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CyrusOne NVA9 Sterling Data Center

Sterling, Virginia, United StatesPartially operational
Evidence
Planned critical IT
135 MW
Updated
Oct 28, 2026

CyrusOne NVA9 Sterling Data Center, also known as CyrusOne NVA9, is a partially operational data center campus in Sterling, VA, US associated with CyrusOne. 700,000 square feet; 135 MW total IT capacity; zero-water closed-loop cooling. High-density Sterling facility with multiple utility feeders, extensive cooling plant and layered security.

Capacity

Reported capacity

Design

135 MW

Source

Reported capacity

Planned / design or future potential

135 MW

Source

Reported capacity

Planned / design or future potential

135 MW

Source

IT design

Planned / design or future potential

135 MW

Source

Operating IT capacity: Not established in published records

A missing figure does not mean zero. Planned, utility and generation figures are not operating IT capacity.

Development

Operating facility and documented expansionOperational

135 MW is the operator-published facility or campus design boundary.

Operating facility and documented expansionPartially operational

135 MW is the operator-published facility or campus IT design boundary.

Participants

CyrusOne

Developer

Sources by role
Developer (1)

Site & development

Location context

Actual

CyrusOne NVA9 | Sterling | VA | US

Source

Location context

Actual

CyrusOne NVA9 | Sterling | VA | US

Source

Building area

Actual

700,000 square feet

Source

Location context

Actual

CyrusOne NVA9 | Sterling | VA | US

Source

Technical area

Design

700,000 square feet

Source

Technical specifications

Roof air cooled chillers

Design

70 units

Source

Cooling water use

Design

Closed loop design

Source

Additional project facts

Lifecycle status

Actual

Operational

Source

Capacity basis

Actual

CyrusOne publishes 135 MW of critical IT capacity for this record boundary.

Source

Lifecycle status

Actual

Operating

Source

Capacity basis

Actual

135 MW facility or campus design capacity.

Source

White space

Actual

400,000 square feet

Source

Utility voltage

Design

34.5 kV

Source

Lifecycle status

Actual

Partially operational

Source

Capacity basis

Actual

135 MW facility or campus IT design capacity.

Source

Permit boundary

Actual

NVA9–NVA11 backup generation

Source

Infrastructure & permits

Technical details (4)
Electric grid

Energized

Zero-water closed-loop chilling, roof-mounted air-cooled chillers, robust connectivity and multilayer security.

Cooling system

Operational

CyrusOne describes closed-loop or air-cooled systems; the profile does not infer facility water use beyond the cited site specification.

Electric grid

Energized

High-density Sterling facility with multiple utility feeders, extensive cooling plant and layered security.

Cooling system

Operational

Cooling and efficiency claims remain limited to source-defined designs; no delivered load or water use is inferred.

Air authorization · Issued

CyrusOne NVA9–NVA11

Virginia Department of Environmental Quality

Nov 6, 2025

Sources (1)

Public-source research. Plans may change. See Evidence for sources and qualifications.

Related projects (4)
CyrusOne NVA1–NVA3 Sterling Data Center Campus

Partially operational · Sterling, Virginia, United States

Same locality: Sterling · Shared participant: CyrusOne

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CyrusOne NVA4 Sterling Data Center

Partially operational · Sterling, Virginia, United States

Same locality: Sterling · Shared participant: CyrusOne

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CyrusOne NVA5–NVA7 Sterling Data Center Campus

Partially operational · Sterling, Virginia, United States

Same locality: Sterling · Shared participant: CyrusOne

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CyrusOne NVA8 Sterling Data Center

Partially operational · Sterling, Virginia, United States

Same locality: Sterling · Shared participant: CyrusOne

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