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

The CAISO Board of Governors appointed five members to the newly established governing body of the western Energy Imbalance Market (EIM).

CAISO stepped up efforts to convert skeptics of a Western RTO, convening a forum in Denver to discuss a proposed set of governing principles.

PG&E (NYSE:PCG) will shut down Diablo Canyon, CA’s last nuclear power plant under an agreement with environmental, labor and anti-nuclear coalition.

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

CAISO transmission planning staff  proposed studies on the implications of gas shortages on grid reliability.

A summary of FERC orders related to CAISO issued at the commission's open meeting on June 16, 2016.

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.

CAISO is nearing completion of a cost allocation plan describing how to allocate building and operating transmission costs in an expanded balancing area.