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Arevon and Tenaska are developing the Peregrine energy storage project in San Diego. The project site is located in Barrio Logan at Main Street and South 27th Street, allowing close access to an electrical substation and transmission system. This site allow the facility to be located near a population center to provide maximum support and value for the electric grid.

The main battery storage components are the battery storage containers, which include racks of batteries, control units, fire prevention and fire protection equipment; voltage transformers and inverters; and a small on-site substation. The containers typically range from 10 to 25 feet long, 6 to 8 feet deep, and 6 to 10 feet high. The project team will work closely with the community to ensure impacts are mitigated and the facility fits in as seamlessly as possible.

How It Works

Utility-scale battery storage systems are large banks of batteries connected to the electric grid via a transmission line.

Battery storage adds greater reliability and resilience to the electrical grid. During times of peak energy generation, such as when power from solar or wind is in abundance, batteries can be charged to capture excess generation. Batteries can then discharge this stored generation into the grid during times of peak energy demand.


Arevon and Tenaska have a proven track record of safely constructing and operating renewable energy projects across the country.

Battery storage devices do not generate any air emissions or harmful radiation and involve little to no fire risk when properly designed, installed, tested and operated. The battery storage systems contain protection and control features, including a battery management system that shuts down when operational environments are anything less than optimal. The project must obtain necessary permits and receive sign-off and approval from the local fire marshal and permitting authorities before the facility may be considered operational.

Project Renderings

Project Benefits

  • Invests $200 to $250 million in the local economy

  • Provides significant local property tax revenues

  • Has limited traffic impacts to nearby residents or businesses during construction, and no traffic impact when operating

  • Creates approximately 70 well-paying construction jobs and several part-time positions to operate the facility

  • Safely strengthens existing electrical infrastructure

  • Provides local capacity to reduce generator-sourced air emissions during shortages/outages

  • Improves electric grid resiliency and reliability

  • Is operationally quiet

  • Maximizes the use and integration of renewable energy sources

  • Provides new capacity for growing businesses and residential communities

  • Safely powers up to 200,000 homes for four hours per day at full project build-out

  • Helps San Diego meet its Climate Action Plan goals

Tesla Battery
Tesla Battery

These images illustrate Tesla batteries and are representative of what could be built at the Peregrine Project

Renderings © 2020 by Tesla