The Mustang Solar Plant – Battery Energy Storage System is a 75,000kW energy storage project located in Kings County, California, US. The rated storage capacity of the project is 300,000kWh.

The electro-chemical battery energy storage project uses lithium-ion as its storage technology. The project will be commissioned in 2021.


The Mustang Solar Plant – Battery Energy Storage System is being developed by Canadian Solar (USA). The project is owned by Goldman Sachs Renewable Power (100%).

Contractors involved

Goldman Sachs Renewable Power is the owner. Canadian Solar (USA) is the developer.

Additional information

The 75 MW or 4-hour 300 MWh energy storage system is a retrofit addition to the Mustang solar plant in King’s County, California, which was originally developed by Canadian Solar’s wholly owned subsidiary Recurrent Energy, LLC (“Recurrent Energy”). The solar plant was connected to the grid in August 2016 and the project’s equity stake was later sold to Goldman Sachs in May 2019.


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.