The Marsh Landing Gas Turbine Power Project – Battery Energy Storage System is a 7,000kW energy storage project located in Contra Costa, California, US. The rated storage capacity of the project is 5,480kWh.

The project will be commissioned in 2021.

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The Marsh Landing Gas Turbine Power Project – Battery Energy Storage System is owned by Clearway Energy (100%), a subsidiary of Clearway Energy Group.

The key applications of the project are emergency backup and black start.

Contractors involved

Clearway Energy is the owner. Fluence Energy is the technology provider for the project.

Siemens Energy is the EPC contractor for the project.

Additional information

The battery storage system will be able to support up to three attempts to restart the two Marsh Landing gas turbine units within one hour.


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.