# Equinix Ashburn DC11 PJM data center · https://askthegrid.com/assets/facilities/equinix-ashburn-dc11 Equinix Ashburn DC11 is an operating colocation facility at 21721 Filigree Court in Ashburn. Equinix's public DC11 page identifies the site; the reviewed record describes a two-story facility with 116,831 square feet of colocation space. It is presented as an exact facility, not a proxy for adjacent Equinix buildings on Filigree Court. The profile keeps operational design details distinct from electrical-demand or interconnection claims and maps the exact location to the PJM-serving utility territory. ## Identity and location - Operating status: operating - Asset scope: facility - Location: 21721 Filigree Court Suite B, Ashburn, Loudoun County, VA - Owner: Equinix (exact asset) — https://www.equinix.com - Operator: Equinix (exact asset) — https://www.equinix.com ## Power and grid context - Energized power: 4 MW · reported · exact asset · as of 2026-09-04 — Access to 4.0 MW of power reported for the facility (data-center listing) - Campus gross power: 21.42 MW · reported · exact asset · as of 2026-09-04 — Total potential UPS power reported as 21,420 kW (marketplace / facility spec listing) - ISO/RTO: PJM - Balancing authority: PJM Interconnection, LLC - Electric utility: Dominion Energy / Dominion Virginia Power ## Development - Site status: operating - Site area: 34.5 acres - Gross floor area: 232,000 square feet - Construction: Equinix developed DC11 as a two-story reinforced-concrete IBX data center on its Ashburn campus. Announced in Feb 2012 as a multi-phase project, Equinix described DC11 as providing approximately 232,000 gross square feet in total with ~42,800 square feet of customer (data hall) space in the first phase; the site is located adjacent to Equinix DC6 at 21721 Filigree Court Suite B, Ashburn, VA and is operating as an Equinix IBX offering 116,831 ft² of colocation space per the facility tech specs page. Additional capacity was to be built out in multiple phases and the site forms part of Equinix’s longer-term land acquisitions in Ashburn (including 34.5 acres bought in 2017 to expand capacity). ## Compute and operations - Facility classes: colocation - Workloads: colocation (customer racks), network peering / Internet exchange / interconnection, carrier and partner metro/metro-connect services - Critical IT load: 4 MW - Operating context: Equinix-operated colocation IBX (DC11) on the Equinix Ashburn campus — two-story reinforced concrete building with ~116,831 ft² customer space in initial phase, N+1 power and cooling redundancy, generator autonomy ~30 hours, built with initial capacity for ~1,200 cabinets and additional expansion capacity in later phases. ## Sources - [http://api.eia.gov/v2/electricity/operating-generator-capacity/data?api_key=DEMO_KEY&data[]=county&data[]=latitude&data[]=longitude&data[]=nameplate-capacity-mw&data[]=net-summer-capacity-mw&data[]=net-winter-capacity-mw&data[]=operating-year-month&data[]=planned-retirement-year-month&end=2026-06&facets[plantid][]=66314&frequency=monthly&start=2026-06](http://api.eia.gov/v2/electricity/operating-generator-capacity/data?api_key=DEMO_KEY&data[]=county&data[]=latitude&data[]=longitude&data[]=nameplate-capacity-mw&data[]=net-summer-capacity-mw&data[]=net-winter-capacity-mw&data[]=operating-year-month&data[]=planned-retirement-year-month&end=2026-06&facets[plantid][]=66314&frequency=monthly&start=2026-06) - [http://baxtel.com/data-center/qts-ashburn-lockridge](http://baxtel.com/data-center/qts-ashburn-lockridge) - [http://change.org/p/stop-building-data-centers-in-loudoun-county-virginia](http://change.org/p/stop-building-data-centers-in-loudoun-county-virginia) - [http://change.org/p/stop-the-data-center-development-in-ashburn-village](http://change.org/p/stop-the-data-center-development-in-ashburn-village) - [http://datacenter.fyi/public-record/equinix-4424406b](http://datacenter.fyi/public-record/equinix-4424406b) - [http://datacenters.com/equinix-dc11-ashburn](http://datacenters.com/equinix-dc11-ashburn) - [http://dominionenergy.com/en/Virginia/Large-Business-Services/Data-Center-Requests](http://dominionenergy.com/en/Virginia/Large-Business-Services/Data-Center-Requests) - [http://equinix.com/data-centers/americas-colocation/united-states-colocation/washington-dc-data-centers](http://equinix.com/data-centers/americas-colocation/united-states-colocation/washington-dc-data-centers) - [http://equinix.com/data-centers/americas-colocation/united-states-colocation/washington-dc-data-centers/dc11](http://equinix.com/data-centers/americas-colocation/united-states-colocation/washington-dc-data-centers/dc11) - [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://investor.equinix.com/news-events/press-releases/detail/702/equinix-expands-washington-d-c-data-center-campus](http://investor.equinix.com/news-events/press-releases/detail/702/equinix-expands-washington-d-c-data-center-campus) - [http://loudoun.gov/2674/Utilities](http://loudoun.gov/2674/Utilities) - [http://marketplace.upstack.com/data-centers/equinix-data-center-va-dc11](http://marketplace.upstack.com/data-centers/equinix-data-center-va-dc11) - [http://ocolo.io/colocation/equinix/dc11-ashburn](http://ocolo.io/colocation/equinix/dc11-ashburn) - [http://pjm.com/about-pjm](http://pjm.com/about-pjm) - [http://rga.lis.virginia.gov/Published/2026/RD40/PDF](http://rga.lis.virginia.gov/Published/2026/RD40/PDF) - [http://vedp.org/incentive/data-center-retail-sales-use-tax-exemption](http://vedp.org/incentive/data-center-retail-sales-use-tax-exemption) - [Everything You Need to Know About DC11: Q&A with Data Center Guru Jim Farmer - Interconnections - The Equinix Blog](https://blog.equinix.com/blog/2013/05/10/everything-you-need-to-know-about-dc11-qa-with-data-center-guru-jim-farmer/) — Equinix Blog · 2013-05-10 - [How Data Centers Use Water, and How We're Working to ...](https://blog.equinix.com/blog/2024/09/19/how-data-centers-use-water-and-how-were-working-to-use-water-responsibly/) - [How Data Centers Can Use Alternative Water Sources](https://blog.equinix.com/blog/2025/03/20/how-data-centers-can-use-alternative-water-sources/) - [Interconnection Service Requests Can Now Be Submitted ...](https://insidelines.pjm.com/all-interconnection-service-requests-can-now-be-submitted-through-queue-point-planning-tool/) - [Equinix Acquires 34 Acres of Land in Ashburn for Interconnection Data Center Expansion :: Equinix, Inc. (EQIX)](https://investor.equinix.com/news-events/press-releases/detail/305/equinix-acquires-34-acres-of-land-in-ashburn-for-interconnection-data-center-expansion) - [Equinix Expands Washington, D.C. Data Center Campus :: Equinix, Inc. (EQIX)](https://investor.equinix.com/news-events/press-releases/detail/702/equinix-expands-washington-d-c-data-center-campus) - [Equinix DC11 Data Center, Ashburn, VA, USA](https://marketplace.upstack.com/data-centers/equinix-data-center-va-dc11) - [DC11](https://mlq.ai/data-centers/usa/virginia/ashburn/equinix-dc11-ashburn/) - [Equinix LLC — Loudoun County, VA | Groundwork - Canonical](https://www.canonical.cc/labs/groundwork/site/equinix-llc-loudoun/) - [Ashburn Data Centers - 140 Facilities from 3 Operators](https://www.datacentermap.com/usa/virginia/ashburn/) - [Equinix Data Center in Herndon, Virginia](https://www.datacenters.com/equinix-dc11-ashburn) - [Issued Air Permits for Data Centers | Virginia DEQ](https://www.deq.virginia.gov/news-info/shortcuts/permits/air/issued-air-permits-for-data-centers) - [DC11](https://www.equinix.com/data-centers/americas-colocation/united-states-colocation/washington-dc-data-centers/dc11) - [DC2](https://www.equinix.com/data-centers/americas-colocation/united-states-colocation/washington-dc-data-centers/dc2) - [Data Center Standards & Locations | Loudoun County, VA - Official Website](https://www.loudoun.gov/datacenterstandards) - [Equinix DC11](https://www.paradigmse.com/projects/equinix-dc11) — Paradigm Structural Engineers · 2026-01-02 - [Equinix Washington DC (DC11) datacenter specifications](https://www.semanticnet.net/facility/ry2kC0n2cTNmDkIDBpZI/equinix-washington-dc-dc11) ## Data quality - Power values retain their reported, requested, contracted, energized, gross-campus, or critical-IT basis. --- Canonical page: https://askthegrid.com/assets/facilities/equinix-ashburn-dc11 Profile generated: 2026-09-04T13:46:27.532767Z Source: Ask the Grid — https://askthegrid.com/