Overview
SDG&E - San Ysidro Substation is an operational operations center in San Ysidro, California, supporting the regional electric grid under San Diego Gas & Electric. It plays a key role in managing power distribution for the San Diego area.
SDG&E - San Ysidro Substation is an operations center located at 4401 Otay Mesa Rd, San Ysidro, California, within San Diego County. As part of San Diego Gas & Electric's infrastructure, it supports the management and control of the regional electric grid, serving a densely populated urban area near the U.S.-Mexico border. The facility operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) Critical Infrastructure Protection (CIP) standards, which mandate cybersecurity and physical security measures for grid assets. As a substation operations center, it likely coordinates with other SDG&E facilities to ensure grid stability and reliability, typical of medium-to-large utility operations in California. Environmental significance includes supporting the integration of renewable energy sources such as solar and wind, which are prevalent in Southern California. The substation's location near the border also underscores its role in cross-border energy coordination, contributing to regional energy resilience and community service for over 3 million residents in San Diego County.
Environmental context
The San Ysidro Substation operates in a semi-arid coastal climate, with proximity to the Tijuana River Valley and sensitive ecosystems. As part of SDG&E's grid, it supports the integration of renewable energy, including solar and wind, aligning with California's ambitious clean energy goals. The facility's location near the U.S.-Mexico border also highlights its role in cross-border electricity reliability and emergency response coordination.
Frequently asked questions
SDG&E - San Ysidro Substation is located at 4401 Otay Mesa Rd, San Ysidro, California 92173, in San Diego County, near the U.S.-Mexico border.
It is an operations center that manages and controls electric power distribution for San Diego Gas & Electric, ensuring grid stability and reliability in the San Diego region.
As part of the U.S. electric grid, it must comply with NERC CIP standards for critical infrastructure protection, including cybersecurity and physical security requirements.
It supports real-time monitoring and control of power flows, coordinates with other SDG&E facilities, and helps integrate renewable energy sources like solar and wind into the grid.
Operations centers like this one serve as central hubs for monitoring, controlling, and managing utility infrastructure, enabling efficient response to outages and maintaining service continuity.
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