The Obsidian Solar PV Park – Battery Energy Storage System is a 50,000kW energy storage project located in Lake County, Oregon, US.

The electro-chemical battery energy storage project uses flow as its storage technology. The project will be commissioned in 2023.

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The Obsidian Solar PV Park – Battery Energy Storage System is being developed by Obsidian Renewables. The project is owned by Obsidian Renewables (100%).

The key applications of the project are renewable capacity firming, renewable energy time shift and grid supportive services.

Contractors involved

Obsidian Renewables is the owner. Obsidian Renewables is the developer.

Additional information

The project is slated to include up to 400-MW of utility-scale solar with energy storage to help replace Pacific Northwest coal plant retirements. The project is designed to be the largest and lowest cost solar facility in the Pacific Northwest.


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.