Skip to content
All records
Property and infrastructure intelligenceSite record

CyrusOne DUB1 Dublin Data Center Campus

Grange Castle, Dublin, County Dublin, IrelandPartially operationalDiligence evidence / compare baseline
Capacity
54 MW
Planned critical IT
Lead participant
CyrusOne
Developer
Last updated
Aug 30, 2026
Most recent public record update

About CyrusOne DUB1 Dublin Data Center Campus

CyrusOne DUB1 Dublin Data Center Campus, also known as CyrusOne DUB1, is a partially operational data center campus in Dublin, Leinster, IE associated with CyrusOne. Three two-story buildings; 22,854 square metres; potential 54 MW total IT capacity. Carrier-neutral Dublin campus with dual redundant power and renewable-energy sourcing. 54 MW is the potential three-building campus total. The first building is complete, but a phase-specific operating IT figure is not published.

Capacity

Planned critical IT
Operating capacityNo reviewed operating IT-capacity value is included in this record.
It Load54 MWdesign · CyrusOne DUB1 Dublin Data Center CampusReported CapacitySeparate source claim; not added to the headline.Review evidence
Future Potential54 MWPlanned / design or future potential · CyrusOne DUB1 Dublin Data Center CampusReported CapacitySeparate source claim; not added to the headline.Review evidence
Future Potential54 MWPlanned / design or future potential · CyrusOne DUB1 Dublin Data Center CampusReported CapacitySeparate source claim; not added to the headline.Review evidence
It Load54 MWPlanned / design or future potential · CyrusOne DUB1 Dublin Data Center CampusFull Build PotentialSelected headline; not an additive total.Review evidence

Development

2 phases · 3 milestones
Three-building DUB1 campusPartially Operational

54 MW is potential IT capacity across three buildings, not verified operating load.

3 buildings

Operating facility and documented expansionPartially Operational

54 MW is the potential three-building campus total. The first building is complete, but a phase-specific operating IT figure is not published.

Jan 1, 2020
EirGrid connection agreement was reported for the phased campus
Completed
Jan 1, 2021
Environmental record documented the first building under construction
Completed
Aug 28, 2026
Current source record reviewed for CyrusOne DUB1
Completed

Infrastructure

Electric GridEnergized

80 MVA active-active supply, dedicated electrical plant per floor, closed-loop cooling and diverse carrier-neutral fiber.

Cooling SystemOperational

Operator describes resilient cooling; Public sources do not establish water use or delivered capacity beyond the cited project specification.

Electric GridEnergized

Carrier-neutral Dublin campus with dual redundant power and renewable-energy sourcing.

Cooling SystemOperational

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

Electric GridSecured Or Contracted

EirGrid connection agreement supports phased development; contracted supply is not disclosed operating IT.

Project map

0 of 1 project point mapped
Infrastructure facts
5
Mapped records
0
Capacity figures
0

No map point available

Power & interconnection: 3Cooling & water: 2

Facts & sources

Claim review and source dates are shown separately. A record update date is not a claim review date.

19 facts
Location Context
CyrusOne DUB1 | Grange Castle, Dublin | County Dublin | IE
actual
Claim review
Approved
Claim date
Physical subject
CyrusOne DUB1 Dublin Data Center Campus · Project
Claim reference
62622
Lifecycle Status
Operational
actual
Claim review
Approved
Claim date
Physical subject
CyrusOne DUB1 Dublin Data Center Campus · Project
Claim reference
62623
Reported Capacity
54 MW
design
Claim review
Approved
Claim date
Physical subject
CyrusOne DUB1 Dublin Data Center Campus · Project
Claim reference
62624
Capacity Basis
CyrusOne publishes 54 MW of critical IT capacity for this record boundary.
actual
Claim review
Approved
Claim date
Physical subject
CyrusOne DUB1 Dublin Data Center Campus · Project
Claim reference
62625
Location Context
CyrusOne DUB1 | Grange Castle, Dublin | County Dublin | IE
actual
Claim review
Approved
Claim date
Physical subject
CyrusOne DUB1 Dublin Data Center Campus · Project
Claim reference
97341
Lifecycle Status
Partially operational
actual
Claim review
Approved
Claim date
Physical subject
CyrusOne DUB1 Dublin Data Center Campus · Project
Claim reference
97342
Reported Capacity
54 MW
Planned / design or future potential
Claim review
Approved
Claim date
Physical subject
CyrusOne DUB1 Dublin Data Center Campus · Project
Claim reference
97343
Capacity Basis
CyrusOne currently describes 54 MW as the campus potential across three buildings. Earlier launch material cited 74 MW total power; Cartis publishes 54 MW only as a future IT envelope, not current operating load.
Planned / design or future potential
Claim review
Approved
Claim date
Physical subject
CyrusOne DUB1 Dublin Data Center Campus · Project
Claim reference
97344
Building Count
3
design
Claim review
Approved
Claim date
Physical subject
CyrusOne DUB1 Dublin Data Center Campus · Project
Claim reference
97345
Technical Area
22,854 square metres
design
Utility Supply
80 MVA
design
Location Context
CyrusOne DUB1 | Dublin | Leinster | IE
actual
Claim review
Approved
Claim date
Physical subject
CyrusOne DUB1 Dublin Data Center Campus · Project
Claim reference
104308
Lifecycle Status
Partially operational
actual
Claim review
Approved
Claim date
Physical subject
CyrusOne DUB1 Dublin Data Center Campus · Project
Claim reference
104309
Reported Capacity
54 MW
Planned / design or future potential
Claim review
Approved
Claim date
Physical subject
CyrusOne DUB1 Dublin Data Center Campus · Project
Claim reference
104310
Capacity Basis
54 MW is the potential three building campus total. The first building is complete, but a phase specific operating IT figure is not published.
Planned / design or future potential
Claim review
Approved
Claim date
Physical subject
CyrusOne DUB1 Dublin Data Center Campus · Project
Claim reference
104311
Full Build Potential
54 MW
Planned / design or future potential
Claim review
Approved
Claim date
Physical subject
CyrusOne DUB1 Dublin Data Center Campus · Project
Claim reference
104312
Building Count
3
design
Claim review
Approved
Claim date
Physical subject
CyrusOne DUB1 Dublin Data Center Campus · Project
Claim reference
104313
Development Area
35,426 square metres
design
Claim review
Approved
Claim date
Physical subject
CyrusOne DUB1 Dublin Data Center Campus · Project
Claim reference
104314
First Building
Completed; operating MW not disclosed
actual
Claim review
Approved
Claim date
Physical subject
CyrusOne DUB1 Dublin Data Center Campus · Project
Claim reference
104315