# Digital Realty ACC6

PJM data center · https://askthegrid.com/assets/facilities/digital-realty-acc6

Digital Realty ACC6 is an operating building at 44461 Chilum Place within the Ashburn Corporate Center campus. Digital Realty identifies it as ACC6; public facility material describes a single-story, roughly 222,000-square-foot building with N+2 UPS and cooling redundancy, multiple fiber entries, LEED Silver, and Energy Star recognition. These are facility-design attributes, not a claim about electrical load. Its location is separately mapped to the PJM-serving utility territory.

## Identity and location

- Operating status: operating
- Asset scope: building
- Location: 44461 Chilum Place, Ashburn, Loudoun County, VA
- Owner: Digital Realty (exact asset) — https://www.digitalrealty.com
- Operator: Digital Realty (exact asset) — https://www.digitalrealty.com

## Power and grid context

- Critical it load: 26 MW · reported · exact asset — critical power capacity
- ISO/RTO: PJM Interconnection
- Balancing authority: PJM Interconnection
- Electric utility: Northern Virginia Electric Cooperative

## Development

- Site status: operating
- Site area: 17 acres
- Gross floor area: 222,000 square feet
- Buildings: 1
- Construction: Single-story data center building constructed and operating; originally listed as operational in 2011. Building described as 1 level, ~222,000 sq ft (some operator page lists total building size 262,000 sq ft); site sited on ~17 acres of the Ashburn Corporate Center campus. Full built-out power reported between 26 MW and 40 MW in different secondary sources; operator material and facility factsheet indicate 26 MW fully built-out and building-level size 222,000 sq ft. Certifications listed: LEED Silver, Energy Star, SOC1/2/3, PCI-DSS, ISO 27001. Redundancy: UPS N+2; cooling N+2. Operating status: operating.

## Compute and operations

- Facility classes: colocation
- Operating context: ACC6 is a Tier 3 colocation data center operated by Digital Realty in Ashburn, VA, featuring a single-story 222,000 sq ft building on a 17‑acre site, N+2 UPS and cooling redundancy, LEED Silver and Energy Star certifications, and houses the Digital Realty Innovation Lab (DRIL).

## Sources

- [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://datacentermap.com/usa/virginia/ashburn/44461-chilum-place](http://datacentermap.com/usa/virginia/ashburn/44461-chilum-place)
- [http://datacentermap.com/usa/virginia/ashburn/44461-chilum-place/ecosystem](http://datacentermap.com/usa/virginia/ashburn/44461-chilum-place/ecosystem)
- [http://datacentermap.com/usa/virginia/ashburn/44461-chilum-place/specs](http://datacentermap.com/usa/virginia/ashburn/44461-chilum-place/specs)
- [http://digitalrealty.com/about/newsroom/press-releases/30426/digital-realty-announces-purchase-of-blackstone-interest-in-three-northern-virginia-data-centers](http://digitalrealty.com/about/newsroom/press-releases/30426/digital-realty-announces-purchase-of-blackstone-interest-in-three-northern-virginia-data-centers)
- [http://digitalrealty.com/data-centers/americas/northern-virginia/acc6](http://digitalrealty.com/data-centers/americas/northern-virginia/acc6)
- [http://eia.gov/electricity/gridmonitor/dashboard/electric_overview/balancing_authority/PJM](http://eia.gov/electricity/gridmonitor/dashboard/electric_overview/balancing_authority/PJM)
- [http://go2.digitalrealty.com/rs/087-YZJ-646/images/DS_Digital_Realty_2311_ACC6_Property_Factsheet_EN.pdf](http://go2.digitalrealty.com/rs/087-YZJ-646/images/DS_Digital_Realty_2311_ACC6_Property_Factsheet_EN.pdf)
- [http://godatacenters.com/data-centers/virginia/ashburn/44461-chilum-place-acc6-24dcf22c](http://godatacenters.com/data-centers/virginia/ashburn/44461-chilum-place-acc6-24dcf22c)
- [http://openei.org/wiki/RAPID/BulkTransmission/Virginia](http://openei.org/wiki/RAPID/BulkTransmission/Virginia)
- [http://peeringdb.com/fac/1381](http://peeringdb.com/fac/1381)
- [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://sustainbldgs.com/casestudy/17](http://sustainbldgs.com/casestudy/17)
- [Compass Loudoun County Data Center](https://baxtel.com/data-center/compass-loudoun-county)
- [44461 Chilum Place (ACC6) — Colocation in Ashburn, VA, US | Colo Map](https://colomap.com/facilities/44461-chilum-place-acc6/?offer=5035)
- [ACC6 Property Factsheet](https://go2.digitalrealty.com/rs/087-YZJ-646/images/DS_Digital_Realty_2311_ACC6_Property_Factsheet_EN.pdf)
- [Data Centers in Loudoun County | Loudoun County, VA - Official Website](https://loudoun.gov/6188/Data-Centers-in-Loudoun-County)
- [The Dark Side of Data Centers](https://loudounclimate.org/data-centers/)
- [Data Center Retail Sales & Use Tax Exemption | Virginia Economic Development Partnership](https://vedp.org/incentive/data-center-retail-sales-use-tax-exemption)
- [Loudoun County, other Virginia localities consider hitting ...](https://virginiamercury.com/2026/07/30/loudoun-county-other-virginia-localities-consider-hitting-the-brakes-on-data-center-development/)
- [44461 Chilum Place in Ashburn | Digital Realty (26 MW)](https://www.datacentermap.com/usa/virginia/ashburn/44461-chilum-place/)
- [44461 Chilum Place (ACC6) - Ecosystem](https://www.datacentermap.com/usa/virginia/ashburn/44461-chilum-place/ecosystem/)
- [ACC6 Data Center | 44461 Chilum Place | Digital Realty](https://www.digitalrealty.com/data-centers/americas/northern-virginia/acc6)
- [Data Center Standards & Locations](https://www.loudoun.gov/datacenterstandards)

## Data quality

- 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/digital-realty-acc6
Profile generated: 2026-09-04T13:46:27.532767Z
Source: Ask the Grid — https://askthegrid.com/