Arcem Joroinen Data Center Campus: Powered Land Development Finland Specs

Status: Planned / Site Origination & Permitting Phase | Location: Vättiläntie 1227, Huutokoski Industrial Area, 79620 Joroinen, Finland

Project Overview

The Arcem Joroinen Data Center Campus is a strategic digital infrastructure development located in the Huutokoski industrial area of Joroinen, Finland, designed to support the expanding requirements of hyperscale computing, high-performance computing, artificial intelligence, and enterprise colocation. Spearheaded by Nordic developer Arcem, Inc., the greenfield project covers approximately 18.5 hectares, providing sufficient land for the phased development of large-scale data center infrastructure and supporting utility systems. A key advantage of the campus is its proximity to Fingrid’s high-voltage electricity network and the Järvilinja transmission line upgrade, providing access to scalable power infrastructure suited to the substantial electricity requirements of modern computing facilities. Finland’s electricity system also offers favorable conditions for operators seeking lower-carbon energy sources, strengthening the campus’s potential sustainability profile. The northern climate provides another operational advantage, as naturally cool outdoor temperatures can support efficient air-cooling strategies and reduce the energy required for mechanical cooling during much of the year. This cold-climate environment is particularly relevant for high-density computing facilities, where thermal management represents an increasingly important component of overall data center efficiency. The campus also offers potential opportunities for waste-heat recovery and integration with nearby district energy systems, allowing excess thermal energy generated by data center operations to be redirected for beneficial local use. Such integration could improve overall energy utilization while supporting local heating requirements. With its substantial development footprint, access to high-voltage grid infrastructure, favorable climate, renewable-energy potential, and opportunities for heat reuse, the Arcem Joroinen Data Center Campus is positioned as a promising location for next-generation digital infrastructure in Finland. Its combination of power availability, scalable land, efficient cooling conditions, and energy-reuse potential makes it suitable for future hyperscale, AI, HPC, and enterprise deployments.

Quick Facts

Field	Value
Project Name	Arcem Joroinen Data Center Campus: Powered Land Development Finland Specs
Location	Vättiläntie 1227, Huutokoski Industrial Area, 79620 Joroinen, Finland
Status	Planned / Site Origination & Permitting Phase
Commissioning	Phased Rollout Target (Subject to anchor tenant & buildout timelines)
Total IT Load	~20.0 MW – 50.0 MW Planned Initial Critical IT Capacity
Total Capacity	18.5 Hectares (~185,000 m²) total land area plot
Tier Level	Tier III Equivalent Concurrently Maintainable Standards
Project Type	Purpose-Built Hyperscale, HPC & Wholesale Powered Land Development

City Profile

Header	Details
City Name	Joroinen
Population	~4,552 (2024 municipal population)
Urban Agglomeration	~1,800 in the Joroinen settlement; the municipality is predominantly rural rather than part of a major urban agglomeration.
City GDP	Not separately reported at city level
Per Capita Income	Not reliably available as a current city-level figure
City Tier	Tier 4 – Small Regional & Rural Municipality
Key Strengths	Strategic location in North Savo; available land for large-scale infrastructure; access to regional power infrastructure; road connectivity; proximity to Varkaus; renewable-energy potential; and an emerging data center ecosystem. In 2026, Arcem acquired an approximately 800,000 m² site in Joroinen for a data center campus with potential capacity of 500 MW, with an initial 60 MW phase targeted for 2027.

Companies Involved

Header	Details
Developer / Operator	Colt Data Centre Services
Strategic Infrastructure Partner	Municipality of Joroinen, Fingrid (Finnish Transmission System Operator), Bonum, Local Utility Operators
Construction Contractor	Regional Mission-Critical EPCs & Specialized Nordic Engineering Contractors
MEP Engineering	Mission-Critical Nordic Thermal & Electrical Infrastructure Specialists
Network Connectivity	Carrier-neutral facility with path-diverse dark fiber entrance vaults, dedicated Meet-Me-Rooms (MMRs), and high-speed terrestrial fiber routes linking Joroinen to Kuopio, Helsinki, and Scandinavian backbones.
Power Infrastructure	Direct access to Fingrid’s high-voltage regional transmission grid (Järvilinja line), static N+1 / 2N uninterruptible power supply (UPS) system architecture, automatic transfer switchgear (ATS), and N+1 emergency backup generators.

Technical Specifications

Header	Details
Power Capacity	~30+ MVA Initial Substation Grid Access (Scalable to match site footprint)
UPS Redundancy	Concurrently Maintainable N+1 / 2N Static UPS Architecture
Cooling System	Direct air-side free cooling taking advantage of Northern Europe's climate, closed-loop dry coolers, direct-to-chip liquid cooling (DLC) readiness, and technical capability for local district heating reuse.
Connectivity	Sub-millisecond optical fiber interconnects connecting Joroinen to major Finnish cloud hubs, Baltic subsea cables, and Nordic network rings.
PUE Target	< 1.20 Annualized Operational Design PUE
Energy Mix	100% Certified Renewable Energy (Sourced from Finnish wind, hydro, and local zero-carbon power agreements).

Milestones

Header	Details
Announcement	Planned / Site Option Secured
Construction Start	Subject to Tenant Commitment & Final Permitting
Phase 1 Go-Live	Target Phased Development
Full Buildout	Multi-Phase Master-Planned Campus Development

Investment Details

Header	Details
Total Investment	~$30,000,000 – $60,000,000 USD (Estimated Land & Initial Site Preparation Capex)
Funding	Private Capital / Infrastructure Investment (Arcem, Inc. & Project Partners)