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DATA4 ATH1 Paiania Campus

PRJ-0566 · Site · Paiania, Athens metropolitan area, Greece

Record last updated Oct 28, 2026

Scope and capacity

DATA4 announced ATH1 as a new Paiania campus on a 7.5-hectare industrial-zone plot, backed by more than €300 million of planned investment and designed for up to 90 MW of power capacity.

Headline: 90 MW Planned / design

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.

Development status · Planned new campus

Actual · DATA4 ATH1 Paiania Campus (Project)

Claim 50754 · Recorded claim type: Actual · Review: Approved · Claim date: Sep 20, 2024

  1. DATA4 Announces Major Investment of 300 Million Euros in Greece to Develop New Data Center Campus

    DATA4 · Document date: Sep 20, 2024 · Primary

    Source reference: SRC-2725 · Company announcement · Recorded authority: Party primary

    Source URL

    https://www.data4group.com/en/news-data4/data4-announces-major-investment-of-300-million-euros-in-greece-to-develop-new-data-center-campus/

Site area · 7.5 hectares

Actual · DATA4 ATH1 Paiania Campus (Project)

Claim 50755 · Recorded claim type: Actual · Review: Approved · Claim date: Sep 20, 2024

  1. DATA4 Announces Major Investment of 300 Million Euros in Greece to Develop New Data Center Campus

    DATA4 · Document date: Sep 20, 2024 · Primary

    Source reference: SRC-2725 · Company announcement · Recorded authority: Party primary

    Source URL

    https://www.data4group.com/en/news-data4/data4-announces-major-investment-of-300-million-euros-in-greece-to-develop-new-data-center-campus/

  2. Data Center Athens, Greece

    DATA4 · Document date: Not stated · Corroborating

    Source reference: SRC-2726 · Fact sheet · Recorded authority: Party primary

    Source URL

    https://www.data4group.com/en/data-center-athens-greece/

Planned power capacity · 90 MW

Planned / design or future potential · DATA4 ATH1 Paiania Campus (Project)

Claim 50757 · Recorded claim type: Forecast · Review: Approved · Claim date: Sep 20, 2024

Headline treatment: Selected headline

  1. Regional environmental record for East Attica data-center development

    Region of Attica · Document date: Nov 1, 2025 · Corroborating

    Source reference: SRC-6684 · Government record · Recorded authority: Official primary

    Source URL

    https://www.patt.gov.gr/wp-content/uploads/2025/11/%CE%91%CF%80%CE%BF%CF%86.-263-%CE%9C%CE%A0%CE%95-Data-Center-Olive-%CE%A3%CE%A0%CE%91%CE%A4%CE%91-%CE%91%CE%A1%CE%A4%CE%95%CE%9C%CE%99%CE%94%CE%91.pdf

  2. DATA4 Announces Major Investment of 300 Million Euros in Greece to Develop New Data Center Campus

    DATA4 · Document date: Sep 20, 2024 · Primary

    Source reference: SRC-2725 · Company announcement · Recorded authority: Party primary

    Source URL

    https://www.data4group.com/en/news-data4/data4-announces-major-investment-of-300-million-euros-in-greece-to-develop-new-data-center-campus/

  3. Data Center Athens, Greece

    DATA4 · Document date: Not stated · Corroborating

    Source reference: SRC-2726 · Fact sheet · Recorded authority: Party primary

    Source URL

    https://www.data4group.com/en/data-center-athens-greece/

Announced investment · €>300M

Transaction scope · DATA4 ATH1 Paiania Campus (Project)

Claim 50758 · Recorded claim type: Transaction scope · Review: Approved · Claim date: Sep 20, 2024

  1. DATA4 Announces Major Investment of 300 Million Euros in Greece to Develop New Data Center Campus

    DATA4 · Document date: Sep 20, 2024 · Primary

    Source reference: SRC-2725 · Company announcement · Recorded authority: Party primary

    Source URL

    https://www.data4group.com/en/news-data4/data4-announces-major-investment-of-300-million-euros-in-greece-to-develop-new-data-center-campus/

Address · Agiou Louka 33, 190 02 Paiania, Greece

Actual · DATA4 ATH1 Paiania Campus (Project)

Claim 50759 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Data Center Athens, Greece

    DATA4 · Document date: Not stated · Primary

    Source reference: SRC-2726 · Fact sheet · Recorded authority: Party primary

    Source URL

    https://www.data4group.com/en/data-center-athens-greece/

  2. Contact

    DATA4 · Document date: Not stated · Corroborating

    Source reference: SRC-2727 · Fact sheet · Recorded authority: Party primary

    Source URL

    https://www.data4group.com/en/contact/

Site context · Industrial zone

Actual · DATA4 ATH1 Paiania Campus (Project)

Claim 50760 · Recorded claim type: Actual · Review: Approved · Claim date: Sep 20, 2024

  1. DATA4 Announces Major Investment of 300 Million Euros in Greece to Develop New Data Center Campus

    DATA4 · Document date: Sep 20, 2024 · Primary

    Source reference: SRC-2725 · Company announcement · Recorded authority: Party primary

    Source URL

    https://www.data4group.com/en/news-data4/data4-announces-major-investment-of-300-million-euros-in-greece-to-develop-new-data-center-campus/

Permanent jobs estimate · >500 jobs

Reported rounded · DATA4 ATH1 Paiania Campus (Project)

Claim 50761 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. DATA4 Announces Major Investment of 300 Million Euros in Greece to Develop New Data Center Campus

    DATA4 · Document date: Sep 20, 2024 · Primary

    Source reference: SRC-2725 · Company announcement · Recorded authority: Party primary

    Source URL

    https://www.data4group.com/en/news-data4/data4-announces-major-investment-of-300-million-euros-in-greece-to-develop-new-data-center-campus/

Certification target · BREEAM Excellent

Forecast · DATA4 ATH1 Paiania Campus (Project)

Claim 50762 · Recorded claim type: Forecast · Review: Approved · Claim date: Sep 20, 2024

  1. DATA4 Announces Major Investment of 300 Million Euros in Greece to Develop New Data Center Campus

    DATA4 · Document date: Sep 20, 2024 · Primary

    Source reference: SRC-2725 · Company announcement · Recorded authority: Party primary

    Source URL

    https://www.data4group.com/en/news-data4/data4-announces-major-investment-of-300-million-euros-in-greece-to-develop-new-data-center-campus/

Counterparties and capital

DATA4 Group · Developer · CMP-0078

Investment commitment

€300,000,000 · Sep 20, 2024

More than €300M for the new Greek campus; exact schedule, spend-to-date and instrument undisclosed.

DATA4 Group (Sponsor)

Sources (1)

Financing record 153; claim-specific source links appear in the exhibit sources where published.

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.