# AES ES Alamitos, LLC

CAISO asset profile · https://askthegrid.com/assets/facilities/aes-es-alamitos-llc

A four-hour storage plant built as 33 Fluence battery cores

Alamitos is AES's 100 MW / 400 MWh four-hour battery in Long Beach. ENR's exact-project construction record describes 33 Fluence Advancion 5 battery cores, 99 nodes, 1,386 racks, and 33 inverters inside a dedicated battery building.

## Profile

- **Equipment architecture:** Each of 33 cores contains three nodes, and each node contains 14 racks: 99 nodes and 1,386 racks in total.
- **Contract:** The asset serves Southern California Edison under a 20-year PPA.

## Metrics

- **Storage:** 100 MW / 400 MWh — Four-hour EIA/owner basis.
- **Battery cores:** 33 — 99 nodes and 1,386 racks.
- **Inverters:** 33 — ENR exact-project construction record.

## Facts

- **Owner / operator:** AES ES Alamitos, LLC
- **Battery platform:** Fluence Advancion 5
- **Offtaker:** Southern California Edison

## Related parties

- **Owner / operator:** AES ES Alamitos, LLC — EIA and AES records ([source](https://www.aes.com/newsroom/aes-commissions-alamitos-energy-storage-facility-long-beach-california))

## Sources

- [Project of the Year](https://www.enr.com/articles/52484-project-of-the-year-battery-storage-highlights-a-first-of-its-kind-building) — Engineering News-Record · independent exact-project record — Exact equipment architecture, construction, and building details.

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Canonical page: https://askthegrid.com/assets/facilities/aes-es-alamitos-llc
Website: [AES ES Alamitos, LLC](https://www.aes.com/ferc-registered-entities)

Source: Ask the Grid — https://askthegrid.com/