CPUC Approves Major Transmission Projects to Enhance Reliability and Capacity in California

The California Public Utilities Commission (CPUC) approved multiple transmission projects, including the $1.593 billion Power Santa Clara Valley Project and the $813.24 million Power the South Bay Project, aimed at improving reliability and accommodating rising demand. The Alberhill System Project, costing $481.7 million, was also sanctioned to address capacity issues in Riverside County. The decisions emphasize the necessity of infrastructure upgrades despite environmental impacts, highlighting the CPUC's focus on reliability and economic growth.

Published Mar 28, 2026

The CPUC approved several key transmission projects on March 19, including LS Power Grid California's $1.593 billion Power Santa Clara Valley Project, aimed at enhancing reliability in the San José area. This project will involve a new HVDC link to accommodate a load increase from 2,100 MW to 4,200 MW.

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The Power the South Bay Project, a separate 12-mile 230-kV line connecting PG&E's Newark substation to Silicon Valley Power, received approval at a cost cap of $813.24 million, set to begin construction in March 2026. Additionally, the Alberhill System Project, costing $481.7 million, will establish a new substation in Riverside County to address capacity and reliability needs for 560,000 residents. The CPUC emphasized the importance of these projects despite environmental concerns, prioritizing reliability and future load growth.