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Cartis diligence evidence schedule

Google Grange Castle Data Center Campus

PRJ-0268 · Site · Baldonnell / Clondalkin, Dublin, D, Ireland

Record last updated Oct 28, 2026

Scope and capacity

The official planning case register for appeal 320852 records permission with conditions for Google's DC3 expansion on September 23, 2026, following the August 2024 refusal and subsequent appeal. Conditional permission is not confirmation of construction or operation, and applicable conditions, including renewable-supply requirements, remain relevant. Google Grange Castle Data Center Campus — Existing Google Dublin campus with DC1 and DC2 operating phases and a DC3 expansion that received conditional permission on appeal after its earlier refusal. Google Grange Castle Data Center Campus is in Baldonnell / Clondalkin, Dublin, D, IE and is a data center campus with operational status.

Headline: Not established in published records

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.

Operations start · 2012

Source report · DC1 (Phase)

Claim 24957 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. Dublin, Ireland — Google Data Center Location

    Google · Document date: Aug 6, 2026 · Corroborating

    Source reference: SRC-1427 · Company announcement · Recorded authority: Party primary

    Source URL

    https://datacenters.google/locations/dublin-ireland

  2. Planning Appeal Case PL06S.320852

    An Coimisiún Pleanála · Document date: Aug 6, 2026 · Corroborating

    Source reference: SRC-1429 · Recorded authority: Official primary

    Source URL

    https://www.pleanala.ie/en-ie/case/320852

  3. Google Ireland lawyers claim council erred

    RTE · Document date: Sep 25, 2024 · Corroborating

    Source reference: SRC-1433 · News report · Recorded authority: Secondary

    Source URL

    https://www.rte.ie/news/business/2024/0925/1471898-google-ireland-lawyers-claim-council-erred-on-data-centre/

  4. Google Ireland lodges appeal against data centre refusal

    RTE · Document date: Sep 18, 2024 · Corroborating

    Source reference: SRC-1432 · News report · Recorded authority: Secondary

    Source URL

    https://www.rte.ie/news/business/2024/0918/1470735-google-ireland-lodges-appeal-against-data-centre-refusal/

  5. Google appealing planning refusal for new data centre

    TheJournal.ie · Document date: Sep 18, 2024 · Corroborating

    Source reference: SRC-1434 · News report · Recorded authority: Secondary

    Source URL

    https://www.thejournal.ie/google-appealing-planning-refusal-for-new-data-centre-in-south-dublin-6491260-Sep2024/

  6. Google refused permission for new Dublin data centre

    RTE · Document date: Aug 27, 2024 · Corroborating

    Source reference: SRC-1431 · News report · Recorded authority: Secondary

    Source URL

    https://www.rte.ie/news/business/2024/0827/1466894-permission-for-google-data-centre-denied/

  7. Google plans third data center building in Dublin

    Data Center Dynamics · Document date: Jun 28, 2024 · Primary

    Source reference: SRC-1435 · News report · Recorded authority: Secondary

    Source URL

    https://www.datacenterdynamics.com/en/news/google-plans-third-data-center-building-in-dublin-ireland/

  8. DC3 EIAR Main Report Appendix 12.1

    Google Ireland / Arup / planning authority · Document date: Jun 1, 2024 · Corroborating

    Source reference: SRC-1430 · Recorded authority: Official primary

    Source URL

    https://www.pleanala.ie/publicaccess/EIAR-NIS/320852/320852%20-%20eiar%20-%20main%20report%20appendix%2012.1.pdf

  9. Google invests EUR150 million in Data Centre Expansion

    Government of Ireland · Document date: May 8, 2018 · Corroborating

    Source reference: SRC-1428 · Government record · Recorded authority: Official primary

    Source URL

    https://www.gov.ie/en/department-of-enterprise-tourism-and-employment/press-releases/google-invests-150-million-in-data-centre-expansion/

Investment · €150 million

Source report · DC2 expansion (Phase)

Claim 24958 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. Google invests EUR150 million in Data Centre Expansion

    Government of Ireland · Document date: May 8, 2018 · Primary

    Source reference: SRC-1428 · Government record · Recorded authority: Official primary

    Source URL

    https://www.gov.ie/en/department-of-enterprise-tourism-and-employment/press-releases/google-invests-150-million-in-data-centre-expansion/

Cumulative data center investment · €500 million

Source report · Google Grange Castle Data Center Campus (Project)

Claim 24959 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. Google invests EUR150 million in Data Centre Expansion

    Government of Ireland · Document date: May 8, 2018 · Primary

    Source reference: SRC-1428 · Government record · Recorded authority: Official primary

    Source URL

    https://www.gov.ie/en/department-of-enterprise-tourism-and-employment/press-releases/google-invests-150-million-in-data-centre-expansion/

Planning application · SD24A/0164W / PL06S.320852

Source report · DC3 proposed expansion (Phase)

Claim 24960 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. Planning Appeal Case PL06S.320852

    An Coimisiún Pleanála · Document date: Aug 6, 2026 · Primary

    Source reference: SRC-1429 · Recorded authority: Official primary

    Source URL

    https://www.pleanala.ie/en-ie/case/320852

Planning status · Local refusal; first party appeal pending

Source report · DC3 proposed expansion (Phase)

Claim 24961 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. Planning Appeal Case PL06S.320852

    An Coimisiún Pleanála · Document date: Aug 6, 2026 · Primary

    Source reference: SRC-1429 · Recorded authority: Official primary

    Source URL

    https://www.pleanala.ie/en-ie/case/320852

  2. Google Ireland lodges appeal against data centre refusal

    RTE · Document date: Sep 18, 2024 · Corroborating

    Source reference: SRC-1432 · News report · Recorded authority: Secondary

    Source URL

    https://www.rte.ie/news/business/2024/0918/1470735-google-ireland-lodges-appeal-against-data-centre-refusal/

  3. Google refused permission for new Dublin data centre

    RTE · Document date: Aug 27, 2024 · Corroborating

    Source reference: SRC-1431 · News report · Recorded authority: Secondary

    Source URL

    https://www.rte.ie/news/business/2024/0827/1466894-permission-for-google-data-centre-denied/

Building area · 72,400 square metres

Source report · DC3 proposed expansion (Phase)

Claim 24962 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. Planning Appeal Case PL06S.320852

    An Coimisiún Pleanála · Document date: Aug 6, 2026 · Primary

    Source reference: SRC-1429 · Recorded authority: Official primary

    Source URL

    https://www.pleanala.ie/en-ie/case/320852

  2. Google appealing planning refusal for new data centre

    TheJournal.ie · Document date: Sep 18, 2024 · Corroborating

    Source reference: SRC-1434 · News report · Recorded authority: Secondary

    Source URL

    https://www.thejournal.ie/google-appealing-planning-refusal-for-new-data-centre-in-south-dublin-6491260-Sep2024/

Data hall count · 8 halls

Source report · DC3 proposed expansion (Phase)

Claim 24963 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. Google appealing planning refusal for new data centre

    TheJournal.ie · Document date: Sep 18, 2024 · Primary

    Source reference: SRC-1434 · News report · Recorded authority: Secondary

    Source URL

    https://www.thejournal.ie/google-appealing-planning-refusal-for-new-data-centre-in-south-dublin-6491260-Sep2024/

Site area · 50 acres

Source report · DC3 proposed expansion (Phase)

Claim 24964 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. Google appealing planning refusal for new data centre

    TheJournal.ie · Document date: Sep 18, 2024 · Primary

    Source reference: SRC-1434 · News report · Recorded authority: Secondary

    Source URL

    https://www.thejournal.ie/google-appealing-planning-refusal-for-new-data-centre-in-south-dublin-6491260-Sep2024/

  2. Google plans third data center building in Dublin

    Data Center Dynamics · Document date: Jun 28, 2024 · Corroborating

    Source reference: SRC-1435 · News report · Recorded authority: Secondary

    Source URL

    https://www.datacenterdynamics.com/en/news/google-plans-third-data-center-building-in-dublin-ireland/

Construction jobs · 800 jobs

Source report · DC3 proposed expansion (Phase)

Claim 24965 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. Google appealing planning refusal for new data centre

    TheJournal.ie · Document date: Sep 18, 2024 · Primary

    Source reference: SRC-1434 · News report · Recorded authority: Secondary

    Source URL

    https://www.thejournal.ie/google-appealing-planning-refusal-for-new-data-centre-in-south-dublin-6491260-Sep2024/

Operational jobs · 50 jobs

Source report · DC3 proposed expansion (Phase)

Claim 24966 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. Google appealing planning refusal for new data centre

    TheJournal.ie · Document date: Sep 18, 2024 · Primary

    Source reference: SRC-1434 · News report · Recorded authority: Secondary

    Source URL

    https://www.thejournal.ie/google-appealing-planning-refusal-for-new-data-centre-in-south-dublin-6491260-Sep2024/

Unmitigated indirect emissions · 224,250 tonnes CO2 per year

Source report · DC3 proposed expansion (Phase)

Claim 24967 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. Google appealing planning refusal for new data centre

    TheJournal.ie · Document date: Sep 18, 2024 · Primary

    Source reference: SRC-1434 · News report · Recorded authority: Secondary

    Source URL

    https://www.thejournal.ie/google-appealing-planning-refusal-for-new-data-centre-in-south-dublin-6491260-Sep2024/

Cooling design · Outside air cooling

Source report · Google Grange Castle Data Center Campus (Project)

Claim 24969 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. Dublin, Ireland — Google Data Center Location

    Google · Document date: Aug 6, 2026 · Primary

    Source reference: SRC-1427 · Company announcement · Recorded authority: Party primary

    Source URL

    https://datacenters.google/locations/dublin-ireland

Counterparties and capital

Arup · Contractor · CMP-0722

EirGrid · Utility provider · CMP-0721

Google Ireland Limited · Operator · CMP-0718

South Dublin County Council · Government authority · CMP-0719

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.