Belgium's digital ambitions are growing. Artificial intelligence, cloud adoption and increasingly data-driven business processes are creating new demand for computing capacity, putting increasing pressure on data center grid capacity.
But while demand for digital infrastructure continues to increase, the resources needed to support it are not unlimited. Electricity grid capacity, in particular, has become a critical consideration for new infrastructure investments.
This raises a fundamental question: how can Belgium make transparent, future-oriented decisions about the digital infrastructure it needs? The answer is more complex than simply comparing the megawatts requested by different developers.
Data center grid capacity vs. actual electricity consumption
One of the most important distinctions in the debate about data centers and energy is the difference between requested electrical capacity and actual electricity consumption. When developing a data center, operators need to secure sufficient grid capacity to support their planned infrastructure.
However, the capacity requested during the development phase does not necessarily reflect the amount of electricity that will ultimately be consumed. Developers may investigate several potential locations before making a final investment decision. Some projects are developed in phases, while others may never reach construction. As a result, multiple capacity requests do not automatically translate into equivalent operational demand.
There is also an important technical distinction:
- Megawatts (MW): A unit of power used to express electrical capacity or demand.
- Megawatt-hours (MWh): A unit of energy used to express electricity consumed over time.
A request for a 20 MW grid connection does not mean a facility continuously consumes 20 MW. Actual consumption depends on installed IT equipment, utilisation, cooling requirements and operating conditions. Grid operators must nevertheless account for potential future demand when planning electricity infrastructure.
Not every infrastructure project represents the same reality
Digital infrastructure projects differ in maturity, technical design and economic purpose. Some are backed by concrete customer commitments and defined implementation plans, while others remain exploratory.
When grid capacity is constrained, these differences matter. Looking beyond requested megawatts can help distinguish projects with demonstrable demand and realistic development plans from those still in an early stage.
Five considerations for responsible data center grid capacity planning
Drawing on our experience as a Belgian data center operator, we propose five considerations for a more transparent and future-oriented discussion. These reflect Datacenter United's perspective, not an existing Belgian regulatory framework.
1. Demonstrable customer demand
A project's underlying commercial requirements should be part of its assessment. Is there a concrete need for the proposed capacity? Are there customer commitments or other credible indications that the infrastructure will be used? Distinguishing demonstrable demand from speculative projections can contribute to more informed infrastructure planning.
2. Energy and cooling efficiency
The technical design of a data center influences how efficiently electricity is used. Electrical distribution, cooling architecture and infrastructure utilisation all play a role. Projects should therefore be assessed not only on their requested capacity, but also on how efficiently that capacity is expected to be deployed.
3. Grid integration
New infrastructure must be considered within the context of the electricity system. Available capacity, connection requirements, potential grid reinforcements and implementation timelines are all relevant. The objective is to understand how a project fits within the wider energy infrastructure rather than evaluating it in isolation.
4. Operational resilience
Data centers support digital services on which businesses and public organisations increasingly depend. Infrastructure resilience, redundancy and business continuity should therefore form part of the evaluation. A project's value is not determined solely by the amount of computing capacity it provides, but also by the reliability of the services it enables.
5. Local economic value
Digital infrastructure can support economic activity beyond the physical data center itself. Depending on the project, this may include investment, specialised expertise, connectivity and the digital services used by Belgian businesses. These benefits should be assessed realistically and supported by evidence wherever possible.
From theoretical demand to concrete AI infrastructure
Datacenter United has signed a binding agreement with a Benelux customer for multi-megawatt AI capacity at its Machelen data center. The planned high-density environment will incorporate liquid cooling to support demanding AI workloads, which place different requirements on electrical capacity, cooling and infrastructure design compared with traditional enterprise applications.
Why data center grid capacity matters for Belgium's digital future
The availability of computing infrastructure is increasingly connected to Belgium's economic ambitions. Businesses need reliable digital services to develop new applications, adopt AI and expand their operations.
When suitable infrastructure cannot be developed locally, some organisations may choose to deploy workloads in other countries. For certain applications, international infrastructure is an appropriate and deliberate choice. But when companies must look abroad because the necessary capacity is unavailable in Belgium, the consequences may extend beyond the physical location of their servers.
Investment opportunities, specialised expertise and elements of strategic flexibility may also shift elsewhere. Belgium therefore faces an important balancing act: supporting digital development while using electricity, land and grid capacity responsibly.
Belgium wants AI. But where will it run?
That is the central question raised by our CEO, Friso Haringsma, in De Tijd on 7 October 2026. In the publication, Friso explores what is at stake for Belgium as demand for AI infrastructure grows, and why the decisions we make today will influence our digital competitiveness tomorrow.
Read the full article in De Tijd: "België wil AI. Maar waar zal die draaien?"
Building infrastructure that creates lasting value
At Datacenter United, our focus is on developing reliable digital infrastructure that responds to concrete customer needs and supports Belgium's long-term digital ambitions. Because Belgium's digital future should be shaped by the value infrastructure enables, not just the megawatts it requests.