Microsoft Gainesville (MNZ03) Data Center
approved CampusOperated by Microsoft Corporation
Virginia DEQ issued Microsoft an air permit (Registration No. 74236) on August 5, 2024 to construct and operate emergency engine gen-sets and diesel fire pumps at the Gainesville MNZ03 data center in Bristow, Prince William County. The equipment list covers 20 Caterpillar C175-16 emergency gen-sets rated 3,100 ekW each, one Caterpillar C27 unit at 750 ekW, and two John Deere diesel fire pumps.
Land use jurisdiction: Prince William County
01
Measurements on record
02
Approvals, by aspect
| Aspect | Approving body | Instrument | Status |
|---|---|---|---|
| Air permit (backup generators) | Virginia Department of Environmental Quality | Article 6 minor NSR permit to construct and operate, Registration No. 74236 (2024-08-05) document |
on record |
| Land use entitlement (CUP / rezoning) | not yet requested | ||
| CEQA review | not yet requested | ||
| Building permit | not yet requested | ||
| Water supply (will-serve) | not yet requested | ||
| Wastewater / septic | not yet requested | ||
| Stormwater / retention ponds / dry wells | not yet requested | ||
| Grid interconnection | not yet requested | ||
| Natural gas supply | not yet requested | ||
| Tax abatement / development agreement | not yet requested |
03
Location and sources
Bristow, Prince William County, Virginia
Every record links to its source: openly licensed datasets (Epoch AI, CC BY; Wikidata, CC0; US EPA, public domain) and public permit records. Full sourcing and licensing: methodology · sources.