The Grand Ridge Battery Energy Storage System is a 31,500kW energy storage project located in La Salle County, Illinois, US.

The electro-chemical battery energy storage project uses lithium-ion as its storage technology. The project was announced in 2014 and was commissioned in 2015.


The Grand Ridge Battery Energy Storage System is owned by Invenergy (100%).

The key application of the project is frequency regulation.

Contractors involved

BYD and Invenergy have delivered the battery energy storage project.

Additional information

Invenergy’s Grand Ridge Energy Storage, located in LaSalle County, Illinois, is the second-largest lithium project in the world. The project began commercial operation in May and utilizes BYD America’s Containerized Energy Storage System. Grand Ridge is the largest renewable energy center in the world with wind, solar and advanced-energy storage in one location. In addition to the 31.5 MW storage unit, Grand Ridge houses a 210 MW wind farm, a 20 MW solar project, a second, 1.5 MW energy storage project, and a third, 3 MW storage project which is currently being commissioned.


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.