Overview
San Ramon Substation is an operational electrical substation in California, owned and operated by Pacific Gas and Electric Company. It operates at 230 kV, serving the regional grid.
San Ramon Substation is an operational electrical substation located in California, United States. Owned and operated by Pacific Gas and Electric Company (PG&E), it is a key node in the state's high-voltage transmission network. The substation operates at a voltage level of 230 kV, which is typical for bulk power transmission and distribution to local utilities. As part of PG&E's infrastructure, the substation is subject to North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) regulation. The 230 kV voltage class is commonly used for interconnecting major generation sources and load centers, requiring robust protection and automation systems, often based on IEC 61850 standards. The substation plays a critical role in maintaining grid stability in the San Ramon area, a suburban region east of San Francisco. Its operation supports residential, commercial, and industrial customers, contributing to the reliability of California's electricity supply. The facility's location in a seismically active region necessitates adherence to stringent seismic safety standards for electrical infrastructure.
Environmental context
The substation is located in a suburban area of California, which experiences a Mediterranean climate with hot, dry summers and mild, wet winters. The region is prone to wildfires, which can impact overhead transmission lines and substation equipment. PG&E has implemented vegetation management and grid hardening measures to mitigate fire risks. The substation's operation also involves managing electromagnetic fields and insulating gases, with environmental regulations governing their use and disposal.
Frequently asked questions
San Ramon Substation is located in California, United States, near the city of San Ramon. Its approximate coordinates are 37.7447 N, -121.9365 W.
San Ramon Substation operates at a voltage of 230 kV, which is a standard high-voltage level for transmission substations in the United States.
San Ramon Substation is owned and operated by Pacific Gas and Electric Company (PG&E), a major investor-owned utility serving northern and central California.
As part of the US electrical grid, San Ramon Substation must comply with NERC reliability standards and FERC regulations. It also follows California-specific seismic safety and wildfire mitigation requirements.
A 230 kV substation like San Ramon steps down transmission voltage for distribution to local networks, ensuring reliable power supply to residential, commercial, and industrial customers in the region.