CAISO’s wholesale costs to serve load last year fell by 9%, the lowest nominal expense since 2008, according to an annual market performance report.

SPP named Keith Collins, CAISO manager of monitoring and reporting and former FERC official, as the new executive director of its Market Monitoring Unit.

The CAISO real-time market experienced an uptick in volatility during Q4 of 2016, as five-minute prices spiked to well above day-ahead and 15-minute levels.

The CAISO Board of Governors approved a measure investing the board with complete oversight authority over the grid operator’s internal Market Monitor.

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.