Nabiax Alcalá Madrid Campus: 100MW Hyperscale Data Center Expansion
Status: Operational / Active Multi-Phase Hyperscale Expansion | Location: Av. Punto Com, 23, 28805 Alcalá de Henares, Madrid, Spain
Project Overview
Nabiax’s Alcalá Data Center (ADC) Campus is Spain’s flagship hyperscale data center campus, strategically located in Alcalá de Henares, approximately 20 km from Madrid-Barajas Airport, making it one of Southern Europe’s most important digital infrastructure hubs. The campus currently delivers 22.3 MW of operational IT capacity and has a long-term master plan to expand up to 100 MW, providing significant scalability for hyperscale cloud providers, multinational enterprises, and AI-driven computing environments. Serving as a key gateway for digital services across Southern Europe, the campus is purpose-built to support mission-critical cloud infrastructure, high-performance computing (HPC), artificial intelligence, and large-scale enterprise workloads. Its primary facility, ADC1, is designed to Tier IV Gold operational standards, offering the highest levels of redundancy, resilience, and operational reliability, while future expansion phases (ADC2 and beyond) adopt a modular Tier III architecture to enable rapid, flexible growth. The campus features a carrier-neutral ecosystem with direct connectivity to more than 15 leading network operators, along with low-latency cross-connects to Spain’s major internet exchanges, including ESpanix and MESIX, ensuring excellent regional and international connectivity. Powered entirely by 100% renewable electricity, the campus reflects Nabiax’s commitment to sustainable digital infrastructure while supporting customers’ environmental goals. Combined with advanced security, resilient power and cooling systems, and scalable infrastructure, the Alcalá Data Center Campus provides a future-ready platform for cloud providers, enterprises, and AI innovators seeking secure, high-performance colocation and connectivity in the rapidly expanding Iberian data center market.
Quick Facts
| Field | Value |
|---|
| Project Name | Nabiax Alcalá Madrid Campus: 100MW Hyperscale Data Center Expansion |
| Location | Av. Punto Com, 23, 28805 Alcalá de Henares, Madrid, Spain |
| Status | Operational / Active Multi-Phase Hyperscale Expansion |
| Commissioning | Initial Phase (ADC1): 2013 / ADC2 Go-Live: 2021 / Phased Expansion: 2024–2028+ |
| Total IT Load | 22.3 MW Operational Critical IT Load (Scalable to 100 MW Total Campus Capacity) |
| Total Capacity | 100 MW Total IT Expansion Potential across 22,000 m² total technical whitespace (10,000+ m² currently built) |
| Tier Level | Tier IV Certified (ADC1 Building) & Tier III Equivalent (ADC2 / Expansion Modules) (ISO 9001, ISO 14001, ISO 27001, ISO 50001, LEED Gold Certified) |
| Project Type | Purpose-Built Carrier-Neutral Hyperscale, Cloud Gateway & Enterprise Colocation Campus |
City Profile
| Header | Details |
|---|
| City Name | Madrid |
| Population | 3.3Million |
| Urban Agglomeration | 7 Million |
| City GDP | €135.362 billion in 2020 |
| Per Capita Income | €38,435 per inhabitant in 2022. |
| City Tier | Tier 1 |
| Key Strengths | Strategic Subsea Cable Hub (connecting to the Americas and Africa); Central Location in Iberian Peninsula; Government Support for Digitalization. |
Companies Involved
| Header | Details |
|---|
| Developer / Operator | Nabiax |
| Strategic Infrastructure Partner | Iberdrola / Endesa (Electric Power Utilities), Telefonica (Original Anchor / Network Partner) |
| Construction Contractor | Specialized Spanish & European Mission-Critical EPC Contractors |
| MEP Engineering | Nabiax Global Engineering & High-Density Thermal Design Teams |
| Network Connectivity | 3 diverse underground fiber entry points into Madrid metro fiber rings; carrier-neutral ecosystem with 15+ network providers, direct peering access to ESpanix and MESIX, and low-latency cloud on-ramps. |
| Power Infrastructure | Dual high-voltage grid substation feeds, 2N static uninterruptible power supply (UPS) topology in Tier IV blocks (N+1 in expansion blocks), and emergency standby diesel generators with on-site fuel reserves for 72+ hours of autonomy. |
Technical Specifications
| Header | Details |
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| Power Capacity | 22.3 MW Operational IT Power / 100 MW Total Campus Power Potential |
| UPS Redundancy | 2N (ADC1) / N+1 (ADC2 & Expansion Modules) |
| Cooling System | Energy-efficient N+1 air-cooled chillers and AHUs, indirect free-cooling economizers, hot/cold aisle containment, and liquid-to-chip direct cooling readiness for high-density AI nodes. |
| Connectivity | Carrier-neutral platform with dual Meet-Me-Rooms (MMRs), high-capacity dark fiber cross-connects, and direct interconnection to Madrid's digital corridor (Julián Camarillo and Alcobendas). |
| PUE Target | < 1.30 Annualized Operational Design PUE |
| Energy Mix | 100% matched clean renewable energy backed by European Guarantees of Origin (GoO). |
Milestones
| Header | Details |
|---|
| Announcement | Initial Launch: 2013 / 100MW Expansion Masterplan: 2021–2023 |
| Construction Start | Phased Continuous Construction |
| Phase 1 Go-Live | Operational |
| Full Buildout | 2026–2029+ (Phased delivery to 100 MW) |
Investment Details
| Header | Details |
|---|
| Total Investment | Estimated €200,000,000 EUR to €400,000,000+ EUR (Full 100MW Buildout) |
| Funding | Nabiax / Asterion Industrial Partners corporate capital expenditure (CapEx) allocation |