Nordic AI data centres: cheap power, cold sites and new grid queues

The Nordics attract AI data centres for low business power prices, mostly low carbon electricity, and ways to cool and reuse heat. But grid operators in all four countries said on 23 June 2026 that connection requests are rising faster than capacity, so power is cheap but not instantly available.

This post looks at the Nordic case with dated sources. It covers the price gap, the cooling and heat claims, named projects, and the grid queues that now shape who gets power first. Company statements are plans, not results, and a few comparisons come from press reports. Those are marked so you can weigh them.

Key numbers at a glance

• Business electricity price, second half of 2025: Finland 0.0748 euro per kWh (lowest in the EU), Sweden 0.0970, EU average 0.1837, Ireland 0.2552 (highest), Eurostat, medium sized non-household consumers using 500 to 2,000 MWh a year, excluding VAT and recoverable taxes. Eurostat's article does not give comparable figures for Norway or Denmark.
• Price ratio, calculated from those Eurostat figures: Ireland's price was about 3.4 times Finland's and about 2.6 times Sweden's.
• Finland, signed data centre connection agreements: nearly 5 GW of planned final capacity as of mid-August 2026, Fingrid, 18 August 2026.
• Finland, overall effect: if every signed project were fully built, consumption would rise by nearly 40 percent from the 2025 level, in at least five years, same source.
• Denmark: requests for new grid connections equal eight times today's total peak load, Nordic grid operators' statement, 23 June 2026.
• Denmark, queue size: about 60 GW of queued consumption against maximum national consumption of about 7 GW, Ingeniøren, 5 March 2026, reporting Energinet's pause on new connection agreements.
• Sweden: demand for connection power is more than twice the peak load hour, with 2024 peak load of about 25,000 MW and installed generation of about 50,800 MW, Svenska kraftnät network development plan 2026 to 2035.
• Norway, mature connection applications: about 3,500 MW in the first half of 2026, up 2,000 MW on the same period a year earlier, Statnett half year report, 27 August 2026.
• Norway, grid spending: investments of 10.6 billion Norwegian kroner in 2025, up from 7.6 billion, Statnett annual report, 5 March 2026.
• Narvik campus: 230 MW, with more than 30,000 Nvidia Rubin GPUs for Microsoft due online in 2027, Nscale, 14 April 2026.

Terms used in this post

A few words come up again and again in Nordic grid documents, and they are easy to misread.

TSO. A transmission system operator runs the high voltage grid in a country. The four Nordic TSOs are Statnett in Norway, Svenska kraftnät in Sweden, Fingrid in Finland and Energinet in Denmark. Large data centres usually connect to their networks or to regional networks that depend on them.

Peak load. The highest level of electricity demand the system has to serve at one moment, usually on a cold winter day in the Nordics. When an operator says requests equal eight times peak load, it means the projects asking to connect would need eight times more power, at full use, than the whole country draws at its busiest hour.

Connection agreement versus connection request. A request is an application to join the queue. An agreement is a signed contract that reserves capacity, usually with dates and conditions. Agreements are firmer than requests, but neither is a finished building.

Maturity requirement. A test of how real a project is: land rights, permits, a credible timeline, sometimes early payments. Operators use these tests to move serious projects up the queue and push speculative ones out.

Flexible connection agreement. A contract where the customer gets a connection sooner in exchange for accepting that its power can be limited when the grid is stressed. That suits some loads well. For an AI training cluster that expects to run around the clock, it is a harder trade.

Why the Nordics keep coming up

Three reasons recur in company and government material: price, the make-up of the power supply, and the local climate. They are not equally well documented, so here is what the published sources do and do not say.

Price. Eurostat's figures for the second half of 2025 put Finland at 0.0748 euro per kWh and Sweden at 0.0970 for medium sized business users, against an EU average of 0.1837. That is roughly 59 percent and 47 percent below the EU average, calculated from the published numbers. The comparison covers one customer band and one half year. Very large data centres usually negotiate contracts that differ from published bands, so treat this as a signal of the general price level, not a quote. The Next Web reported on 9 April 2026 that OpenAI paused its UK project partly over electricity costs, and that UK industrial prices were more than four times those in Finland, Norway, Sweden and the United States. That is a press report and the factor depends on the series used. For how the British grid queue and its proposed power discount work, see the UK AI data centre grid explainer.

Power supply. Nscale described Narvik's grid in July 2025 as hydropower rich with prices well below the European average, and said the campus was intended to run entirely on renewable energy. Google reports that it reached 98 percent carbon free energy in Finland in 2023, with over three quarters matched by contracted supply within the Finnish grid region. Both are company statements. They show why buyers with carbon targets look north, but they do not prove availability for a new customer today.

Climate and cooling. The published sources say less than the folk wisdom. Google's Hamina page says the site uses seawater from the Bay of Finland for cooling. Nscale said in July 2025 that the Narvik campus expects to use closed loop, direct to chip liquid cooling. Neither source puts a number on the energy saved. For AI sites that run flat out, power price and grid access weigh more heavily in the sources above than climate does. For the water side of cooling choices, see the data centre water use explainer.

Heat reuse: turning waste into a product

A data centre turns nearly all the electricity it uses into heat. In a country with cold winters and district heating networks, that heat has a buyer.

Google's Hamina page describes a heat recovery project with the local energy company Haminan Energia, its first offsite heat recovery project, which is intended to supply an estimated 80 percent of the heat demand of the nearby homes and businesses it targets. The site's history shows how long this takes. Google bought a former paper mill site in 2009, the first data centre opened in 2011, and a seventh was announced in 2024. Google reports 3.5 billion euro invested in the region to date.

Nscale's July 2025 Norway announcement said excess heat from the GPU systems would be made available to low carbon enterprises in the region. In Scotland, a UK government release says excess heat from the Lanarkshire site could later be redirected to a local hospital, subject to planning.

Heat reuse depends on a nearby heat customer and on pipes, so it suits some sites and not others. These are announced intentions, and they should be checked against operating results before anyone counts on them.

The named projects

The Narvik campus is the best known, and its story shows how fast plans change. Nscale, Aker and OpenAI announced Stargate Norway on 31 July 2025. The site is at Kvandal, just outside Narvik in northern Norway. The plan was 230 MW, with an ambition to add 290 MW more, and a target of 100,000 Nvidia GPUs by the end of 2026. The initial phase was 20 MW, with roughly 1 billion US dollars committed, and OpenAI was named as the initial customer under its OpenAI for Countries programme.

By April 2026 the customer picture had changed. On 14 April 2026 Nscale announced an expanded deal with Microsoft at what it now calls Nscale Narvik: more than 30,000 Nvidia Rubin GPUs at the 230 MW campus, with capacity to come online in 2027. Nscale said the project would be managed solely by Nscale after the roll up of the Aker Nscale joint venture. The release does not mention OpenAI or Stargate. AmCham Norway, relaying DatacenterDynamics on 17 April 2026, said the Kvandal site had previously been set to host OpenAI's Stargate Norway. Earlier, High North News reported on 22 October 2025 that an agreement worth about 60 billion Norwegian kroner had been signed with Microsoft in mid September 2025 in connection with the site.

The same High North News report described a second planned site at Korgen in Hemnes municipality, Nordland. An Aker representative estimated grid capacity of 250 MW there and said the application to Statnett had been postponed by zoning delays, adding "We are now waiting in line." That quote is a useful reminder that even a well funded developer in a hydropower region joins the same queue as everyone else.

In Finland, the Hamina cluster is the long running example, with Google. In Sweden and Denmark, the official sources used here do not name individual AI projects, so none are listed.

The catch: record grid connection requests

On 23 June 2026 the four Nordic grid operators issued a joint statement titled "Strong growth in grid connection requests challenges the power system". It says requests for capacity significantly exceed what is available in the short to medium term, even with substantial planned investment. Denmark's request volume is eight times higher than today's total peak load, and some Danish projects are larger than the entire Copenhagen area. The operators name three problems: a high volume of requests of varying size and maturity creating long queues, a few very large projects making up a substantial share of requested capacity, and the fact that grid investment alone will not be enough, so demand and generation need to be planned together.

Each operator describes its own response.

• Energinet in Denmark has introduced maturity requirements and early phase payments, is adjusting queue management, and asks for a political discussion on prioritising customer groups. It says it will not be able to connect all customers where and when they want.
• Fingrid in Finland wants flexible connection agreements, new connection principles and power based tariffs, and argues flexible agreements should become permanent.
• Statnett in Norway plans stronger maturity requirements for large consumption projects, prioritises ordinary and smaller consumption, has made its list of connection requests public, and notes that the Storting adopted Energy Act amendments allowing prioritisation where needed for national security.
• Svenska kraftnät in Sweden describes a stepwise connection process in which less mature projects gradually lose their place, and plans a pilot on capacity zones next year.

The statement adds that "first come, first served" has in many cases already shifted to assessments based on maturity. Two quotes capture the tone. Energinet's Thomas Egebo: "We cannot handle this development with grid expansion alone." Statnett's Elisabeth Vike Vardheim: "The grid alone cannot solve this."

Country by country: what the operators report

Denmark. The sharpest step came first. Ingeniøren reported on 5 March 2026 that Energinet had paused the signing of new grid connection agreements, citing an Energinet release dated 2 March 2026. Projects in the queue would together consume about 60 GW, against a maximum national consumption of about 7 GW. The pause was described as lasting three months, or until Energinet had an overview of the consequences of current demand and new capacity measures were in place. Projects that already held agreements were not affected. Energinet's emergency package had three parts: faster investment decisions at the boundary between transmission and distribution grids, technical measures to free capacity in the short term, and stricter, more uniform prioritisation of customers in the queue. Energinet said large new consumers such as data centres, batteries and Power to X plants had arrived at a scale that was not foreseeable.

Finland. Fingrid said on 18 August 2026 that signed connection agreements cover a planned final capacity of nearly 5 GW of data centres, including projects on distribution networks. Electric boilers under construction or in operation exceed 3 GW, and storage agreements exceed 4 GW. Most of the transmission capacity added by current grid investment is already reserved in many areas, so region specific waiting times are expected, while northern Finland can connect new industrial investment faster.

On 9 September 2026 Fingrid published a study arguing that better placement of new facilities could raise overall connection capacity by up to 20 GW within its investment programme. It notes that over 70 percent of generation sits on the west coast and in northern Finland, while more than half of consumption is in the south. Siting new demand near generation avoids building more lines. Fingrid has an investment programme of 5.2 billion euro over ten years, and says the Ministry of Economic Affairs and Employment is preparing a project to prioritise grid connection requests. Fingrid's chief executive called that "a highly welcome reform".

Norway. Statnett's figures show growth that is real but smaller in absolute terms than Denmark's queue. Its 2025 annual report, approved on 5 March 2026, says investments rose about 40 percent to 10.6 billion kroner, the existing grid gained 1,000 MW of capacity in 2025, and 490 MW of new consumption was connected that year. It plans to upgrade the temperature rating of more than 100 power lines over 10 to 15 years, which it expects to raise their capacity by 20 to 30 percent. The half year report of 27 August 2026 says mature applications for grid connection reached about 3,500 MW in the first half of 2026, 2,000 MW more than a year earlier, and that stricter maturity requirements for queue places were introduced in 2026. It also reports more than 600 MW of new consumption connected over the past 12 months and up to 1,200 MW of capacity added so far in 2026, mainly from temperature uprating.

Sweden. Svenska kraftnät says demand for connection power is more than twice the current peak load hour even after its queue decreased in early 2025. It reads the shrinkage as a postponement of needs, partly due to stricter maturity checks and partly because some operators found market conditions unfavourable. It also reports sharply rising investment, about 20 billion Swedish kronor a year in 2027 and 2028 compared with about 9 billion in 2025, and says Stockholm has strongly growing demand. One table lists 23,755 MW applied for between 2020 and September 2025 under a category that mixes data centres with general growth and undefined consumption, so it cannot be read as data centres alone.

Ireland faced its own data centre connection squeeze earlier, and the Irish grid rules explainer covers how its regulator responded, and the European power and permitting overview puts the Nordics in a wider frame.

What is firm and what is uncertain

Firm: the Eurostat price figures for the second half of 2025, the operators' 23 June 2026 statement, Fingrid's August and September 2026 figures, Statnett's 2025 annual report and 2026 half year report, and Nscale's April 2026 announcement of the Microsoft expansion at Narvik.

Plans: the Narvik GPU numbers and 2027 date, the Korgen site, heat reuse intentions, and any connection agreements that depend on projects being built. Fingrid itself says the nearly 40 percent rise assumes every signed project is completed, and expects it to take at least five years.

Uncertain: whether OpenAI keeps any role in Norway, since Nscale's April release does not mention it and the reporting relies on secondary outlets. The Danish queue figure of about 60 GW comes from press coverage of Energinet's release, not from Energinet's own page as read here, and no sector breakdown was published with it. It is also open how fast queue reforms turn into real connection dates, whether flexible connection terms suit AI operators that want continuous power, and whether prices stay low as demand rises.

What to watch next

• Energinet's pause and prioritisation rules. Whether the Danish pause on new agreements has ended, and how data centres rank under any new priority order.
• Finland's prioritisation project. The Ministry of Economic Affairs and Employment work Fingrid mentions, and whether flexible connection agreements become permanent.
• Statnett's public queue. Updates to the published list of connection requests and the next quarterly figure for mature applications.
• Svenska kraftnät's capacity zone pilot. Where the zones are drawn will signal where new large loads can connect fastest.
• Narvik delivery. Whether the Rubin capacity for Microsoft comes online in 2027 as Nscale says.
• Eurostat's next release. Eurostat's electricity price article lists a planned update on 30 October 2026, which will show whether the Nordic price gap held into 2026.

Before you sign for Nordic capacity

For buyers, the useful questions are where capacity will physically sit, what its power milestones are, and whether its connection is firm or flexible, not just what the region's average price is. For regulated customers, also ask where data is stored and which laws apply, since a Nordic site may serve users elsewhere. Nscale said in July 2025 that surplus capacity at Narvik was expected to serve users in the UK, the Nordics and Northern Europe.

Wherever workloads run, the software on them still needs checking, and Safeguard's free SBOM and dependency scan is at https://gold.safeguard.sh/scan.

Quick check

Sources

• Nordic TSOs, Strong growth in grid connection requests challenges the power system, Statnett, 23 June 2026
• Statnett, Annual Report 2025, 5 March 2026
• Statnett, Half Year Report 2026, 27 August 2026
• Fingrid, Electricity consumption is set to increase sharply, 18 August 2026
• Fingrid, study on locating industrial facilities close to generation, 9 September 2026
• Svenska kraftnät, Network development plan 2026 to 2035
• Ingeniøren, Energinet puts all new connections on hold, 5 March 2026
• Eurostat, electricity price statistics
• Nscale, Stargate Norway press release, 31 July 2025
• Nscale, expanded deal with Microsoft in Norway, 14 April 2026
• AmCham Norway, Microsoft contracts 30,000 GPUs from Nscale at Norway data center, 17 April 2026
• High North News, Aker Nscale planning another AI data center in northern Norway, 22 October 2025
• Google Data Centers, Hamina, Finland
• The Next Web, OpenAI pauses Stargate UK, 9 April 2026
• GOV.UK, Lanarkshire named AI Growth Zone, 29 January 2026

Last reviewed: 19 October 2026.