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

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.

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.

The WEIM approved participation by utilities within an entity's balancing authority area — a move intended to convince Xcel Energy Colorado to join the market.

CAISO's Board of Governors and the Western Energy Imbalance Market Governing Body agreed to a new split of authority in which FERC could settle disputes.

The Western Energy Imbalance Market's Governance Review Committee approved its proposal for a new delegation of authority between the EIM and CAISO boards.

The EIM Governing Body elected Jennifer Gardner to replace retiring member Carl Linvill and appointed Anita Decker as its new chair.

FERC approved CAISO's controversial rule changes on wheel-throughs, intended to ensure the ISO has adequate capacity this summer.