onboarding resource guides
Notice - Extended Day-Ahead Market Benefit Methodology draft posted; meeting on 1/27/26 Notice
Notice - Business Practice Manual Change Management call on 1/27/26 Notice
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