Data center · Loudoun County, Virginia, United States
Yondr Allegro South data center
Yondr Allegro South data center is a data center in Loudoun County, Virginia, United States, with a 30,813 m² building, operated by Yondr. It is in an area of low water stress.
Power and water
Water stress here is low: withdrawals take 5.6% of the renewable water supply of its sub-basin (WRI Aqueduct 4.0, baseline, score 0.2 of 5).
Distances run between the points of the records. How the grid and plants nearby are found; water stress from WRI Aqueduct 4.0.
Facts
Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.
| Fact | Value | Source |
|---|---|---|
| Location | Loudoun County, Virginia | OpenStreetMap data centers · record · ODbL 1.0 · checked 24 Oct 2026 |
| Address | 24171 Youngwood Lane | OpenStreetMap data centers · record · ODbL 1.0 · checked 24 Oct 2026 |
| Operator | Yondr | OpenStreetMap data centers · record · ODbL 1.0 · checked 24 Oct 2026 |
| Water stress | Low (under 10%) (score 0.2 of 5, withdrawals 5.6% of renewable supply) | WRI Aqueduct 4.0 · CC BY 4.0 · checked 25 Oct 2026 |
| Building footprint | 30,813 m² (building) | OpenStreetMap data centers · record · ODbL 1.0 · checked 24 Oct 2026 |
| Coordinates | 38.9492, -77.5498 | OpenStreetMap data centers · record · ODbL 1.0 · checked 24 Oct 2026 |
Research on this data center and its operator.Who owns it up to the parent company, its power supply, grid connection and planning status, and an introduction to the operator.
Request researchNearby
Within 50 km of this data center: 4 power plants (2 operating, 1,518 MW) and 2 mines, measured from the coordinates in the facts above. The table shows the nearest 5, up to 3 per kind.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Dulles Solar and Storage | Power plant | 150 MW | Under construction | 4.3 km |
| Chantilly Crushed Stone Incorporated | Mine | — | Operating | 5.7 km |
| Potomac Energy Center, LLC | Power plant | 812 MW | Operating | 12 km |
| Dickerson | Power plant | 588 MW | Closed | 30 km |
| Amrize Millville Quarry | Mine | — | Operating | 43 km |
Operator and place
More from Yondr
- Yondr data center, Englanddata center
Other data centers in Virginia
Data on this page
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- MSHA Mines Data Set. MSHA Mines Data Set, Public domain.
- © OpenStreetMap contributors. OpenStreetMap data centers, ODbL 1.0.
- Kuzma, S., M.F.P. Bierkens, S. Lakshman, T. Luo, L. Saccoccia, E. H. Sutanudjaja, and R. Van Beek. 2023. Aqueduct 4.0: Updated Decision-Relevant Global Water Risk Indicators. Technical Note. Washington, DC: World Resources Institute. doi.org/10.46830/writn.23.00061. WRI Aqueduct 4.0, CC BY 4.0.