Market

Why Europe needs its own floor

The European Commission wants to at least triple the EU's data centre capacity by 2030. Do the arithmetic on its own figures and the tripling lands almost exactly on the demand it forecasts for that year. The headline is catch-up. This article is about what the target does not count, which is who will own the floor.

Europe plans to triple its data centre capacity by 2030. Its own forecast says that is what it takes to stop being short. What the target measures, what it leaves out, and where a German site fits.

The arithmetic of the target

The Commission's impact assessment for the Cloud and AI Development Act puts installed EU capacity at 12.4 GW in 2025 and central demand in 2030 at 37 GW. Twelve point four times three is 37.2. The document says as much itself: the 2030 target is an intermediate step so that by 2035 EU capacity should meet its needs. Under the baseline, with no new policy, supply reaches about 28 GW in 2030 against 37 GW of demand. Nine gigawatts missing, roughly thirty campuses of 300 MW, before a single accelerator is counted.

What sovereignty buys today

The current European definition of sovereignty is legal. Where is the data stored, which court has jurisdiction, can a foreign government compel access. Those questions are answered with data residency, certification schemes and sovereign cloud offers, and the same impact assessment priced one such offer: the sovereign variant of six services from one American provider cost about 15 percent more than the ordinary Frankfurt region, same company, same hardware, same country. Three non-European providers hold around 70 percent of the European cloud market; European providers hold about 15 percent, a share that has not moved since 2022. Europe has learned to rent under its own law.

Where the paperwork stops

Sovereignty over a workload says nothing about who owns the building it runs in, the substation feeding it, the grid connection agreement behind the substation, the fibre into the site or the land under it. Our working definition of sovereign compute, in the article beside this one, is physical for that reason: a building at an address, owned and operated under one law. This article is about the economics of that definition. For as long as AI looked like software, the physical layer was somebody else's problem. It has stopped looking like software.

AI made the floor the constraint

A rack of AI accelerators draws fifty kilowatts and more, several times an ordinary rack. That turns a data centre from a real-estate product into an industrial one: megawatts of firm power, liquid cooling from the chip outward, a sink for the heat that comes out, and a grid connection that in Germany is applied for in years. The Commission's gap is measured in gigawatts because gigawatts are what is scarce. Sites that can take them are few, and the queue for a connection is the new front door of the industry.

The ownership question

A grid connection application, a zoning decision, a water right and a heat offtake are slow to obtain and impossible to import. Whoever holds the project company that holds them, on the day the site is energised, owns the value made in the years between. Europe's target counts megawatts. It keeps no number for who owns them. Three versions of 2036 fit the same capacity figure: a European-owned floor with tenants from anywhere; a foreign-owned floor with European tenants renting under European law; or the gap simply left open. The target is indifferent between the first two. A continent should not be.

Where a German site fits

Black Vault is one answer at the scale of a company. Two sites in the Harz, in Germany, under German and European law. In Quedlinburg an energy node that exists: 1 MW connected, storage and photovoltaics installed, running today. In Blankenburg a campus-scale site on GI-zoned industrial ground with a 110 kV connection application filed in March 2026, source water at 10 to 12 °C and a heat export design basis of up to 35 MWth. Each site sits in its own German project company. The holding pays for the survey, engineering and legal work first, and capital enters a project that has been measured. That is what owning the floor looks like at the beginning, and it is documented on this site with statuses, sources and dates.

What to watch, with dates

Three things will tell a reader whether this argument holds. Whether the Cloud and AI Development Act's monitoring, once it starts, counts ownership alongside capacity. Whether European providers' share of their own market moves off 15 percent before 2030. And, closest to home, whether the connection applied for at Blankenburg is granted, and on what date. That last one is on this site, with its status and its date.

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