All industries › Battery storage › Arizona › Sierra Luna Energy Storage
Battery storage · Maricopa County, Arizona
Sierra Luna Energy Storage
A 150 MW battery storage project in Maricopa County, Arizona. Sierra Luna Energy Storage has asked to connect to the grid or filed for its first approvals; nothing on record yet commits money to it. Public records name Sierra Luna Energy Storage LLC as its developer. No public record read so far names its builder.
The record
What the public record says about Sierra Luna Energy Storage, as of 23 Oct 2026.
| Stage | Queued |
|---|---|
| Construction start | Q4 2029 estimate |
| Size | 150 MW |
| Location | Maricopa County, Arizona (to about 10 km) |
| Developer | Sierra Luna 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 |
| Desert BloomBattery storage | Under construction | 150 MW |
More
Questions
Sierra Luna Energy Storage, in short.
Where is Sierra Luna Energy Storage?
Sierra Luna Energy Storage is a 150 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 Luna Energy Storage?
Groundtrace estimates construction starts in the fourth quarter of 2029. This is an estimate from the project's filings, not a date any record states; the exact date and the record behind it are in the subscriber record.
Who is developing Sierra Luna Energy Storage?
Sierra Luna Energy Storage LLC, as the public record names it.
Who is building Sierra Luna Energy Storage?
No public record read so far names a builder for Sierra Luna 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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