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Cartis diligence evidence schedule

Nabiax Alcalá ADC3

PRJ-0467 · Site · Alcalá de Henares / Madrid, MD, Spain

Record last updated Oct 28, 2026

Scope and capacity

Alcalá de Henares city reported that groundbreaking for Nabiax's third data-center building took place on September 18, 2026. This marks construction progress, not commissioning or delivery of the planned IT capacity. Nabiax Alcalá ADC3 is the third building, previously proposed and now reported at groundbreaking, marketed with 100 MW secured IT power; included within the campus scalability figure without a disclosed power-allocation bridge.

Headline: 100 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.

Physical building order · 3 building

Source report · Nabiax Alcalá ADC3 (Project)

Claim 44922 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. Spain's Nabiax to expand Madrid data center campus

    DatacenterDynamics · Document date: Aug 10, 2026 · Primary

    Source reference: SRC-2479 · News report

    Source URL

    https://www.datacenterdynamics.com/en/news/spains-nabiax-to-expand-madrid-data-center-campus/

  2. Nabiax invertirá 800 millones en la ampliación de sus centros de datos en España

    Cinco Días · Document date: Aug 4, 2026 · Primary

    Source reference: SRC-2480

    Source URL

    https://cincodias.elpais.com/companias/2026-08-04/nabiax-invertira-800-millones-en-la-ampliacion-de-sus-centros-de-datos-en-espana.html

Secured IT power design claim · 100 MW IT

Planned / design or future potential · Nabiax Alcalá ADC3 (Project)

Claim 44923 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

Headline treatment: Selected headline

  1. ADC3 — The large-scale hyperscaler opportunity in Spain

    DatacenterDynamics / Nabiax · Document date: Apr 9, 2026 · Primary

    Source reference: SRC-2481 · Recorded authority: Party primary

    Source URL

    https://www.datacenterdynamics.com/en/whitepapers/adc3-the-large-scale-hyperscaler-opportunity-in-spain/

Additional power requested · 110 MW

Source report · Nabiax Alcalá ADC3 (Project)

Claim 44924 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. ADC3 — The large-scale hyperscaler opportunity in Spain

    DatacenterDynamics / Nabiax · Document date: Apr 9, 2026 · Primary

    Source reference: SRC-2481 · Recorded authority: Party primary

    Source URL

    https://www.datacenterdynamics.com/en/whitepapers/adc3-the-large-scale-hyperscaler-opportunity-in-spain/

Liquid cooling design share · 100 percent

Source report · Nabiax Alcalá ADC3 (Project)

Claim 44925 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. ADC3 — The large-scale hyperscaler opportunity in Spain

    DatacenterDynamics / Nabiax · Document date: Apr 9, 2026 · Primary

    Source reference: SRC-2481 · Recorded authority: Party primary

    Source URL

    https://www.datacenterdynamics.com/en/whitepapers/adc3-the-large-scale-hyperscaler-opportunity-in-spain/

Design PUE · 1.2 PUE

Source report · Nabiax Alcalá ADC3 (Project)

Claim 44926 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. ADC3 — The large-scale hyperscaler opportunity in Spain

    DatacenterDynamics / Nabiax · Document date: Apr 9, 2026 · Primary

    Source reference: SRC-2481 · Recorded authority: Party primary

    Source URL

    https://www.datacenterdynamics.com/en/whitepapers/adc3-the-large-scale-hyperscaler-opportunity-in-spain/

Design water consumption · 0 operational water

Source report · Nabiax Alcalá ADC3 (Project)

Claim 44927 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. ADC3 — The large-scale hyperscaler opportunity in Spain

    DatacenterDynamics / Nabiax · Document date: Apr 9, 2026 · Primary

    Source reference: SRC-2481 · Recorded authority: Party primary

    Source URL

    https://www.datacenterdynamics.com/en/whitepapers/adc3-the-large-scale-hyperscaler-opportunity-in-spain/

Renewable energy design claim · 100 percent

Source report · Nabiax Alcalá ADC3 (Project)

Claim 44928 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. ADC3 — The large-scale hyperscaler opportunity in Spain

    DatacenterDynamics / Nabiax · Document date: Apr 9, 2026 · Primary

    Source reference: SRC-2481 · Recorded authority: Party primary

    Source URL

    https://www.datacenterdynamics.com/en/whitepapers/adc3-the-large-scale-hyperscaler-opportunity-in-spain/

Announced investment plan · €800 million

Source report · Nabiax Alcalá ADC3 (Project)

Claim 44929 · Recorded claim type: Not stated · Review: Approved · Claim date: Aug 4, 2026

  1. Spain's Nabiax to expand Madrid data center campus

    DatacenterDynamics · Document date: Aug 10, 2026 · Primary

    Source reference: SRC-2479 · News report

    Source URL

    https://www.datacenterdynamics.com/en/news/spains-nabiax-to-expand-madrid-data-center-campus/

  2. Nabiax invertirá 800 millones en la ampliación de sus centros de datos en España

    Cinco Días · Document date: Aug 4, 2026 · Primary

    Source reference: SRC-2480

    Source URL

    https://cincodias.elpais.com/companias/2026-08-04/nabiax-invertira-800-millones-en-la-ampliacion-de-sus-centros-de-datos-en-espana.html

Forecast construction jobs · 1,000 jobs

Source report · Nabiax Alcalá ADC3 (Project)

Claim 44930 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. Nabiax invertirá 800 millones en la ampliación de sus centros de datos en España

    Cinco Días · Document date: Aug 4, 2026 · Primary

    Source reference: SRC-2480

    Source URL

    https://cincodias.elpais.com/companias/2026-08-04/nabiax-invertira-800-millones-en-la-ampliacion-de-sus-centros-de-datos-en-espana.html

Counterparties and capital

Nabiax · Developer · CMP-1144

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.