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CyrusOne LON1 Slough Data Center

Slough, England, United KingdomOperating
Evidence
Planned critical IT
8.7 MW
Updated
Oct 28, 2026

CyrusOne LON1 Slough Data Center, also known as CyrusOne LON1, is a data center project in Slough, England, GB developed and operated by CyrusOne. Two-story Slough facility with 4,309 square metres of technical space and 8.72 MW of total IT capacity. Active-active power supplies, indirect adiabatic cooling, detailed facility monitoring and onsite engineering support. CyrusOne currently rounds LON1 to 9 MW; the prior facility sheet reported 8.72 MW. This is a facility design boundary, not measured tenant draw.

Capacity

Reported capacity

Design

8.7 MW

Source

Reported capacity

Planned / design or future potential

9 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

CyrusOne currently rounds LON1 to 9 MW; the prior facility sheet reported 8.72 MW. This is a facility design boundary, not measured tenant draw.

Participants

CyrusOne

Developer

Sources by role
Developer (1)

Site & development

Location context

Actual

CyrusOne LON1 | Slough | England | GB

Source

Location context

Actual

CyrusOne LON1 | Slough | England | GB

Source

Location context

Actual

Slough, England, GB

Source

Additional project facts

Lifecycle status

Actual

Operational

Source

Capacity basis

Actual

CyrusOne publishes 8.72 MW of critical IT capacity for this record boundary.

Source

Lifecycle status

Actual

Operating

Source

Capacity basis

Actual

CyrusOne currently rounds LON1 to 9 MW; the prior facility sheet reported 8.72 MW. This is a facility design boundary, not measured tenant draw.

Source

Project boundary

Actual

CyrusOne LON1

Source

Lifecycle status

Actual

Operating

Source

Capacity basis

Actual

CyrusOne currently rounds LON1 to 9 MW; the prior facility sheet reported 8.72 MW. This is a facility design boundary, not measured tenant draw.

Source

Infrastructure & permits

Technical details (2)
Electric grid

Energized

Active-active power supplies, indirect adiabatic cooling, detailed facility monitoring and onsite engineering support.

Cooling system

Operational

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

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

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