CAISO last year paid out $47 million more to congestion revenue rights (CRR) holders than it took in from its auctions, the ISO’s IMM has found.

The Energy Imbalance Market (EIM) experienced a “dramatic uptick” in failed ramping capacity tests in November and December, the CAISO IMM reported.

The CAISO decision to possibly prioritize reforms to its congestion revenue rights auctions in 2017 has provoked mixed reactions from stakeholders.

The CAISO internal Monitor is proposing new enforcement measures to address market power concerns in the Energy Imbalance Market.

The CAISO internal Market Monitor reported that the program for auctioning off congestion revenue rights suffers from inherent design flaws.

CAISO paid congestion revenue rights holders $27 million more than it took in from CRR auctions during the first half of the year, according to the ISO’s Department of Market Monitoring.

Regulation costs in CAISO have quadrupled since the ISO increased requirements to help balance variable output from renewable resources in February.

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

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.