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

CAISO’s Western Energy Imbalance Market yielded members $418.82 million in economic benefits during the first three months of 2023, a first-quarter record.

FERC approved changes to WEIM's resource sufficiency evaluation, including allowing transfers to members that fail to meet their RSE obligations.

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.

California Assemblymember Chris Holden said he will hold a bill that could eventually turn CAISO into an RTO while he tries to overcome opposition.

Three new entities joined CAISO's Western Energy Imbalance Market, including El Paso Electric, which expanded the market into Texas for the first time.

The Energy Bar Association Western Chapter heard panelists and CAISO's CEO discuss rapidly evolving efforts to organize markets and an RA program in the West.

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.

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

The proposed governance structure for SPP's Markets+ service offering and resource adequacy are two key differences with CAISO's RTO proposal.