CAISO’s WEIM last year hit $5.05 billion in benefits for its members since its inception in 2014, continuing the positive trend of growth tied to an expanding Western footprint.

The group working to establish a single Western RTO heard summaries of five potential options for a new governing body that could be independent of CAISO.

CAISO is looking at scrapping a catalog of about 60 proposed policies, which include many stakeholder suggestions, saying the document has become “unwieldy” and it might be better to start over from scratch.

The Western Energy Imbalance Market Governing Body appointed new member Rebecca Wagner and elected a new chair and vice chair from among its members.

Changes meant to improve the performance of CAISO’s day-ahead market and the planned day-ahead expansion of its Western Energy Imbalance Market won board approval.

The CAISO Board of Governors approved measures to boost summer reliability, including extending a requirement that batteries be charged during extreme events.

CAISO's Board of Governors and the Western Energy Imbalance Market Governing Body approved an extended day-ahead market for the WEIM, calling it a milestone.

A new legislative push for multi-state CAISO governance and the ISO's drive to add an extended day ahead market top this year's agenda.

The CAISO Board of Governors and Western Energy Imbalance Market Governing Body adopted resource sufficiency and storage changes to promote summer reliability.