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The California Independent System Operator (ISO) maintains reliability on one of the largest and most modern power grids in the world, and operates a transparent, accessible wholesale energy market. The organization works diligently around the clock to meet the electricity needs of consumers, while increasing the amount of renewable energy to usher in the clean, green grid of the future.

The California Independent System Operator (CAISO) is a non-profit Independent System Operator (ISO) serving California. It oversees the operation of California's bulk electric power system, transmission lines, and electricity market generated and transmitted by its member utilities. The CAISO is one of the largest ISOs in the world, delivering 300 million megawatt-hours of electricity each year and managing about 80% of California's electric flow.

The ISO makes powerful news. With California at the vanguard of the transition to renewable energy, all the world’s eyes are on the ISO’s innovation, technology, and strategies for greening the grid. Public affairs and media relations are at the heart of the ISO’s mission to inform, educate, and promote the clean, reliable electric system and efficient market of the future.

For Immediate Release: January 13, 2021. SACRAMENTO – Today the California Independent System Operator (CAISO), California Public Utilities Commission (CPUC), and California Energy Commission (CEC) issued a Final Root Cause Analysis of the August 2020 heat wave and rotating outages. On August 14 and 15, 2020, the CAISO was forced to institute rotating electricity outages in California in the midst of a West-wide extreme heat wave.

This decision adopts implementation details for the central procurement of multi-year local Resource Adequacy procurement to begin for the 2023 compliance year in the Pacific Gas and Electric Company (PG&E) and Southern California Edison (SCE) distribution service areas, including identifying PG&E and SCE as the central procurement entities for their respective distribution service areas and adopting a hybrid central procurement framework.

California Independent System Operator Corporation authorized the CAISO to direct limited testing or synchronization of a subset of the Covered Resources. During the period the Emergency Order was in effect, the CAISO did not direct the Covered Resources to operate to meet emergency conditions. The CAISO did direct limited testing activities by the following Covered Resources: Midway