The Southern Power-esVolta – Battery Energy Storage Systems is an 86,000kW energy storage project located in California, US. The rated storage capacity of the project is 345,000kWh.


The Southern Power-esVolta – Battery Energy Storage Systems is being developed by esVolta. The project is owned by esVolta (50%) and Southern Power (50%), a subsidiary of Southern.

Contractors involved

esVolta and Southern Power are the owners. esVolta is the developer.

Additional information

Southern Power has formed a partnership with esVolta for the development of four utility-scale energy projects to be located in California. The four energy storage projects will have more than 86 MW/345 MWh of capacity. Southern Power and esVolta stated that investment in one of the projects has been closed and for the remaining three projects, investment closure is yet to take place. Southern Power, a subsidiary of Southern Company.

About esVolta

esVolta (esVolta) is a developer, owner and operator of utility-scale energy storage projects that develops a large pipeline of future storage projects. esVolta is headquartered in Aliso Viejo, California, the US.


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.