CAISO's Board of Governors and the Western Energy Imbalance Governing Body adopted changes to WEIM's resource sufficiency evaluation for market participants.

CAISO's Board of Governors extended controversial wheel-through restrictions for two more years as the ISO works on a long-term fix to transmission constraints.

The Western Energy Imbalance Market Governing Body and CAISO Board of Governors were briefed on proposed changes to the WEIM resource sufficiency test.