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Data centers · Loudoun County, Virginia
Project Allegro South Campus - Phase 1
A data center project in Loudoun County, Virginia. Project Allegro South Campus - Phase 1 has work under way on site. Public records name Yondr as its developer. No public record read so far names its builder.
The record
What the public record says about Project Allegro South Campus - Phase 1, as of 22 Oct 2026.
| Stage | Under construction |
|---|---|
| Construction start | Q3 2024 permit on file |
| Size | Not on record |
| Location | Loudoun County, Virginia (to about 10 km) |
| Developer | Yondr |
| 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.
- Stormwater permit filed.
- Satellite imagery shows first ground work on site.
- Site work seen on site from satellite.
Who was named on it, and when, is in the app.
Also developed by Yondr
| Project | Stage | Size |
|---|---|---|
| Allegro North Campus - Building 2AData centers · Loudoun County, Virginia | Under construction | — |
Also in Loudoun County
| Project | Stage | Size |
|---|---|---|
| Dulles SolarUtility solar | Under construction | 100 MW |
| Evergreen Energy CenterBattery storage | Under construction | 20 MW |
| Allegro North Campus - Building 2AData centers | Under construction | — |
| AREP Beaumeade Data CenterData centers | Under construction | — |
| Corscale VA2 Building 1Data centers | Under construction | — |
| Darvish Data CenterData centers | Under construction | — |
More
Questions
Project Allegro South Campus - Phase 1, in short.
Where is Project Allegro South Campus - Phase 1?
Project Allegro South Campus - Phase 1 is a data center project in Loudoun County, Virginia. The public page places it to within about ten kilometres; the precise location is in the subscriber record.
When does construction start on Project Allegro South Campus - Phase 1?
A construction permit on file dates the start of work to the third quarter of 2024.
Who is developing Project Allegro South Campus - Phase 1?
Yondr, as the public record names it.
Who is building Project Allegro South Campus - Phase 1?
No public record read so far names a builder for Project Allegro South Campus - Phase 1. 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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