Nscale – Data centre project

Nscale – Data centre project

Large and complex projects such as power plants, industrial developments and road, rail or tunnelling construction require a rare breed of legal expertise.

By choosing us, you will get a team of lawyers who are specialised in demanding international and domestic engineering and construction endeavours. Your project will benefit from our in-depth knowledge of the commonly used standard forms of contract, such as all FIDIC suites and the Finnish YSE 1998 general terms. We will also provide you the most up-to-date knowledge of established best practices and new trends in the industry.

We can support you throughout the construction process, from the procurement or tender phase through contract negotiations and the drafting of legal documentation and warranty and defect liability matters. We will help you find the most suitable form of contract for your project, and make an overall assessment of the liabilities relating to your project in order to ensure that all your key risk elements are always accounted for.

If your project runs into challenges, we will identify your risks, manage delay and disruption claims, and solve potential disputes through litigation, arbitration or alternative dispute resolution tools such as mediation. 

Latest references

Castrén & Snellman advised Nscale, a European AI infrastructure company, in connection with its planned data centre project in Harjavalta, Finland. The facility will be located in the Sievari industrial area. Castrén & Snellman’s advisory role encompassed the negotiation and execution of a site securing and development agreement (SSDA) with Fortum, as well as the preliminary land sale process for the Sievari site with the Town of Harjavalta. Under the SSDA, Fortum supports the advancement of Nscale’s project development, including grid connection design and permitting.
Case published 15.4.2026
We advised UK-based investment company Downing in its acquisition of the entire share capital of Tornionlaakson Voima Oy. Tornionlaakson Voima owns three hydropower plants in the Tengeliönjoki river system – the Portimokoski power plants in Ylitornio, the Jolmankoski power plants in Raanujärvi and the Kaaranneskoski power plants in Sirkkakoski. The power plants produce a total of approx. 45 gigawatt-hours of electricity per year. Tornionlaakson Voima’s daily operations will continue normally, and the transaction will not affect customers. The consummation of the transaction is subject to the approval of the Ministry of Economic Affairs and Employment. Downing has over 35 years’ experience in providing a wide range of investment solutions to the needs of institutional investors, advisers and retail investors. The company manages over £2 billion in assets in both the private and public markets and its current hydro power portfolio includes approx. 50 hydro power plants in the Nordics. 
Case published 27.3.2026
We advised Fingrid Oyj on the Finnish law aspects in the update of a EUR 3 billion Euro Medium Term Note programme (EMTN). Notes issued under the programme may be listed on the Irish Stock Exchange. Fingrid operates Finland’s main electricity transmission grid and all significant cross-border transmission connections. The main grid is the backbone of the electricity transmission network, to which major power plants, industrial plants and regional electricity distribution networks are connected.
Case published 17.3.2026
Castrén & Snellman successfully assisted Terrafame Ltd in environmental and water management permit processes concerning the company’s entire operations and the KL1 side rock area, on which the Supreme Administrative Court issued its decision on 12 February 2026 (KHO 366/2026 and 367/2026). The changes made to the decisions of the Vaasa Administrative Court as a result of Terrafame’s appeals, enable the company to implement its new strategy and develop its operations as planned. The decisions of the Supreme Administrative Court brought the nearly ten-year-long permit process to a close.
Case published 20.2.2026