Overview
East Grand Substation is an operational electrical substation in the United States, owned and operated by Pacific Gas and Electric Company. It operates at 115 kV, supporting grid stability in the San Francisco Bay Area.
East Grand Substation is an operational electrical substation located in the United States, specifically in the San Francisco Bay Area. Owned and operated by Pacific Gas and Electric Company (PG&E), this facility plays a key role in the regional transmission network. The substation operates at a voltage of 115 kV, classifying it as a sub-transmission or distribution-level asset within PG&E's extensive grid infrastructure. As part of PG&E's network, East Grand Substation is subject to regulatory oversight by the Federal Energy Regulatory Commission (FERC) and must comply with North American Electric Reliability Corporation (NERC) reliability standards. These standards ensure the substation's equipment, including switchgear and transformers, meets stringent performance and safety requirements. The 115 kV voltage level is typical for urban substations that distribute power to local communities and industrial areas. The substation's location in a densely populated region underscores its importance for maintaining reliable electricity supply to residential, commercial, and critical infrastructure customers. Its operational status contributes to grid resilience in the Bay Area, which faces challenges such as seismic activity and wildfire risks. PG&E's ongoing investments in substation modernization and automation help enhance grid stability and support the integration of renewable energy sources.
Environmental context
The East Grand Substation is situated in an urban environment within the San Francisco Bay Area, a region characterized by high population density and significant electricity demand. The substation's 115 kV voltage level indicates its role in distributing power to local loads, which may include residential, commercial, and industrial customers. Urban substations like this one are critical for grid stability but also face environmental considerations such as electromagnetic fields, noise, and visual impact. PG&E's operations are subject to California environmental regulations, including CEQA review for modifications and compliance with state renewable portfolio standards.
Frequently asked questions
East Grand Substation is located in the San Francisco Bay Area, California, United States, at coordinates 37.653381, -122.403057.
East Grand Substation is owned and operated by Pacific Gas and Electric Company (PG&E), a major investor-owned utility serving northern and central California.
East Grand Substation operates at a voltage of 115 kV, which is typical for sub-transmission and distribution substations in urban areas.
As part of the U.S. bulk power system, East Grand Substation must comply with NERC reliability standards and FERC regulations. PG&E also adheres to California Public Utilities Commission (CPUC) rules.
A 115 kV substation steps down transmission voltage for local distribution, supplying electricity to residential, commercial, and industrial customers. It also provides grid stability and switching capabilities.