All industries › Battery storage › Arizona › Sierra Estrella Energy Storage
Battery storage · Maricopa County, Arizona
Sierra Estrella Energy Storage
A 250 MW battery storage project in Maricopa County, Arizona. Sierra Estrella Energy Storage is built and in service. Public records name Sierra Estrella Energy Storage, LLC as its developer. No public record read so far names its builder.
The record
What the public record says about Sierra Estrella Energy Storage, as of 25 Oct 2026.
| Stage | Operating |
|---|---|
| Construction start | In service since 2024 |
| Size | 250 MW |
| Location | Maricopa County, Arizona (to about 10 km) |
| Developer | Sierra Estrella Energy Storage, LLC |
| 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.
No change on record since Groundtrace started tracking it.
Who was named on it, and when, is in the app.
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
Sierra Estrella Energy Storage, in short.
Where is Sierra Estrella Energy Storage?
Sierra Estrella Energy Storage is a 250 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 Sierra Estrella Energy Storage?
Sierra Estrella Energy Storage is built and in service since 2024.
Who is developing Sierra Estrella Energy Storage?
Sierra Estrella Energy Storage, LLC, as the public record names it.
Who is building Sierra Estrella Energy Storage?
No public record read so far names a builder for Sierra Estrella Energy Storage. 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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