Nabiax Alcalá ADC3
- Planned critical IT
- 100 MW
- Updated
- Oct 28, 2026
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.
Program relationships
Capacity
Operating IT capacity: Not established in published records
A missing figure does not mean zero. Planned, utility and generation figures are not operating IT capacity.
Development
1 building
The design claims are forward-looking; permits and construction status have not been publicly disclosed.
Milestones (2)
Apr 9, 2026 · Recorded actual event
Completed · Announced
Source not linkedAug 4, 2026 · Recorded actual event
Completed · Announced
Source not linkedParticipants
Developer
Sources by role
Developer (1)
- Spain's Nabiax to expand Madrid data center campus · Aug 10, 2026 · Corroborating
Developer (1)
- ADC3 — The large-scale hyperscaler opportunity in Spain · Apr 9, 2026 · Corroborating
Developer (1)
- Alcalá Data Center · Primary
Capital & incentives
Capital claims
Site & development
Technical specifications
Additional project facts
Infrastructure & permits
Technical details (2)
Secured or contracted
100 MW IT secured claim
Sponsor material describes 100 MW secured and another 110 MW requested; connection agreements have not been publicly disclosed.
Planned or represented
100 percent liquid-cooling capable
Up to 100% liquid cooling; capability is not deployment share.
Project map
Public-source research. Plans may change. See Evidence for sources and qualifications.
Related projects (2)
Operating · Alcalá de Henares / Madrid, MD, Spain
Same locality: Alcalá de Henares / Madrid · Shared participant: Nabiax
Compare in a collectionOperating · Alcalá de Henares / Madrid, MD, Spain
Same locality: Alcalá de Henares / Madrid · Shared participant: Nabiax
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