The Alamitos Energy Center – Battery Energy Storage System is a 100,000kW energy storage project located in Long Beach, California, 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 2021.
Description
The Alamitos Energy Center – Battery Energy Storage System was developed by AES Energy Storage. The project is owned by AES Southland Energy (100%), a subsidiary of The AES.
The key application of the project is storage facility will serve as a peaking plant that will provide both the ability to charge during off-peak periods and discharge for up to four hours in combination with providing grid stabilizing services.
Contractors involved

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By GlobalDataAES Energy Storage, AES Southland Energy and Fluence Energy have delivered the battery energy storage project.
Additional information
AES Southland was awarded a 20-year power purchase agreement (PPA) by SCE in 2014 to provide 100 MW of interconnected energy storage. It is part of a $2 billion repowering initiative in Long Beach to replace aging natural gas peakers with a combination of efficient combined-cycle gas capacity and battery energy storage.
About AES Energy Storage
AES Energy Storage LLC (AES Energy), a subsidiary of The AES Corp, is an energy service provider that offers commercial energy storage solutions. The company provides operation and maintenance, and planning and deployment services. Its planning and deployment services include facilities design and engineering, site development and preparation, geotechnical evaluation and permitting, interconnection engineering, bidding management, procurement and construction, critical system commissioning, facility commissioning, and project planning. AES Energy owns and operates power plants in the US. The company caters its services to the utilities, power markets, independent power producers, and renewable developers. AES Energy is headquartered in Arlington, Virginia, the US.
Methodology
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.