The €11 billion data center investment by Schwarz Digits in Lübbenau, Brandenburg is receiving renewed attention as construction advances. The project itself was announced earlier. In November 2025, Schwarz Digits said it was building one of Europe’s most modern data centers on the site of a former power plant, with an initial 200 MW grid connection and planned completion by the end of 2027. Recent reporting from Tagesspiegel shows cranes and construction activity now reshaping the former industrial site.
The strategic importance goes beyond the size of the investment. Schwarz Digits is the IT and digital division of the Schwarz Group, whose businesses include Lidl and Kaufland. The Lübbenau facility is intended to support cloud and AI capacity, including the STACKIT cloud platform. For Europe, this turns digital sovereignty from an abstract policy goal into a physical infrastructure question. Sensaka’s Europe data center map provides context for how facilities and operators are distributed across the region.
Sovereign cloud still depends on ordinary physical constraints
Discussions about sovereignty often focus on where data is stored, which legal jurisdiction applies and who controls the software platform. Those questions matter, but sovereign infrastructure still requires electricity, cooling, network capacity, land and skilled operators.
The Lübbenau project is a useful example because it is being built at the scale where those physical systems become strategic. A 200 MW initial connection is not simply an IT specification. It is a major regional power relationship. The facility also has to support dense AI systems whose power and cooling profiles can differ significantly from conventional enterprise computing.
Sensaka’s guide to data center power planning illustrates the facility level discipline behind those large headline numbers. Operators ultimately need to translate available electrical capacity into real equipment load, redundancy and continuous operating headroom.
The former power plant location shows how infrastructure geography is changing
Lübbenau was historically associated with energy production. Reusing a former power plant site for digital infrastructure highlights a broader European trend in which data center developers look beyond established metropolitan clusters for locations with land, grid access and industrial infrastructure.
That matters because traditional data center markets can face long grid connection times and higher land costs. AI infrastructure is power intensive enough that proximity to available electrical infrastructure can influence site selection as much as proximity to a large city.
The shift also creates new regional development questions. A large facility can bring construction activity and long term technical jobs, but it also requires public infrastructure and local acceptance. Data center developers increasingly need to demonstrate how the project will use power, manage noise and cooling, and fit into regional energy plans.
Heat reuse is becoming part of the operating story
Schwarz Digits said waste heat from the data center is planned to feed into Lübbenau’s district heating network from 2028. Heat reuse is attractive because data centers continuously convert electricity into heat, and using some of that energy locally can improve the broader efficiency story.
The practical value depends on operating conditions. The heat must be available at useful temperatures, the district network needs customers at the right times and the systems require reliable interfaces between the facility and the heating network. Heat reuse should therefore be treated as infrastructure with its own monitoring and availability requirements.
Sensaka’s guide to data center cooling systems explains how thermal design affects hardware health and facility efficiency. At AI densities, cooling architecture and heat rejection are becoming central design decisions rather than supporting details.
Europe’s AI competition is moving into capital intensive infrastructure
European policymakers frequently discuss the need for domestic cloud capacity and less dependence on foreign technology providers. The Lübbenau project demonstrates what that ambition costs when it becomes physical. Billions of euros are required not only for servers but also for the building, power systems, cooling, networking and the operational platform around them.
This creates a different competitive test. A sovereign cloud provider must offer useful services and competitive economics while also operating capital intensive facilities reliably. Data sovereignty can influence buyer preference, but it does not remove expectations around performance, uptime and price.
The Schwarz Digits investment is therefore important because it links a European strategic objective with a specific, visible construction project. Digital sovereignty depends on software and policy, but it also depends on whether Europe can build, energize, cool and operate large AI facilities at scale. Lübbenau is one of the places where that question is being answered in concrete and megawatts.
Originally published on the Sensaka blog.
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