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Latest notices

Title Topics Posted
Storage Design and Modeling: Comments due on 6/1/26 Markets
Congestion Revenue Rights Enhancements meeting on 5/28/26 Markets
Business Practice Manual Change Management meeting on 5/26/26 Legal and regulatory
Western Energy Markets Regional Issues Forum meeting on 6/16/26 Markets, Governance and committees
2026 California ISO Stakeholder Symposium: Registration now open, sponsorship opportunities available Markets
Resource Adequacy Modeling and Program Design (RAMPD): Straw Proposal to be posted, meeting on 5/15/26 Markets
ISO Board of Governors general session meeting on 5/19/26: Final Agenda and updated meeting schedule posted Governance and committees
2026 Market Policy Initiatives Roadmap Process: Stakeholder prioritization submissions due 5/15/26 Legal and regulatory, Markets, Operations, Information Technology
Market Update calls: Time extended, opportunity to submit questions in advance Markets
WEM Regional Issues Forum meeting on 6/16/26: Panel topics announced; registration for in-person attendance is requested. Markets, Governance and committees
Storage Design and Modeling: Second revised straw proposal posted, comments due 6/1/26 Markets
BPM change management: Proposed revision requests and updated BPMs posted as of 5/5/26 Legal and regulatory
WEM Governing Body executive session on 5/7/26: Final agenda posted Governance and committees
Resource Adequacy Modeling and Program Design: Track 2 working group meeting on 5/15/26 Markets
Updates to Prices page in Today’s Outlook and ISO Today mobile app Information Technology
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Latest news

Title Topics Posted
ISO Board of Governors approves 2025-2026 transmission plan Transmission 05/19/2026, 12:15 AM
Black Hills Corp.’s South Dakota and Wyoming electric utility subsidiaries join Western Energy Imbalance Market Western Energy Markets 05/06/2026, 12:15 AM
BHE Montana joins the Western Energy Imbalance Market Western Energy Markets 05/06/2026, 12:00 AM
EDAM is live: PacifiCorp and CAISO successfully launch new market May 1 Western Energy Markets 05/01/2026, 12:15 AM
Two new Market Surveillance Committee members appointed; ISO Board of Governors also names new vice chair Leadership 04/30/2026, 12:00 AM
Western Energy Imbalance Market Continues to Deliver with Over $8.6 Billion in Total Benefits to Date Western Energy Markets 04/28/2026, 12:00 AM
Joint Virtual Press Conference: Launch of the Extended Day-Ahead Market (EDAM) Western Energy Markets 04/13/2026, 12:00 AM
Draft transmission plan now available; recommends 38 infrastructure upgrades to meet growing electricity demand Transmission 04/07/2026, 12:00 AM
Western Energy Imbalance Market Surpasses $8 Billion in Total Benefits Since Inception Western Energy Markets 02/13/2026, 12:00 AM
CAISO submits first Assembly Bill 825 report to Legislature and Governor Western Energy Markets 02/02/2026, 11:20 AM
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