CyrusOne data center, Loudoun County, VA
Loudoun County, VA
Source: OpenStreetMap
CyrusOne data center in Loudoun County, VA is an operating facility, operated by CyrusOne LLC. DataCentersExposed has documented 13 MW of reported power capacity, a 127,744 sq ft footprint and 1 tracked EPA enforcement record at this site.
Reporting by Eric Keller · Updated Jun 18, 2026
Overview
source: linkCyrusOne is an operating colocation data center in Loudoun County, Virginia, run by CyrusOne LLC. Its reported footprint is 127,744 square feet, and tracked records list 1 environmental enforcement action tied to the site. Power comes from Northern Virginia Electric Cooperative inside the PJM grid.
Operator chain
- Ultimate parentCyrusOne LLC
- Files asCyrusOne LLC
- This facilityCyrusOne data center
Grid & water — why here
source: HIFLD · EPAThe closest existing grid infrastructure and the municipal water system this location sits in — the same constraints the buildout model screens on (it won't site a campus more than ~2 km from a substation or ~5 km from municipal water). Distances are straight-line to public HIFLD/EPA features, not a metered connection.
In the news
source: GDELTTax breaks & subsidies
source: Good Jobs First / GASB 77No per-deal tax break is linked to this site yet. No state discloses the recipient of a data-center abatement at the facility level, so per-site deals are rare in the public record. If you have a development agreement or board resolution for this site, send it to us.
Virginia reported $1B in Data Center Retail Sales and Use Tax Exemption (Va. Code § 58.1-609.3(18)) for FY2024 (Virginia Joint Legislative Audit and Review Commission (JLARC) / Weldon Cooper Center). Program-wide, not attributable to this site.
Water use
No measured record exists, so this is a low-confidence model from 37 MW (interconnection capacity): 1.8 L/kWh cooling (temperate climate) + 0.5 gal/kWh embedded in PJM grid mix. How we estimate. Have a utility document? Send it and we'll replace this with the real figure.
EPA permits & violations
source: EPA ECHO- Clean Air Actno penaltyformal · reported 2024-01-25
Environmental permits
source: Permit register- Clean Air Act permitted sourceVA0000005110774114NAICS 518210; ECHO compliance status: No Violation Identified
- VA DEQ air permit (minor NSR)74114Diesel backup-generator air permit. Program: mNSR. Reg. 74114.
What this site costs the grid
source: PJM RPM auction reportsPJM's capacity auction sets a $/MW-day price that utilities pass on to every household and business in the zone. This site sits in PJM's DOM pricing zone, where soaring data-center demand is a documented driver. See the full zone-by-zone breakdown →
13 MW of load at the zone's $333/MW-day, annualized — the capacity charge a load this size carries at the current auction price.
Separately, a typical home in this zone pays an estimated $4 to $10/mo more on the capacity portion of its bill that PJM's market monitor attributes to data-center demand. See your address's full impact →
Air quality near this site
source: AirNowAir Quality Index from the nearest AirNow reporting area (Northern Virginia), as of 2026-06-10. Regional context — not this facility's own emissions.
Who lives nearby
source: Census ACS 2023Demographics of the census tract this facility sits in (American Community Survey 5-year estimates). Environmental-justice context for who bears the local impacts.
Nearest school
source: HIFLD / NCESThe nearest public school, Guilford Elementary in Sterling, is 1.2 mi from this site (541 students).
Schools are sensitive receptors for the noise, backup-generator exhaust, and traffic a large data center brings. Straight-line distance to the nearest public school (HIFLD/NCES, US public schools only).
Hearings timeline
No public-hearing records linked to this site yet. We surface planning-commission and board-of-supervisors dates when a record names a facility. If you know of a hearing on this site, tell us.