en.Wedoany.com Reported - German data center operator firstcolo has held a groundbreaking ceremony for its FRA7 colocation data center in Rosbach vor der Höhe, with an investment of approximately €250 million and a planned capacity of 24MW to support cloud computing, artificial intelligence, and high-performance computing workloads.
The key metric for the FRA7 project lies in its rack power density, which can support up to 200kW. This target places the facility in a new domain of the data center market defined by accelerator clusters, liquid cooling circuits, and high-power power engineering. For enterprise customers, procurement conversations are shifting: capacity is no longer measured solely in square meters, cabinets, or connectivity options; per-rack power, cooling methods, grid location, energy sources, and the operator's system stability in an AI infrastructure environment have become core considerations.
The German government is pushing for more such facilities to be built domestically. Hesse is closely tied to the Frankfurt data center industry, and this project is designed around digital sovereignty, AI readiness, and European infrastructure control. FRA7 is being developed in Rosbach vor der Höhe, north of Frankfurt, with a planned capacity of approximately 24MW. By global standards, this is not a hyperscale project, but in the German colocation and cloud market, it represents a significant local infrastructure investment. Currently, AI demand is testing available power, GPU supply, cooling design, and construction timelines in major European markets.
firstcolo stated that the site will operate entirely on certified green power and aims to maintain a PUE (Power Usage Effectiveness) below 1.2. The company also plans to implement modern battery storage systems to support feeding excess energy back into the grid. As power infrastructure becomes a constraint, grid-interactive data centers are becoming more attractive. Liquid cooling is a core technology for this project; for serving the next wave of dense AI and HPC racks, air cooling is difficult to achieve without compromises.
Waste heat recovery is a politically significant part of this project. firstcolo stated that it will provide the waste heat from FRA7 to the municipality of Rosbach vor der Höhe free of charge for at least 20 years, for the city and its partners to explore for climate-friendly heating. Mayor Steffen Maar highlighted the project's potential value for economic development and the waste heat initiative. The Gießen-Friedberg Chamber of Industry and Commerce has also expressed support. Hesse's Minister for Digitalization, Prof. Dr. Kristina Sinemus, views high-performance data centers as core infrastructure for business, public administration, and AI development.
On the construction side, SPIE is responsible for building services engineering and critical infrastructure systems through a joint venture with Lupp, while Lupp handles the structural shell, facade, and interior fit-out. High-density AI facilities impose strict requirements on construction; any delays in electrical rooms, cooling equipment, commissioning, or the supply chain can impact marketable capacity. firstcolo founder and CEO Jerome Evans described FRA7 as the starting point of a broader investment plan to expand data center capacity in the region and beyond. For colocation providers, FRA7 is a landmark project, as traditional colocation services are being pulled toward AI infrastructure. The decision for enterprise customers lies not only in whether FRA7 exists, but also in whether firstcolo can translate construction into reliable capacity and offer predictable commercial terms.
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