Finland is preparing to remove one of Europe’s most competitive electricity tax advantages for data centers under legislation expected to take effect on 1 July 2026.

The proposal would reclassify data center electricity consumption from the lower industrial tariff of approximately USD 0.0006/kWh to the general electricity tax rate of around USD 0.025/kWh, representing nearly a 45-fold increase.

Operating Costs Set to Rise Sharply

The policy change is expected to significantly increase operating costs for hyperscale and colocation operators across the country. A continuously operating 100 MW facility could face approximately USD 21 million in additional annual electricity taxes under the revised structure. The move materially changes Finland’s position as a low-cost Nordic AI and data center destination.

Finland’s Cost Advantage Narrows

Data center sites previously underwritten at all-in electricity costs near 5.25 US cents/kWh are now expected to move closer to 7.5 cents/kWh after the tax increase.

The margin compression is expected to impact long-term hosting agreements, project underwriting, and future expansion plans. Major operators, including Google and XTX Markets, have already raised concerns regarding regulatory stability and long-term operating predictability in Finland.

XTX Markets is reportedly reviewing its planned more than USD 1.1 billion Kajaani data center investment following the proposed reform, while Google stated that future expansion decisions in Finland depend heavily on stable regulatory conditions.

Norway Positioned as a Key Beneficiary

The proposed Finnish tax changes are also increasing attention on Norway’s hydro-powered electricity market, particularly in the NO4 and NO3 bidding zones, where operators secured long-term fixed-price PPAs before the recent AI infrastructure surge.

Unlike Finland, Norway has not introduced a similar electricity tax reclassification for conventional data centers, preserving a significant cost advantage for operators with locked-in power agreements.

Nordic Market Faces Growing Fragmentation

Finland’s proposed tax reform comes alongside broader energy and infrastructure policy shifts across the Nordics. Sweden recently paused progress on the Konti-Skan Connect power cable project with Denmark, while Denmark temporarily halted new large-scale grid connection agreements following surging electricity demand from AI and data center developments.

Investors Focus on Bidding-Zone Risk

The latest policy changes highlight the growing importance of jurisdiction-specific and bidding-zone-level risk analysis for infrastructure investors and operators.

With Nordic data center electricity demand expected to rise sharply over the next decade, underwriting models are increasingly being adjusted to account for energy pricing volatility, grid access constraints, taxation policies, and regulatory differentiation across individual Nordic markets.

Finland Plans Future Subsidy Support

The Finnish government is also preparing a replacement subsidy framework aimed at supporting high-value data center operations and preserving the country’s competitiveness. However, the proposed support mechanism is not expected to take effect until later in 2026, creating a temporary gap during which operators may face the full higher electricity tax burden without offsetting relief.

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