Equinix Opens MD5 Data Center in Madrid, Investing €460 Million to Expand Southern Europe Digital Hub
May 27, 2026
Equinix Opens MD5 Data Center in Madrid, Investing €460 Million to Expand Southern Europe Digital Hub
Global colocation and interconnection giant Equinix has officially opened its MD5 data center in Alcobendas, Spain, marking a significant milestone in a €460 million (US$535 million) expansion of its Madrid campus. The facility, inaugurated in the presence of Isabel Díaz Ayuso, President of the Community of Madrid, is designed to bolster interconnection capacity across Southern Europe and reinforce Spain’s position as a critical digital infrastructure hub.
The investment is part of a broader economic impact plan by Equinix, which already operates eight data centers across Madrid and Barcelona. All of these facilities are powered by 100 percent renewable energy and collectively serve more than 300 customers in the country. The new MD5 site is integrated into Equinix’s existing Madrid ecosystem, which hosts over 225 companies connected through more than 70 network providers. The company says the facility is engineered to provide low-latency, secure connectivity for enterprises and cloud providers, enabling hybrid and multicloud deployments.
At the inauguration, a panel discussion titled “The Physical Foundation of AI: The Future Is Built Here” brought together industry leaders who emphasized the strategic importance of the facility. Valentín Pinuaga, Managing Director of Equinix Spain, stated, “The opening of MD5 in Alcobendas represents the consolidation of a commitment that Equinix has been building in this country for more than two decades. What is required for that AI to actually work at scale and securely. And this is where infrastructure comes into play. Data centers are the foundation on which the economy is built.”
Fernando Silva, President and CEO of Siemens Spain, added, “The inauguration of these data centers reflects the potential of Madrid and Spain to attract these infrastructures key to the development of the digital economy. At Siemens Spain, we help make these opportunities real with technologies that integrate electrical infrastructure, liquid cooling, building management systems, and industrial automation needed to support high-density AI platforms.” Begoña Villacís, Executive Director of SpainDC, framed the development in broader strategic terms: “This is no longer a technological conversation; it is an industrial, economic, and strategic one. The ability of Europe, Spain, and Madrid to store, process, and manage their data will be decisive for our future autonomy and competitiveness. And that inevitably requires a new reindustrialization linked to digital infrastructure.”
Ricardo Abad, CEO of Quark, highlighted the growing demands on infrastructure: “We are in a moment where there is enormous demand for energy, computing, latency and this demand will continue to grow; it is unstoppable. Therefore, it becomes imperative to integrate resilience as a core design element at all levels to ensure the system is stable and does not fail.”
According to Equinix, the MD5 facility adds more than 4,400 square meters of colocation space and is specifically designed for high-density computing environments. It features N+1 redundancy for both power and cooling systems, a 5+1 backup generator configuration, biometric access controls, and continuous surveillance. Equinix is targeting 99.999 percent availability for the site. The facility operates entirely on renewable energy and is designed to achieve LEED certification, as well as ISO 14001 and ISO 50001 standards, by 2027.
Source: w.media
