Europe's Data Center Colocation Market Enters Its Next Investment Phase Heading to USD 46.51 Billion by 2031
According to Arizton, the Europe data center colocation market by investment was valued at USD 11.65 billion in 2025 and is projected to reach USD 46.51 billion by 2031, growing at a CAGR of 25.94%. The market continues to gain momentum as investments in AI, machine learning, cloud computing, IoT, 5G networks, smart cities, submarine cable infrastructure, and sustainable digital infrastructure reshape data center development across the region.
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Europe's Data Center Market Is Entering Its Next Investment Phase
Key Highlights
- The Dutch Data Center Association continues to advocate for supportive regulations and the sustainable growth of the Netherlands' data center sector.
- In May 2025, Iron Mountain Data Centers announced the expansion of its AMS-1 facility in Amsterdam through Phase 4, reinforcing continued investment in one of Europe's leading colocation markets.
- In January 2026, Prime Data Centers announced plans for an AI-ready data center near Helsinki, highlighting growing investment interest in Nordic colocation markets.
- In May 2026, EdgeConneX announced plans to develop three next-generation data center campuses in Italy's Lombardy region. The project has been designated as being of national strategic interest and is expected to be completed by 2031.
AI Is Changing How Data Centers Are Planned
AI is changing the way data centers are designed and developed across Europe. Higher rack densities, increasing power demand, and the rapid adoption of high-performance computing (HPC) are influencing both site selection and infrastructure planning. Operators are focusing on locations that can provide reliable power, support large-scale AI workloads, and offer room for future expansion.
Finland is one example of this trend. Prime Data Centers' planned USD 2 billion AI-ready data center near Helsinki highlights the country's growing importance for AI infrastructure. Its access to renewable energy, strong connectivity, and favourable climate continue to attract large-scale investments.
Power and Land Availability Are Influencing New Investments
As demand for data centers grows, developers are paying closer attention to power availability, land, and environmental regulations. While established markets such as Amsterdam remain important, these constraints are encouraging operators to explore other locations for future capacity.
Italy is emerging as one of the key investment destinations. The country has an investment pipeline of approximately USD 8.13 billion, including the redevelopment of the Trino site and three EdgeConneX campuses in Lombardy. These projects highlight Italy's increasing role in Europe's next phase of hyperscale and colocation development.
Liquid Cooling and Sustainability Are Becoming Standard
The growth of AI workloads is also changing how data centers are cooled. As computing density increases, operators are adopting direct-to-chip and immersion cooling technologies to improve thermal management and energy efficiency. These technologies are becoming an important part of next-generation data center design.
Sustainability remains another key priority. Across Europe, operators are increasing renewable energy procurement, investing in waste heat recovery, improving water efficiency, and integrating lower-carbon infrastructure into new developments. A recent example is Nscale's renewable power agreement with Vattenfall to supply electricity to its planned 230 MW AI-focused data center in Norway, demonstrating how sustainability is becoming part of long-term infrastructure planning.
Investment Is Expanding Beyond Traditional Markets
Western Europe continues to account for the largest share of investment because of its mature digital infrastructure and strong connectivity. At the same time, new opportunities are emerging across the region. Spain is strengthening Madrid's position as a Southern European digital hub, Italy continues to attract hyperscale developments around Milan, and Poland remains a leading market in Central and Eastern Europe. The Nordic countries are also gaining attention as preferred locations for AI-ready data centers supported by renewable energy and favourable operating conditions.
What This Means for the Europe's Data Center Colocation Market.
Europe's data center investment landscape is becoming more geographically diverse as AI deployment, power availability, and sustainability increasingly influence where new capacity is developed. While established markets will continue to attract investment, emerging locations across Southern Europe, the Nordics, and Central & Eastern Europe are gaining importance as operators seek infrastructure that can support long-term expansion. This shift is expected to broaden demand across the data center value chain, particularly for power infrastructure, cooling technologies, construction services, and digital infrastructure solutions.
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