# Equinix Ashburn DC4

PJM data center · https://askthegrid.com/assets/facilities/equinix-ashburn-dc4

Equinix Ashburn DC4 is a building data center in Ashburn, Loudoun County, VA. Equinix is identified as the operator, and the facility is operating. It is identified as part of Equinix Ashburn Campus. Spatial service-territory evidence associates the site with Northern Virginia Electric Cooperative; the profile assigns the asset to PJM through that documented market role. Reported development, power, and commercial facts retain their source-specific facility, campus, building, or phase scope; the page does not collapse those values into a single implied load.

## Identity and location

- Operating status: operating
- Asset scope: building
- Location: 21691 Filigree Court, Ashburn, Loudoun County, VA
- Owner: Equinix LLC (exact asset) — https://www.equinix.com
- Operator: Equinix (exact asset) — https://www.equinix.com
- Developer: Equinix LLC (exact asset) — https://www.equinix.com
- Utility: Dominion Virginia Power (exact asset) — https://www.dominionenergy.com/en/About/Delivering-Energy/Electric-Transmission-Access
- Regulator: PJM Interconnection (exact asset) — https://www.pjm.com

## Power and grid context

- ISO/RTO: PJM
- Balancing authority: PJM Interconnection
- Electric utility: Northern Virginia Electric Cooperative

## Development

- Site area: 9.4 acres
- Gross floor area: 99,969 square feet
- Buildings: 1
- Construction: Equinix DC4 opened in 2007; it is a 1‑story building on a 9.4‑acre site with 99,969 sq ft total floor area, 60,587 sq ft colocation space, and 6.0 MW power capacity.

## Compute and operations

- Facility classes: colocation
- Workloads: AI, high-density, cloud
- Operating context: Colocation facility offering N+2 power redundancy, N+20% cooling redundancy, and a range of interconnection services including cross‑connects and Equinix Fabric.

## Sources

- [http://datacenter.fyi/public-record/d0a489dd](http://datacenter.fyi/public-record/d0a489dd)
- [http://datacenter.fyi/public-record/equinix-4424406b](http://datacenter.fyi/public-record/equinix-4424406b)
- [http://deq.virginia.gov/news-info/shortcuts/permits/air/issued-air-permits-for-data-centers](http://deq.virginia.gov/news-info/shortcuts/permits/air/issued-air-permits-for-data-centers)
- [http://equinix.com/data-centers/americas-colocation/united-states-colocation/washington-dc-data-centers/dc5](http://equinix.com/data-centers/americas-colocation/united-states-colocation/washington-dc-data-centers/dc5)
- [http://investor.equinix.com/news-events/press-releases/detail/305/equinix-acquires-34-acres-of-land-in-ashburn-for](http://investor.equinix.com/news-events/press-releases/detail/305/equinix-acquires-34-acres-of-land-in-ashburn-for)
- [http://loudoun.gov/2674/Utilities](http://loudoun.gov/2674/Utilities)
- [http://openei.org/wiki/RAPID/BulkTransmission/Virginia](http://openei.org/wiki/RAPID/BulkTransmission/Virginia)
- [http://overwatts.com/asset/osm-way-239147724](http://overwatts.com/asset/osm-way-239147724)
- [http://services3.arcgis.com/Ww6Zhg5FR2pLMf1C/ArcGIS/rest/services/VA_Electric_2016/FeatureServer/0/query?f=json&geometry=-77.5949050,38.7780614&geometryType=esriGeometryPoint&inSR=4326&outFields=Provider,Utility&returnGeometry=false&spatialRel=esriSpatialRelIntersects&where=1=1](http://services3.arcgis.com/Ww6Zhg5FR2pLMf1C/ArcGIS/rest/services/VA_Electric_2016/FeatureServer/0/query?f=json&geometry=-77.5949050,38.7780614&geometryType=esriGeometryPoint&inSR=4326&outFields=Provider,Utility&returnGeometry=false&spatialRel=esriSpatialRelIntersects&where=1=1)
- [http://vedp.org/incentive/data-center-retail-sales-use-tax-exemption](http://vedp.org/incentive/data-center-retail-sales-use-tax-exemption)
- [Equinix Ashburn DC4 Data Center](https://baxtel.com/data-center/equinix-ashburn-dc4-f292a6c2-9340-43c9-821a-abfe935da89e)
- [Equinix DC4 Data Center, Ashburn, VA, USA](https://marketplace.upstack.com/data-centers/equinix-data-center-va-dc4)
- [Equinix DC4 — Equinix Data Center, Ashburn VA | USDataMap](https://usdatamap.com/facility/equinix-dc4-va-eqx-4)
- [Equinix Data Center in Ashburn, Virginia](https://www.datacenters.com/equinix-dc4-ashburn)
- [Washington D.C. Data Centers](https://www.equinix.com/data-centers/americas-colocation/united-states-colocation/washington-dc-data-centers)
- [DC4](https://www.equinix.com/data-centers/americas-colocation/united-states-colocation/washington-dc-data-centers/dc4)
- [Virginia Data Center Reform Coalition](https://www.pecva.org/region/regional-state-national-region/general-assembly/virginia-data-center-reform-coalition/)
- [Reliability Analysis Update](https://www.pjm.com/-/media/DotCom/committees-groups/committees/teac/20181213/20181213-dominion-supplemental.ashx)

## Data quality

- Source is the official Equinix website for DC4, providing authoritative facility specifications and address.
- Power values retain their reported, requested, contracted, energized, gross-campus, or critical-IT basis.

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Canonical page: https://askthegrid.com/assets/facilities/equinix-ashburn-dc4
Profile generated: 2026-09-04T14:28:32.838652Z
Source: Ask the Grid — https://askthegrid.com/