All industries › Battery storage › Arizona › Westwing
Battery storage · Maricopa County, Arizona
Westwing
A 200 MW battery storage project in Maricopa County, Arizona. Westwing is built and in service. Public records name AES Clean Energy as its developer. No public record read so far names its builder.
The record
What the public record says about Westwing, as of 25 Oct 2026.
| Stage | Operating |
|---|---|
| Construction start | In service since 2024 |
| Size | 200 MW |
| Location | Maricopa County, Arizona (to about 10 km) |
| Developer | AES Clean Energy |
| Grid operator | — |
| Builder (EPC) | Not named yet |
| Trade subcontractors | in the app |
| People to call | in the app |
| Phase windows | in the app |
Every fact in the app links to the public record behind it, with how many records agree and whether it is confirmed, reported or an estimate. What the terms mean.
What happened
Each change dated by the scene or the document, newest first.
- Stormwater permit filed.
- A filing dates the construction start to April 2022.
Who was named on it, and when, is in the app.
Also developed by AES Clean Energy
| Project | Stage | Size |
|---|---|---|
| Sycamore Cross SolarUtility solar · Isle of Wight County, Virginia | Under construction | 240 MW |
| Halifax County SolarUtility solar · Halifax County, North Carolina | Under construction | 80 MW |
| JASMINEUtility solar · Kern County, California | Under construction | 71 MW |
| Baldy Mesa StorageBattery storage · San Bernardino County, California | Under construction | 50 MW |
| Kuihelani Phase 2Utility solar · Maui County, Hawaii | Under construction | 40 MW |
| Allen CSGUtility solar · Peoria County, Illinois | Under construction | 5 MW |
Also in Maricopa County
| Project | Stage | Size |
|---|---|---|
| Maricopa SolarBattery storage | Under construction | 550 MW |
| APS request Q332Utility solar | Under construction | 350 MW |
| Romero Energy CenterBattery storage | Under construction | 225 MW |
| Romero Energy Center IIBattery storage | Under construction | 225 MW |
| AgaveBattery storage | Under construction | 150 MW |
| White Tank Energy StorageBattery storage | Under construction | 100 MW |
More
Questions
Westwing, in short.
Where is Westwing?
Westwing is a 200 MW battery storage project in Maricopa County, Arizona. The public page places it to within about ten kilometres; the precise location is in the subscriber record.
When does construction start on Westwing?
Westwing is built and in service since 2024.
Who is developing Westwing?
AES Clean Energy, as the public record names it.
Who is building Westwing?
No public record read so far names a builder for Westwing. Groundtrace leaves the field empty rather than guess, and fills it when a permit, a filing or the builder's own page names one.
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