One Microsoft site consumes 1% of Dutch power

A single Microsoft facility in the Dutch countryside consumed about 1.17 TWh of electricity in 2025. That is roughly 1% of all power used in the Netherlands (Tweakers, CBS). The number, disclosed under new EU reporting rules, gives most Europeans their first real meter reading for the infrastructure behind their email, cloud storage and AI tools. The cloud feels weightless. The grid disagrees.

A power plant that never shuts down

A terawatt-hour is hard to picture. Think of it this way: Microsoft's Middenmeer site draws roughly 134 megawatts continuously, day and night, year-round. A medium-sized industrial plant that never switches off. The energy would cover about 390,000 Dutch homes, though homes and data centres use power in very different patterns (Tweakers).

What makes data centres unusual is that their demand barely fluctuates. A car factory draws power during shifts and idles at night. A data centre runs flat, all day, every day (EIA). Grid operators design for peaks and valleys. A constant high-draw load that never dips leaves less room for everyone else on the same network.

On top of computation, cooling eats a large share of each facility's power bill. AI compounds both pressures: training a large model can draw heavy power for days or weeks, while millions of users asking questions simultaneously create sharp demand spikes on top of the already steady baseline (ReGlobal).

What Europe still can't see

The Dutch disclosure exists because the EU's recast Energy Efficiency Directive now requires data centres drawing more than 500 kilowatts for their servers to report energy and resource use (EUR-Lex). The European Commission's first collection covered 776 EU facilities and 16.7 TWh of total consumption (European Commission).

The gaps are telling. Of roughly 160 Dutch data centres, 104 submitted data and 27 left crucial fields blank. Google withheld site-level Dutch consumption entirely, citing business confidentiality (Data Center Dynamics). The missing data clustered among US operators. Industry lobbying helped preserve confidentiality protections around environmental indicators in the EU framework itself (Data Center Dynamics). Microsoft's number is visible because it is the exception, not because transparency is working.

Ireland shows where this leads. Data centres there consumed 7,663 GWh in 2025, equal to 23% of metered electricity, up from 5% in 2015 (CSO). At that scale, a grid operator facing a data centre request is not choosing whether a website loads faster. They are choosing whether scarce connection capacity goes to servers, housing, factories or transport electrification.

Ireland's answer was to impose conditions. New large data centres must source at least 80% of demand from new Irish renewable generation within six years, and provide backup power that can be switched on when needed, not just weather-dependent supply (CRU). Applications in congested areas around Dublin are rejected outright (Philip Lee). Grid connection became industrial policy.

Two ways to earn a place on the grid

Germany is writing data centres into energy law. Its Energy Efficiency Act imposes efficiency ceilings, waste-heat rules and renewable procurement requirements (EnEfG). New facilities face a PUE target of about 1.2. That means for every unit of electricity the servers use, roughly another fifth goes to cooling, power conversion and other overhead (Servola). Picking a location now means finding someone nearby who can actually use the waste heat, not just a power cable.

Denmark is testing a different bargain. Meta's Odense centre supplies up to 100,000 MWh per year to district heating (ENGIE). Waste heat only works when there is demand close by and pipes to deliver it, so it cannot erase the grid load. But it gives the public something concrete in return.

Europe already depends on data centres. The political fight is over the terms of that dependence. Microsoft's Dutch disclosure turned an abstract question into arithmetic anyone can check: one site, one percent. What remains hidden is whether the other 160-odd Dutch facilities carry comparable weight, what their peak demand and grid contracts look like, and whether their clean-energy claims hold up. The meter is visible now. Europe still has to decide what data-centre power should cost, disclose and give back.