Digital Realty CPH3 Data Center Copenhagen: 14MW Hyperscale & Interconnection Hub
Status: Fully Operational Hyperscale & Enterprise Facility | Location: Industriparken 24, DK-2750 Ballerup, Copenhagen, Denmark
Project Overview
Digital Realty CPH3 is a flagship hyperscale and carrier-neutral colocation data center delivering approximately 14 MW of critical IT capacity at Industriparken 24 in Ballerup, located within the Greater Copenhagen metropolitan area of Denmark. As the largest multi-megawatt expansion of Digital Realty's Copenhagen Campus, which also includes CPH1 and CPH2, CPH3 provides nearly 7,000 square meters of highly scalable, enterprise-grade digital infrastructure designed to support hyperscale cloud deployments, enterprise IT environments, hybrid cloud architectures, artificial intelligence (AI), high-performance computing (HPC), and mission-critical business applications. Built to international standards for reliability, operational resilience, and energy efficiency, the facility incorporates redundant electrical and mechanical systems, advanced cooling technologies, high-density rack capabilities, intelligent infrastructure management, and comprehensive physical security to ensure continuous availability for demanding workloads. As an integral part of Digital Realty's global PlatformDIGITAL® ecosystem, CPH3 enables customers to seamlessly deploy and interconnect digital infrastructure across hundreds of data centers worldwide while leveraging ServiceFabric® orchestration for secure, automated, and low-latency connectivity. The facility offers direct access to more than 95 cloud providers, telecommunications carriers, and network service providers, in addition to connections with major Nordic internet exchanges, including DIX and Netnod, providing resilient carrier-neutral connectivity across Scandinavia, Europe, and international markets. Strategic access to regional and international subsea cable systems further strengthens Copenhagen's role as a key digital gateway between Northern Europe and the rest of the world. Combining scalable colocation capacity, robust network interconnection, resilient infrastructure, and support for next-generation cloud and AI workloads, Digital Realty CPH3 serves hyperscale operators, multinational enterprises, financial institutions, content providers, and technology companies seeking secure, high-performance, and future-ready digital infrastructure in the Nordic region.
Quick Facts
| Field | Value |
|---|
| Project Name | Digital Realty CPH3 Data Center Copenhagen: 14MW Hyperscale & Interconnection Hub |
| Location | Industriparken 24, DK-2750 Ballerup, Copenhagen, Denmark |
| Status | Fully Operational Hyperscale & Enterprise Facility |
| Commissioning | Operational (Commissioned 2021) |
| Total IT Load | 14.0 MW Total Critical IT Power Capacity Allocation |
| Total Capacity | ~6,968 m² (~75,000 sq ft) gross facility building footprint |
| Tier Level | Tier III Equivalent Fault-Tolerant Architecture / ISO 22301, ISO 27001 Certified |
| Project Type | Purpose-Built Master-Planned Hyperscale, High-Density Colocation & Cloud Hub |
City Profile
| Header | Details |
|---|
| City Name | Ballerup |
| Population | ~50,000 (municipality population) |
| Urban Agglomeration | ~2.1 million (Greater Copenhagen Metropolitan Area) |
| City GDP | Part of the Greater Copenhagen economy (approx. USD 150+ billion) |
| Per Capita Income | ~USD 70,000 |
| City Tier | Tier 2 – Technology, Research & Business Hub |
| Key Strengths | Major technology and business district near Copenhagen; strong ICT and life sciences ecosystem; home to global companies; advanced telecommunications infrastructure; proximity to Copenhagen Airport; highly skilled workforce; strong research and innovation environment; excellent transport connectivity; growing digital infrastructure and data center potential. |
Companies Involved
| Header | Details |
|---|
| Developer / Operator | Digital Realty |
| Strategic Infrastructure Partner | Radius Elnet (Utility Distribution Network) & Energinet (Danish Transmission System Operator) |
| Construction Contractor | Specialized European Mission-Critical Engineering & EPC Contractors |
| MEP Engineering | Digital Realty In-House Technical Infrastructure & Design Engineering Teams |
| Network Connectivity | Dense carrier-neutral environment featuring 95+ carrier and cloud service providers, dual path-diverse subterranean fiber entrance vaults, dedicated Meet-Me-Rooms (MMRs), direct interconnects to CPH1/CPH2, and direct access to local IX exchanges (DIX, Netnod, STHIX). |
| Power Infrastructure | Dual independent high-voltage utility grid feeds, static 2N / N+1 uninterruptible power supply (UPS) configurations, automated switchgear, and multi-megawatt N+1 standby emergency diesel generator arrays with on-site fuel reserve autonomy. |
Technical Specifications
| Header | Details |
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| Power Capacity | ~16.0+ MVA Total Utility Grid Supply Allocation |
| UPS Redundancy | 2N / N+1 Static UPS Architecture |
| Cooling System | High-efficiency cooling units with N+1 system redundancy, hot/cold aisle containment, indirect free-cooling capabilities, and automated smart BMS environmental controls. |
| Connectivity | Low-latency optical dark fiber backbones linking CPH3 directly to central Copenhagen telecom hubs and regional Nordic-to-North America subsea cable landing gateways. |
| PUE Target | < 1.25 Annualized Operational Design PUE |
| Energy Mix | 100% Certified Green Renewable Energy supply matched with corporate sustainability targets. |
Milestones
| Header | Details |
|---|
| Announcement | 2019 (Groundbreaking Dec 2020) |
| Construction Start | Q4 2020 |
| Phase 1 Go-Live | Operational (Commissioned 2021) |
| Full Buildout | Fully Operational Active Facility |
Investment Details
| Header | Details |
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| Total Investment | Estimated €80,000,000 EUR to €120,000,000 EUR Total Capital Investment |
| Funding | Corporate Capital Expenditure (Digital Realty) |