In March 2015, the CAISO selected Horizon West Transmission, LLC (Horizon West) as the Approved Project Sponsor to permit, construct, own, operate, and maintain the Estrella Substation Project. Located approximately 5 miles east of Paso Robles, California, the project will help ensure safe, reliable power to the local electric system and will:
In January 2017, Horizon West and Pacific Gas and Electric jointly filed the Proponents Environmental Assessment (PEA) with the California Public Utilities Commission (CPUC). On July 24, 2017, the CPUC deemed the PEA complete. The CPUC is the lead agency preparing the Environmental Impact Report.