The Ormat-Vallecito Battery Energy Storage System is a 10,000kW energy storage project located in Vallecito, California, US.

The project was announced in 2018 and will be commissioned in 2021.


The Ormat-Vallecito Battery Energy Storage System is being developed by Ormat International. The project is owned by Southern California Edison (100%), a subsidiary of Edison International.

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

Contractors involved

Southern California Edison is the owner. Ormat International is the developer.

Additional information

The project is a part of SCE’s Aliso Canyon Energy Storage 2 Request For Offers and Local Capacity Requirements Request For Proposals. Southern California Edison has signed seven contracts for 195 MW of battery-based energy storage resources to meet local capacity requirements in the Santa Clara sub-area of its electrical system.

About Ormat International

Ormat International, Inc. is a provider of power systems using heat sources such as geothermal energy, industrial waste heat, solar energy, biomass and low grade fuels.


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.