Microsoft Hillcrest campus, South Hill
A Microsoft data center site at 210 Tunstall Road near South Hill, permitted by DEQ for backup generators at its AVC01 and AVC09 data centers. Also known as: AVC01, AVC09, Hillcrest Site Data Center.
Who is behind it
The record, newest first
DEQ issued an air permit for Microsoft's AVC09 data center in Mecklenburg County. (Virginia Department of Environmental Quality, Oct. 30, 2026)
DEQ approved an amended permit for 63 backup generator sets at the AVC01 data center at 210 Tunstall Road. (Virginia Department of Environmental Quality, Sept. 28, 2023)
Comments closed on Microsoft's Army Corps permit application for three data center buildings and a substation on 132 acres, reduced from eight buildings to limit wetland and stream impacts. (Data Center Dynamics, Aug. 2022)
Microsoft received zoning approval for the site in early 2021, according to later reporting. (Data Center Dynamics, Aug. 2022)
Conflicts and open questions
- The AVC01 permit address is spelled 'Turnstall Road'; reporting uses 'Tunstall Road'.
- May overlap with the South Hill sites counted in microsoft-mecklenburg; split out because DEQ and Corps records document it as a distinct site.
The full record
- Status note
- DEQ air permits cover the AVC01 and AVC09 data centers at the site; whether buildings are operating was not confirmed from a source opened.
- Power note
- Microsoft has not disclosed capacity. A 2022 report said the original eight-building design totaled 336 MW before it was cut to three buildings.
- Evidence
- Primary public records
- Size class
- 50 MW or more (tracker scope)