Skip to main content

News and notices

Stay up to date, subscribe to receive news releases, the Daily Briefing — an email summarizing the day's notices — and the monthly Energy Matters blog summary newsletter.

Read Energy Matters Blog 

Latest notices

Title Topics Posted
WEM Governing Body, Joint, ISO Board of Governors, DMM Oversight Committee and Audit Committee: Updated 2026-2027 meeting schedule posted Governance and committees
Large Loads Initiative: Stakeholder meeting on 10/1/26; draft final proposal to be posted on 9/24/26 Legal and regulatory, Markets, Operations, Planning
Storage Design and Modeling meeting on 9/22/26 Markets
Assembly Bill 825 - California Job Study workshop on 9/10/26 Markets
2027 Default Resource Adequacy Values: New recurring process, first meeting on 9/9/26 Markets
BPM change management: Proposed revision requests and updated BPMs posted as of 9/1/26 Legal and regulatory
Western Energy Markets Regional Issues Forum meeting on 10/5/26; in-person registration requested, panel topics announced Markets, Governance and committees
Maintenance scheduled for California ISO websites and reporting services on 9/1/26 Information Technology
Training Update: Inter-Scheduling Coordinator Trades and Q&A Session on 8/27/26 Markets
Registration for Joint Market Seams Workshop on 9/16/26 now open Markets
Scheduling Coordinator Self-Audit Attestation and Settlement Quality Meter Data Affirmation, due 11/2/26 Operations
CAISO and WEM Website Survey Information Technology
WEM Governing Body, Joint, ISO Board of Governors, and Committee meetings on 8/25/26-8/27/26; final agendas posted Governance and committees
2026 Variable Operations and Maintenance Cost Review: Draft tariff language comments due 9/3/26 Markets
Inter-Scheduling Coordinator Trades and Q&A Training Session on 8/27/26 Markets
No results
View all notices

Latest news

Title Topics Posted
BHE Montana becomes eighth utility to commit to the Extended Day-Ahead Market Western Energy Markets, Markets, Extended Day-Ahead Market 08/10/2026, 9:55 AM
Western Energy Markets Quarterly Benefits Report debuts with first Extended Day-Ahead Market results Western Energy Markets, Extended Day-Ahead Market 07/30/2026, 9:00 AM
Anita Decker reappointed to Western Energy Markets Governing Body Western Energy Markets 06/17/2026, 1:45 AM
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
No results
View all news releases