For Immediate Release: October 7, 2020

The California Independent System Operator (CAISO), California Public Utilities Commission (CPUC), and California Energy Commission (CEC) today issued a Preliminary Root Cause Analysis of the August 2020 heat wave and rotating outages, finding that resource planning targets have not evolved to keep pace with climate change-induced extreme weather events, and that energy market practices did not perform as intended during stressed conditions.