FERC upheld a decision that prohibits two companies’ generating units from offering energy into the Western EIM at prices above default energy bids.

The expanded western EIM provided California a new outlet for surplus renewables, according to CAISO.

CAISO stakeholders expressed misgivings and confusion about a new issue paper exploring contingency modeling.

PacifiCorp says future participants in the CAISO EIM forum will benefit from early lessons the company learned attempting to integrate.

Idaho Power signed an agreement with CAISO to become the sixth utility to join the western Energy Imbalance Market.

FERC approved a request by CAISO to eliminate from its Tariff a provision establishing convergence bidding at scheduling points on the interties into Ca.

NV Energy had a smooth integration into the Western Energy Imbalance Market (EIM), CAISO said.

CAISO told FERC that its software’s inability to recognize available balancing capacity was creating false scarcity in the market.