CAISO's draft final proposal for a day-ahead expansion of its Western Energy Imbalance Market is up for review this month, with a final plan due in December.

CAISO's Western Energy Imbalance Market reached a record $526 million in benefits in Q3 and neared $3 billion in cumulative benefits since it started in 2014.

The WPP's future independent board will include the previous PJM CEO, a former member of WEIM's Governing Body and WPP’s present board chair, among others.

Arizona utility commissioners said they wanted to see more independent governance for CAISO before further committing to the WEIM.

CAISO stakeholders commented on elements of the revised straw proposal to add an extended day-ahead market to the Western Energy Imbalance Market.

CAISO's revised plan for a WEIM extended day-ahead market makes changes to transmission requirements and penalties for failing resource sufficiency evaluations.

The Governing Body of CAISO's Western Energy Imbalance Market welcomed a new member and elected its chair and vice chair for the next year.

The Northwest stands out as an exception to the increasingly dire water situation gripping the wider West, boding well for its summer hydropower potential.

The Bonneville Power Administration experienced two major “price excursion” events in the Western EIM within two weeks of joining the market.

The CREPC-WIRAB spring meeting focused on regional markets and transmission planning in the West, including FERC's recent transmission planning NOPR.