# Microsoft Warrenton Training Center Station B Data Center

PJM data center · https://askthegrid.com/assets/facilities/microsoft-warrenton-training-center-station-b-data-center--grid-load-e60eb4c563c5fb6c

This is a data center at 7471 Bear Wallow Road near Warrenton in Fauquier County, Virginia, on the federally owned Warrenton Training Center. Microsoft Corporation holds a Virginia air permit to modify and operate emission units at the facility. Data center operations at the training center were reported in 2022, when Microsoft paid county taxes on equipment it leases to others. Published sources give no utility service or IT load figure for the site; the permitted equipment is emergency diesel generation. Power reaches the training center data centers through the Warrenton substation.

## Identity and location

- Operating status: operating
- Asset scope: facility
- Location: 7471 Bear Wallow Road, Warrenton, Fauquier County, VA

## Power and grid context

- ISO/RTO: PJM
- Electric utility: Virginia Electric & Power Co
- Substation: Warrenton substation, which supplies the two data centers at the Warrenton Training Center

## Sources

- [Amazon data center could bring in $3 million in annual taxes for county, town | | princewilliamtimes.com](https://www.princewilliamtimes.com/amazon-data-center-could-bring-in-3-million-in-annual-taxes-for-county-town/article_ef09198c-c5fe-56bc-b36e-9a1d9ce2decf.html)
- [Access Denied](https://www.deq.virginia.gov/home/showpublisheddocument/25952/638633854222530000)
- [Access Denied](https://www.deq.virginia.gov/news-info/shortcuts/permits/air/issued-air-permits-for-data-centers)
- [Dominion: New transmission lines, substation might not be needed for controversial Warrenton data center | News | princewilliamtimes.com](https://www.princewilliamtimes.com/news/dominion-new-transmission-lines-substation-might-not-be-needed-for-controversial-warrenton-data-center/article_0c922244-30cc-5090-9fb0-b4208118e45a.html)
- [https://apps.deq.virginia.gov/arcgis/rest/services/public/EDMA/MapServer/294/query?where=PLA_REG_NUM%3D74201&outFields=*&outSR=4326&f=pjson](https://apps.deq.virginia.gov/arcgis/rest/services/public/EDMA/MapServer/294/query?where=PLA_REG_NUM%3D74201&outFields=*&outSR=4326&f=pjson)
- [Data center developer files pre-application for 1.4-million-...](https://www.fauquiernow.com/news/business/data-center-developer-files-pre-application-for-1-4-million-square-foot-facility-in-catlett/article_85f6eebe-ce77-11ed-90b7-6b8ddd23b75f.html)
- [https://services3.arcgis.com/OYP7N6mAJJCyH6hd/arcgis/rest/services/Electric_Retail_Service_Territories_HIFLD/FeatureServer/0/query?f=json&where=1%3D1&geometry=-77.82590208832943%2C38.73807160194854&geometryType=esriGeometryPoint&inSR=4326&spatialRel=esriSpatialRelIntersects&outFields=ID%2CNAME&returnGeometry=false](https://services3.arcgis.com/OYP7N6mAJJCyH6hd/arcgis/rest/services/Electric_Retail_Service_Territories_HIFLD/FeatureServer/0/query?f=json&where=1%3D1&geometry=-77.82590208832943%2C38.73807160194854&geometryType=esriGeometryPoint&inSR=4326&spatialRel=esriSpatialRelIntersects&outFields=ID%2CNAME&returnGeometry=false)

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Canonical page: https://askthegrid.com/assets/facilities/microsoft-warrenton-training-center-station-b-data-center--grid-load-e60eb4c563c5fb6c
Profile generated: 2026-11-02T19:59:48.659746Z
Source: Ask the Grid — https://askthegrid.com/