Denmark Puts Data Centers Last in Line for Grid Power

Denmark's parliament adopted an emergency grid-connection law on October 1 that replaces the country's first-come-first-served rule for accessing scarce electricity capacity with a four-tier priority system. The law takes effect October 12, and it is explicit about where most data centers land: near the back. Energinet, the state-owned transmission operator, and other grid companies gain the power to rank incoming connection requests by category rather than by application date, a shift that followed a formal public consultation that opened in July and a cross-party deal backed by roughly 80 percent of parliament.

A four-tier queue, built to exclude hyperscalers

Under the new model, Category 1 covers standard load growth for existing customers, new households, small businesses, and critical societal functions such as defense, healthcare, and emergency services; data centers tied to those functions can also qualify. Category 2 covers projects supporting electrification and the green transition. Category 3 covers energy storage. Category 4, the lowest tier, covers large energy consumers, a group the legislative text singles out as "typically not geographically bound" and capable of straining the grid, with data centers as the explicit example. Grid operators can reject Category 3 and 4 applications outright if capacity won't materialize soon enough and the connection would displace a higher-priority project. A project's standing within its tier can still improve if it is judged "grid-friendly" — willing to shift consumption to match available capacity — though the law leaves that term undefined, and the Electricity Supply Authority will hear appeals.

Climate, energy and supply spokesperson Anna Bjerre of the Alternative party said hyperscale data centers and tech giants would now sit at the back of the grid queue and could be rejected outright, calling the law a first step toward electrifying Denmark, phasing out fossil fuels, and stabilizing energy prices.

The backlog that forced the issue

The numbers behind the law explain the urgency. Denmark's peak grid load is just over 7 gigawatts, but pending connection applications now total roughly 60 gigawatts — almost half of it battery-storage parks, about a third data centers, and just over a tenth power-to-x plants. The volume of applications rose from 16 in 2020 to 124 in 2025. A National Audit Office review found that about 70 percent of grid-expansion projects were running late, typically by two years, and concluded Energinet would need to roughly double its construction pace to hit Denmark's 2050 climate target. Energinet had already suspended new capacity awards for three months starting March 2 after the surge in applications, and it told regulators it could not legally discriminate between data centers and, say, hospitals without a political mandate — which is effectively what parliament just supplied.

Climate, energy and utilities minister Samira Nawa, who took office in June as part of Prime Minister Mette Frederiksen's third-term coalition, has pressed the issue since trialling the policy that month, when she pointed to "foreign data centers" — language widely read as targeting American cloud operators — as a driver of the capacity crunch. She has described the grid situation as "deeply serious" and warned earlier in the process that continued strain "threatens to bring our green transition and development to a standstill." A Computer Weekly analysis of European Data Centre Association figures found that nearly all existing Danish data center capacity is already owned by U.S. tech giants, including a Microsoft cloud region whose construction, begun in 2020, is still expanding.

Industry pushback and an unresolved definition

The Danish Data Centre Association has not opposed reform outright but argues the queue itself is distorted. "The government needs to clean up the queue system, remove the inflated sense of demand, and weed out weak projects," said the association's Merima Dzanic, suggesting that much of the 60-gigawatt backlog reflects speculative filings rather than real demand. Energinet's own staff have welcomed the political cover: "We need the political decision," said Jacob Rosenberg Nielsen of the operator, underscoring that grid companies were unwilling to ration access on their own authority. Not every lawmaker is comfortable with the mechanism either — Liberal Party spokesperson Mathilde Hjort Bressum said the ranking system should function as a temporary tool for an acute shortage, not become, in her words, "the new normal." Critics of the government's framing also note that Denmark's broader electrification push, not data centers alone, is driving much of the demand growth the grid is struggling to absorb. The Danish Energy Agency has since cut its own data center electricity-demand forecast by about 70 percent versus last year's projection, and by a further 60 percent looking five years out, even as the Danish Data Centre Association still estimates 15 to 20 gigawatts of data center projects sit in the queue against only 1.2 gigawatts of capacity expected to be installed by 2030.

A template other grids are already copying

Denmark is not acting in isolation. Finland is running its own consultation, due to close October 9, on a similar tiered connection system that would favor smaller projects and push back any data center application above 10 megawatts. Israel's Electricity Authority froze grid processing for new data centers for 140 days starting in July. And in June, the European Data Centre Association joined 13 other industry groups in backing a European Commission plan to recast data centers as flexible participants in the grid rather than fixed loads — a framing that overlaps with, but is less punitive than, what Copenhagen just enacted into law. For an industry that has treated grid interconnection delays mainly as a U.S. and PJM-region problem, Denmark's law is a signal that European regulators are willing to use legislation, not just queue management, to decide which electricity consumers get built first — and that hyperscale data centers, for now, are not it.