Milan CyrusOne MIL2 54MW Hyperscale Data Center
Status: Under Development / Planning | Location: Via Raffaele Rubattino no. 90, 20134, Milan, Italy
Project Overview
The CyrusOne MIL2 data center in Segrate, East Milan, represents a vital expansion of Italy's hyperscale cloud capabilities and AI-ready digital infrastructure. Announced in April 2025 following the developer’s strategic acquisition of an 18.5-acre site, this state-of-the-art facility builds upon the existing campus to address the intense compute requirements of multinational enterprises and cloud providers in Southern Europe. Delivering 54 megawatts (MW) of critical IT capacity across 18,000 square meters of highly optimized technical space, the multi-story structure is custom-engineered to handle dense, next-generation AI and high-performance computing (HPC) server deployments. The project is highly integrated with regional utility infrastructure. CyrusOne partnered directly with Italy's national grid operator, TERNA, transferring 8,300 square meters of land to expand the adjacent Lambrate substation. This enables a massive dual-active 90 MVA power supply at 220kV to cleanly feed the campus. Built with sustainability at its core, MIL2 utilizes a water-free closed-loop cooling system optimized to maximize free cooling hours. Additionally, the building is architected "heat-reuse ready" to supply captured thermal energy back into the local municipality while aiming for a minimum BREEAM "Very Good" environmental certification.
Quick Facts
| Field | Value |
|---|
| Project Name | Milan CyrusOne MIL2 54MW Hyperscale Data Center |
| Location | Via Raffaele Rubattino no. 90, 20134, Milan, Italy |
| Status | Under Development / Planning |
| Commissioning | Q1 2028 |
| Total IT Load | 54 MW |
| Total Capacity | 54 MW |
| Tier Level | Tier III Equivalent (High-Availability Hyperscale) |
| Project Type | Hyperscale / AI-Ready Data Center Campus |
City Profile
| Header | Details |
|---|
| City Name | Milan |
| Population | ~1.4 million |
| Urban Agglomeration | ~3.2 million |
| City GDP | ~USD 220–240 billion |
| Per Capita Income | ~USD 60,000–65,000 |
| City Tier | Alpha Global City |
| Key Strengths | Global financial and fashion capital |
Companies Involved
| Header | Details |
|---|
| Developer / Operator | CyrusOne |
| Strategic Infrastructure Partner | TERNA S.p.A. & Municipality of Segrate |
| Construction Contractor | To Be Announced |
| MEP Engineering | CyrusOne European Design & Engineering Team |
| Network Connectivity | Diverse Telecom Carriers, Local Milan Internet Exchange (MIX) |
| Power Infrastructure | Expanded Lambrate Substation Interconnect (220kV) |
Technical Specifications
| Header | Details |
|---|
| Power Capacity | 90 MVA Dual Active High-Voltage Supply Allocation |
| UPS Redundancy | Distributed Redundant (N+1) Topology |
| Cooling System | Closed-Loop Eco-Efficient Chilled Water with Heat-Reuse Readiness |
| Connectivity | Multiple Carrier-Neutral Meet-Me Rooms, High-Count Fiber Entry |
| PUE Target | Low Operational PUE via Maximized Free Cooling Hours |
| Energy Mix | 100% Renewable Energy Integration + 500 sqm Rooftop Solar Arrays |
Milestones
| Header | Details |
|---|
| Announcement | April 2025 |
| Construction Start | Q1 2026 |
| Phase 1 Go-Live | Q1 2028 |
| Full Buildout | Q4 2028 |
Investment Details
| Header | Details |
|---|
| Total Investment | Undisclosed (Estimated Multimillion-Euro Capital Expenditure) |
| Funding | Corporate Capital / Global Infrastructure Partners (GIP) & KKR backing |