Data center · Loudoun County, Virginia, United States
Amazon Data Services Inc IAD-156 IAD-157 IAD-158 IAD-159 IAD-327
Amazon Data Services Inc IAD-156 IAD-157 IAD-158 IAD-159 IAD-327 is a data center in Loudoun County, Virginia, United States, operated by Amazon Data Services, Inc.
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 | 43920 Lone Cedar Lane, Chantilly, VA 20152 | Virginia DEQ issued data center air permits · record · Public records · checked 24 Oct 2026 |
| Permit date | 24 Jun 2025 (permit 74250-2, Article 6 - mNSR) | Virginia DEQ issued data center air permits · record · Public records · checked 24 Oct 2026 |
| Operator | Amazon Data Services, Inc. | Virginia DEQ issued data center air permits · record · Public records · checked 24 Oct 2026 |
| Backup generators | 363 MW (140 generator sets, 286 MW of them for non-emergency use, permit 74250-2) | Virginia DEQ issued data center air permits · record · Public records · checked 24 Oct 2026 |
| Coordinates | 38.9213, -77.4858 | OpenStreetMap Nominatim geocoder · ODbL 1.0 · checked 24 Oct 2026 |
Know more about this data center, or want an introduction to its operator? Ask us.
How its operator compares
Amazon Data Services, Inc. operates 52 of the 244 data centers in the United States in our data with a named owner; the most of any owner. 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 Corporation | 2nd | 21 | 8.6% |
| 3rd | 19 | 7.8% | |
| Meta | 4th | 17 | 7% |
| CoreWeave | 5th | 8 | 3.3% |
Timeline
Dated facts about this data center from its sources, oldest first.
- Air permit to build issued (minor new source review), no. 74250-2
- Amazon Data Services, Inc. on record as operator
Nearby
Within 50 km of this data center: 4 power plants (3 operating, 2,227 MW), measured from the coordinates in the facts above. The table shows the nearest 3.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Dulles Solar and Storage | Power plant | 150 MW | Under construction | 3.4 km |
| Potomac Energy Center, LLC | Power plant | 812 MW | Operating | 16 km |
| Possum Point | Power plant | 709 MW | Operating | 46 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.