Nscale Harjavalta Campus Data Center 100MW Finland

Status: Approved / Site Acquisition & Pre-Construction Phase   |   Location: Hiittenkiukaantie and Valtaväylä (Highway 2), Sievari Industrial Area, Harjavalta 29200, Finland

Project Overview

The Nscale Harjavalta Campus is a planned 100 MW high-density artificial intelligence infrastructure development covering 70 hectares in the Sievari Industrial Area of Harjavalta, Finland. Located along Highway 2 (Valtaväylä) and Hiittenkiukaantie, the project is promoted by British AI cloud provider Nscale Ltd. in strategic partnership with Finnish clean energy company Fortum. Designed to accommodate demanding AI computing workloads, the campus is intended to support GPU-accelerated model training, fine-tuning, and large-scale inference. Its planned capacity and extensive development footprint position the project as a significant addition to Finland’s growing digital infrastructure landscape.

The campus is focused on the computing requirements of advanced AI systems, which rely on high-performance processors, substantial data throughput, and infrastructure capable of sustaining intensive workloads. Model training and fine-tuning require computing resources to process large datasets and optimize AI models, while inference infrastructure supports the deployment of trained models for real-world applications. By targeting these workloads, the Harjavalta development reflects the increasing need for specialized data center environments capable of supporting AI cloud services and enterprise computing at scale. Its planned 100 MW capacity represents a substantial power requirement, making energy supply and infrastructure planning important considerations for the project.

The partnership between Nscale and Fortum brings together an AI infrastructure provider and a major Finnish energy company, highlighting the close relationship between power resources and large-scale computing development. Harjavalta’s industrial setting provides the site for the proposed 70-hectare campus, while its location along established road infrastructure offers regional accessibility. Specific details concerning the campus’s power delivery arrangements, renewable electricity sourcing, cooling systems, construction phases, and commissioning schedule have not been provided in the supplied information. As development progresses, these factors will help determine its eventual operating profile. Nevertheless, the Nscale Harjavalta Campus represents a substantial planned investment in Finland’s AI infrastructure capacity, designed to support the expanding computational demands of model development and large-scale AI deployment.

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