# CyrusOne NVA9

PJM data center · https://askthegrid.com/assets/facilities/cyrusone-nva9

CyrusOne's NVA9 is a 700,000 sq. ft. data center in Sterling in Loudoun County, Virginia, and a 2019 Loudoun County Board of Supervisors item places CyrusOne's Sterling IX facility at 43290 Old Ox Road. The operator lists 38 MW of IT capacity. Cooling uses roof-mounted air-cooled chillers in a zero-water, closed-loop system. The county item records an air permit application for up to 33 diesel emergency generators.

## Identity and location

- Operating status: operating
- Asset scope: facility
- Location: 43290 Old Ox Road, Sterling, Loudoun County, VA
- Operator: CyrusOne (exact asset) — https://www.cyrusone.com

## Power and grid context

- Reported unspecified: 38 MW · reported · exact asset — Operator-reported IT capacity; basis unspecified.

## Development

- Gross floor area: 700,000 square feet

## Compute and operations

- Facility classes: colocation

## Sources

- [U.S. Census street-address geocode](https://geocoding.geo.census.gov/geocoder/geographies/onelineaddress?address=43290+Old+Ox+Road%2C+Sterling%2C+VA&benchmark=Public_AR_Current&vintage=Current_Current&format=json)
- [https://loudoun.granicus.com/MetaViewer.php?view_id=77&clip_id=6070&meta_id=165997](https://loudoun.granicus.com/MetaViewer.php?view_id=77&clip_id=6070&meta_id=165997)
- [https://www.cyrusone.com/data-centers/north-america/sterling-virginia-nva9](https://www.cyrusone.com/data-centers/north-america/sterling-virginia-nva9)

## Data quality

- Power values retain their reported, requested, contracted, energized, gross-campus, or critical-IT basis.
- Map point: approximate U.S. Census street-address geocode.

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Canonical page: https://askthegrid.com/assets/facilities/cyrusone-nva9
Profile generated: 2026-10-09T00:03:15.451257Z
Source: Ask the Grid — https://askthegrid.com/