Skip to content

AES Alamitos BESS Facility Named ENR California Project of the Year

AES Alamitos Energy Center (Source: AES Corporation)

UPDATE: AES Alamitos Battery Energy Storage System (BESS) has been named Engineering News-Record California’s 2021 SoCal Project of the Year!

Announced in July as ENR California’s Project of the Year in the Energy/Industrial category, the AES Alamitos BESS Facility was one of several category winners in the running for the overall Regional Project of the Year award. Shortlisted in September, the project team received the top honor for Southern California during an awards breakfast at the Omni Hotel in downtown Los Angeles on October 13th.

Completed in 2020 and located in Long Beach, the AES Alamitos BESS project made history as the first stand-alone energy storage project in the United States built specifically instead of a new natural gas peaking plant. The 100-megawatt, 400 megawatt-hour facility is one of the largest battery storage systems in operation in the world today.

Congratulations to all the firms associated with this project, and especially to the Psomas  Orange County Land Development team of Steven Zehner, Jaylee McDowell, Henry Nguyen and Tom Pilarski from Orange County Survey for contributing to the first-of-its kind project, helping the State of California meet its goal of 100% carbon-free energy by 2045.

The AES Alamitos Battery Storage System project also recently received the 2021 US Edison Award from the Edison Electric Institute—the highest honor awarded in the electric industry!

For more details on this award-winning project click HERE.

OWNER: The AES Corp.

LEAD DESIGN FIRM: Bennett & Pless Inc.




MEP ENGINEER: R.G. Vanderweil Engineers LLP


Project of the Year: Battery Storage Highlights A First-of-Its-Kind Building | Engineering News-Record (

Back To Top