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CARTIS

Nabiax Alcalá Data Center Campus

Alcalá de Henares / Madrid, MD, SpainPartially operational
Evidence
Planned critical IT
100 MW
Updated
Oct 28, 2026

Alcalá de Henares city reported groundbreaking for Nabiax’s ADC3 building on September 18, 2026. This adds a construction milestone to the campus history, not newly commissioned IT capacity or an additive full-campus capacity total. Campus boundary containing ADC1, ADC2 and ADC3, previously proposed and now reported at groundbreaking; existing 22.3 MW, 100 MW scalability and companywide 140 MW objective remain separate scopes.

Constituent sites / phases

Nabiax Alcalá ADC1 · Data center campusNabiax Alcalá ADC2 · Data center campusNabiax Alcalá ADC3 · Data center campus

Capacity

Current operating IT capacity

Actual

22.3 MW

Not included in reviewed operating IT capacity

Source

Medium term scalable IT capacity

Planned / design or future potential

100 MW

Source

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

Milestones (2)
Nabiax announced expansion toward 100 MW

Oct 22, 2021 · Recorded actual event

Completed · Announced

Source not linked
Aermont announced acquisition of Nabiax

Nov 14, 2024 · Recorded actual event

Completed · Event type not stated

Source not linked

Participants

Aermont Capital

Owner

Sources by role
Owner (1)
Owner (1)
Asterion Industrial Partners

Owner

Sources by role
Owner (1)
Owner (1)
Owner (1)
Nabiax

Operator

Sources by role
Operator (1)
Operator (1)
Telefónica

Owner

Sources by role
Owner (1)
Owner (1)

Capital & incentives

Financing records

Sustainable project finance

€320,000,000

Jan 1, 2021

Nabiax platform financing linked to ESG indicators; retained as context and not allocated to Alcalá or ADC3.

Parties & sources

Nabiax (Borrower / financed platform)

Sources (1)

Additional project facts

Built phase count

Source report

2 phases

Source

Current IT space

Source report

10,000 square meters

Source

Renewable electricity claim

Source report

100 percent

Source

Forecast permanent jobs

Source report

200 jobs

Source

Infrastructure & permits

Technical details (1)
Electric grid

Partially operational

22.3 MW IT operating

Existing 22.3 MW IT across ADC1/ADC2; campus marketed scalable to 100 MW and portfolio disclosure cites Redeia optionality.

Public-source research. Plans may change. See Evidence for sources and qualifications.