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CyrusOne DUB1 Dublin Data Center Campus

PRJ-0850 · Site · Grange Castle, Dublin, County Dublin, Ireland

Record last updated Oct 28, 2026

Scope and capacity

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.

Headline: 54 MW Planned critical IT

Numbers refer to their stated physical boundaries and are not added together. Source dates, claim dates and record updates have different meanings. Missing dates and locators are not inferred.

Claims and exhibit sources

Jump to a claim (19)

Location context · CyrusOne DUB1 | Grange Castle, Dublin | County Dublin | IE

Actual · CyrusOne DUB1 Dublin Data Center Campus (Project)

Claim 62622 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. CyrusOne CyrusOne DUB1 profile

    CyrusOne · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3491 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/data-centers/emea/dublin-ireland

Lifecycle status · Operational

Actual · CyrusOne DUB1 Dublin Data Center Campus (Project)

Claim 62623 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. CyrusOne CyrusOne DUB1 profile

    CyrusOne · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3491 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/data-centers/emea/dublin-ireland

Reported capacity · 54 MW

Design · CyrusOne DUB1 Dublin Data Center Campus (Project)

Claim 62624 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

Headline treatment: Separate claim, not added to the headline

  1. CyrusOne CyrusOne DUB1 profile

    CyrusOne · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3491 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/data-centers/emea/dublin-ireland

Capacity basis · CyrusOne publishes 54 MW of critical IT capacity for this record boundary.

Actual · CyrusOne DUB1 Dublin Data Center Campus (Project)

Claim 62625 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. CyrusOne CyrusOne DUB1 profile

    CyrusOne · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3491 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/data-centers/emea/dublin-ireland

Location context · CyrusOne DUB1 | Grange Castle, Dublin | County Dublin | IE

Actual · CyrusOne DUB1 Dublin Data Center Campus (Project)

Claim 97341 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. CyrusOne CyrusOne DUB1 profile

    CyrusOne · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3491 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/data-centers/emea/dublin-ireland

Lifecycle status · Partially operational

Actual · CyrusOne DUB1 Dublin Data Center Campus (Project)

Claim 97342 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. CyrusOne CyrusOne DUB1 profile

    CyrusOne · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3491 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/data-centers/emea/dublin-ireland

Reported capacity · 54 MW

Planned / design or future potential · CyrusOne DUB1 Dublin Data Center Campus (Project)

Claim 97343 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

Headline treatment: Separate claim, not added to the headline

  1. CyrusOne CyrusOne DUB1 profile

    CyrusOne · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3491 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/data-centers/emea/dublin-ireland

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.

Actual · CyrusOne DUB1 Dublin Data Center Campus (Project)

Claim 97344 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. CyrusOne CyrusOne DUB1 profile

    CyrusOne · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3491 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/data-centers/emea/dublin-ireland

Building count · 3 buildings

Design · CyrusOne DUB1 Dublin Data Center Campus (Project)

Claim 97345 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

  1. CyrusOne CyrusOne DUB1 profile

    CyrusOne · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3491 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/data-centers/emea/dublin-ireland

Technical area · 22,854 square metres

Design · CyrusOne DUB1 Dublin Data Center Campus (Project)

Claim 97346 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

  1. CyrusOne Dublin data-center environmental impact assessment material

    Irish Environmental Protection Agency / South Dublin County Council · Document date: Jan 1, 2025 · Primary

    Source reference: SRC-5384 · Government record · Recorded authority: Official primary

    Source URL

    https://epawebapp.epa.ie/licences/lic_eDMS/090151b280821e0f.pdf

Utility supply · 80 MVA

Design · CyrusOne DUB1 Dublin Data Center Campus (Project)

Claim 97348 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

  1. CyrusOne Dublin data-center environmental impact assessment material

    Irish Environmental Protection Agency / South Dublin County Council · Document date: Jan 1, 2025 · Primary

    Source reference: SRC-5384 · Government record · Recorded authority: Official primary

    Source URL

    https://epawebapp.epa.ie/licences/lic_eDMS/090151b280821e0f.pdf

Location context · CyrusOne DUB1 | Dublin | Leinster | IE

Actual · CyrusOne DUB1 Dublin Data Center Campus (Project)

Claim 104308 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. CyrusOne CyrusOne DUB1 profile

    CyrusOne · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3491 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/data-centers/emea/dublin-ireland

Lifecycle status · Partially operational

Actual · CyrusOne DUB1 Dublin Data Center Campus (Project)

Claim 104309 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. CyrusOne CyrusOne DUB1 profile

    CyrusOne · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3491 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/data-centers/emea/dublin-ireland

Reported capacity · 54 MW

Planned / design or future potential · CyrusOne DUB1 Dublin Data Center Campus (Project)

Claim 104310 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

Headline treatment: Separate claim, not added to the headline

  1. CyrusOne CyrusOne DUB1 profile

    CyrusOne · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3491 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/data-centers/emea/dublin-ireland

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.

Actual · CyrusOne DUB1 Dublin Data Center Campus (Project)

Claim 104311 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. CyrusOne CyrusOne DUB1 profile

    CyrusOne · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3491 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/data-centers/emea/dublin-ireland

Full build potential · 54 MW

Planned / design or future potential · CyrusOne DUB1 Dublin Data Center Campus (Project)

Claim 104312 · Recorded claim type: Forecast · Review: Approved · Claim date: Not stated

Headline treatment: Selected headline

  1. CyrusOne CyrusOne DUB1 profile

    CyrusOne · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-3491 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/data-centers/emea/dublin-ireland

Building count · 3 buildings

Design · CyrusOne DUB1 Dublin Data Center Campus (Project)

Claim 104313 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

  1. CyrusOne sustainability reporting

    CyrusOne · Document date: Aug 30, 2026 · Primary

    Source reference: SRC-5846 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/resources/sustainability-report

Development area · 35,426 square metres

Design · CyrusOne DUB1 Dublin Data Center Campus (Project)

Claim 104314 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

  1. CyrusOne sustainability reporting

    CyrusOne · Document date: Aug 30, 2026 · Primary

    Source reference: SRC-5846 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/resources/sustainability-report

First building · Completed; operating MW not disclosed

Actual · CyrusOne DUB1 Dublin Data Center Campus (Project)

Claim 104315 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. CyrusOne sustainability reporting

    CyrusOne · Document date: Aug 30, 2026 · Primary

    Source reference: SRC-5846 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.cyrusone.com/resources/sustainability-report

Counterparties and capital

CyrusOne · Developer · CMP-0172

EirGrid · Utility provider · CMP-0721

This schedule captures public Cartis research. It is not a title, lien or legal-opinion report. Document page/section locators and claim review timestamps are included only when published; this version has no separate locator or claim-review-time feed.