Data center · Loudoun County, Virginia, United States
Digital Realty (Digital Loudoun 3 & 4, LLC)
Digital Realty (Digital Loudoun 3 & 4, LLC) is a data center in Loudoun County, Virginia, United States, operated by Digital Realty Trust.
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 | Virginia DEQ issued data center air permits · Public records · checked 24 Oct 2026 |
| Address | 44540 Round Table Plaza, Ashburn, VA 20147 | Virginia DEQ issued data center air permits · record · Public records · checked 24 Oct 2026 |
| Permit date | 12 Oct 2022 (permit 74126-4, Article 6 - mNSR) | Virginia DEQ issued data center air permits · record · Public records · checked 24 Oct 2026 |
| Operator | Digital Realty Trust | Virginia DEQ issued data center air permits · record · Public records · checked 24 Oct 2026 |
| Backup generators | 716 MW (245 generator sets, permit 74126-4) | Virginia DEQ issued data center air permits · record · Public records · checked 24 Oct 2026 |
| Coordinates | 39.0066, -77.4664 | OpenStreetMap Nominatim geocoder · ODbL 1.0 · checked 24 Oct 2026 |
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How its operator compares
Digital Realty Trust operates 4 of the 244 data centers in the United States in our data with a named owner; 9 owners have more. Counts cover the data centers in our data that name an owner, holder or operator; an asset with several owners counts for each.
| Operator in United States | Rank | Data centers | Share |
|---|---|---|---|
| Amazon Data Services, Inc. | 1st | 52 | 21% |
| Microsoft | 2nd | 21 | 8.6% |
| 3rd | 19 | 7.8% | |
| Meta | 4th | 17 | 7% |
| CoreWeave | 5th | 8 | 3.3% |
| Digital Realty Trust | 10th | 4 | 1.6% |
Timeline
Dated facts about this data center from its sources, oldest first.
- Air permit to build issued (minor new source review), no. 74126-4
- Digital Realty Trust on record as operator
Nearby
Within 50 km of this data center: 2 power plants (1 operating, 812 MW), measured from the coordinates in the facts above.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Dulles Solar and Storage | Power plant | 150 MW | Under construction | 6.9 km |
| Potomac Energy Center, LLC | Power plant | 812 MW | Operating | 8.9 km |
Operator and place
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Other data centers in Virginia
Data on this page
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- Epoch AI. Epoch AI data centers, CC BY 4.0.
- © OpenStreetMap contributors. OpenStreetMap Nominatim geocoder, ODbL 1.0.
- Virginia DEQ issued data center air permits. Virginia DEQ issued data center air permits, Public records.