Green Valley Substation - 115 kV Electrical Substation in California, United States

Green Valley Substation is an operational electrical substation located in California, United States. Owned and operated by Pacific Gas and Electric Company (PG&E), it plays a role in the regional transmission and distribution network. The substation operates at a voltage of 115 kV, which is typical for sub-transmission or distribution-level infrastructure in the United States. As part of PG&E's network, Green Valley Substation is subject to regulatory oversight by the Federal Energy Regulatory Commission (FERC) for wholesale electricity markets and reliability standards set by the North American Electric Reliability Corporation (NERC). The facility likely incorporates modern substation automation technologies, such as those based on the IEC 61850 standard, to ensure efficient and reliable operation. The substation contributes to grid stability and power delivery in the region, supporting residential, commercial, and industrial customers. Its location in California, a state with ambitious renewable energy goals, means it may also facilitate the integration of distributed energy resources and support grid resilience during peak demand periods.

The substation is situated in a region with a Mediterranean climate, characterized by dry summers and mild winters. The surrounding area includes agricultural lands and natural habitats, which may be sensitive to electromagnetic fields and land use changes. Proper siting and maintenance of the substation help minimize environmental impact, while its role in the grid supports the transition to cleaner energy sources.