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August 28, 2021

RES-San Diego Gas & Electric Miramar – Battery Energy Storage System, US

By Carmen

The RES-San Diego Gas & Electric Miramar – Battery Energy Storage System is a 30,000kW energy storage project located in Miramar, San Diego, California, US. The rated storage capacity of the project is 120,000kWh.

The electro-chemical battery energy storage project uses lithium-ion as its storage technology. The project was announced in 2017.


The RES-San Diego Gas & Electric Miramar – Battery Energy Storage System is being developed by San Diego Gas & Electric.

The key applications of the project are reliability and grid support services.

Contractors involved

San Diego Gas & Electric is the developer. Renewable Energy Systems Americas is the technology provider for the project.

Renewable Energy Systems Americas is the EPC contractor for the project.

Additional information

The project will employ RES’ proprietary RESolve Energy Management System technology and will be sufficient to power the equivalent of approximately 20,000 US homes for four hours upon operation. Instead of container-based layouts spread over several large areas, the RESolve facility is designed to fit within a single building, with the entirety of the plant fitting in roughly the space of one acre.

About San Diego Gas & Electric

San Diego Gas & Electric Company (SDGE), a subsidiary of Sempra Energy, is an energy service provider that offers electric generation, transmission and distribution services. The company also distributes natural gas. Its residential services include payment and bill assistance, start, stop, move service, service checkup, check my gas appliances, request letter of credit history, request change of mailing address, request letter of residency, and special update. The company also offers a variety of workshops and training seminars to business customers in San Diego and southern Orange counties. SDGE is headquartered in San Diego, California, the US.b


All publicly-announced energy storage projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects are sourced through secondary information sources such as country specific power players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.

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