Denmark's grid operator Energinet paused all new grid connection agreements in March 2026 after a queue of approximately 60 gigawatts of projects — nearly nine times the country's peak electricity demand of roughly 7 gigawatts — overwhelmed the system. AI data centres are the proximate cause.
Overview
Denmark generates more than 80 per cent of its electricity from renewable sources, primarily wind. Its grid operator Energinet spent decades building infrastructure to support a decarbonised power system. That success attracted hyperscale data centre operators: Microsoft, Google, and Apple account for 60 per cent of the country's current data centre footprint. Microsoft alone committed $3 billion to data centre construction in Denmark between 2023 and 2027. Apple operates a facility in Viborg; Google has expanded its Danish operations.
At the start of 2026, Denmark had approximately 398 megawatts of installed data centre capacity, with an additional 208 megawatts under construction and projections to reach 1.2 gigawatts by 2030. The hyperscalers chose Denmark for its stable governance, reliable infrastructure, cool climate (which reduces cooling costs), and abundant wind power.
The numbers
The scale of AI-driven electricity demand has outrun forecasts. The International Energy Agency reported that data centre electricity consumption surged 17 per cent in 2025, with AI-focused facilities growing even faster. Global data centre electricity use is projected to double by 2030, and power consumption from AI-specific data centres is expected to triple. A single AI inference task can consume up to 1,000 times more electricity than a traditional web search. Training runs for frontier models require hundreds of megawatts sustained over weeks. The hyperscalers' combined capital expenditure is projected to exceed $690 billion in 2026, a 36 per cent increase over 2025, with the majority directed at data centre construction and power infrastructure.
The Nordic question
Denmark is the first Nordic country to impose a grid connection pause. Sweden, Finland, and Norway have all attracted significant data centre investment for the same reasons — renewable energy, cool climates, stable governance — but none have implemented a similar moratorium. Energinet's pause is designed to last three months, during which the operator will assess how to manage the queue and develop new criteria for prioritising grid connection requests from large energy users. Soren Dupont Kristensen, Energinet's Chief Operating Officer, described the pause as a "window of opportunity" to rethink regulation.
Tradeoffs
The structural tension is between two policy objectives Denmark pursued simultaneously: building the world's cleanest electricity grid and attracting the world's largest technology companies. Both succeeded. But the grid was designed for a decarbonised industrial economy, not for an AI