CAISO proposed a study to identify the natural gas-fired units most vulnerable to retirement in its balancing area.

CAISO's Department of Market Monitoring reported that solar power surpassed wind in 2015, becoming the largest source of renewable generation.

FERC  revoked authorization for Berkshire Hathaway Energy subsidiaries to sell wholesale power at market-based rates in four  balancing authority areas.

New generation and a rebound in hydroelectric capacity means healthy operating reserve margins for California this summer.

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.