SWE04 Sollefteå mega site Explore location Home atNorth data centers Sweden data centers Sollefteå mega site Sweden is a leader in data center sustainability 4 hectare Facility size 200 MW Site power capacity ≤ 1.2 PUE atNorth’s SWE04 data center in Sollefteå will be a next-generation mega site, purpose-built for high-density workloads and sustainable digital infrastructure at scale. The facility will leverage atNorth’s modular building block design for rapid scalability and efficient deployment, supporting both colocation and high-performance computing needs. Strategically located in northern Sweden, SWE04 will benefit from close collaboration with local authorities, strong community support, and direct access to resilient power infrastructure with 100% renewable energy. The site will be optimized for long-term growth, offering exceptional energy efficiency, heat recovery potential, and robust connectivity – making it an ideal choice for enterprises and cloud providers seeking sustainable, future-proof infrastructure. Latency (One way) SWE01 Frankfurt 9.2 ms London 9.5 ms Amsterdam 6.2 ms Paris 10.5 ms Dublin 9.6 ms New York 44 ms Mega site features We have designed some of the most reliable and technically advanced data centers in the Nordics, offering an unrivalled service across scalability, connectivity, sustainability, security, energy-efficiency and ISO compliance. Power Cooling Security Fire safety Power Cooling Security Fire safety Carbon free energy atNorth data centers run completed on power from renewable energy sources. By utilizing these resources, we can support businesses on their journey towards net zero emissions. Electrical N+1 power distribution Redundant power feeds at rack level UPS backed power supply Fuel storage To support minimum of 24 hours operations on generators Generator backup for all loads Energy efficient cooling SWE04 will support Direct Liquid Cooling technology, cooling the IT load more efficiently, aiding the heat reuse process, reducing overall power usage, and supporting a circular economy. Primary cooling provided by chilled water systems in combination with modern mechanical cooling systems, modular compressors with free cooling capabilities in N+1 redundancy White space cooling – N+2 CRAH units Direct Liquid Cooling ready whitespace Waste heat recovery to local district or municipal network Density High-density deployments. Depending on capture rate, can have up to 1 MW rack density. Supports 10 MW liquid cooled racks Uncompromising security Our rigorous approach guarantees that your data and assets are protected by digital and physical systems, maintaining the integrity and confidentiality essential to your business. 24/7/365 security presence Multilayer security systems, multilayer zoning, multilayer building Advanced monitoring and surveillance systems Man trap, intruder detection and two factor authentication access systems High-grade, 360° boundary fencing with secure access control Protecting your assets Our data centers employ advanced fire protection systems and implement comprehensive prevention, detection, and suppression strategies to mitigate potential fire hazards. Aspirating smoke detection system High grade very early smoke detection apparatus in conditioned modules Monitored automatic smoke detection throughout Why atNorth and the Nordics? See how we deliver smarter, greener solutions to our customers. Why atNorth Why the Nordics Experience Since 2009, we’ve been a pioneer in the Nordic data center industry, offering unmatched expertise and innovation Sustainable approach Our sustainability strategy drives efficient, high-performance solutions to help organizations reduce their carbon footprint Full stack offering atNorth is a data center provider offering a full stack solution with complete control and transparency Nordic leader atNorth is the leader in sustainable Nordic data centers, operating seven sites with several new sites under construction Diverse culture We take pride in being a multi-cultural team bringing together unique perspectives, ideas and expertise Customer centric atNorth’s solutions-driven approach ensures flexibility to meet our customers’ evolving business needs Sustainable energy The Nordics provide low-cost, renewable energy, powering atNorth data centers sustainably Natural cooling The Nordic climate enables natural cooling, cutting energy use, costs and carbon emissions Available land The Nordics offer abundant land near major cities, with options across all five countries for your next project Connectivity With 25+ high-speed sub-sea fiber routes, the Nordics connect your business to European and North American markets Heat reuse Excess heat from our data centers will power Nordic district heating, benefiting communities and lowering CO2 from our data centers Carbon neutral Two-thirds of Nordic electricity is renewable, with the region aiming for carbon neutrality by 2050 – or even 2035 Speed to market Nordic governments support data center growth. With local expertise, atNorth can build your bespoke center in twelve months Green power With low-cost, renewable energy, the Nordics help businesses reduce carbon footprints and achieve NetZero goals atNorth’s use of renewable energy, ability to recycle heat outputs and use of natural air cooling to maintain optimal facility temperatures has driven huge cost savings for us. Working with atNorth supports to our goal to build a more energy efficient and environmentally sustainable real estate future together. Mikael Lundma CEO, Proptivity View case studies Related insights Latest news, insights and resources. More insights About us Sweden 15 May 2025 News atNorth to host 6G AI Sweden’s cutting-edge AI cloud Build-to-suit Sweden 16 December 2024 News Land secured in Sweden for future mega site Sustainability Sweden 06 September 2023 Case studies CoolIT Systems — forward thinking design at work About us Sweden 31 May 2023 Blog Celebrating the atNorth Journey in Stockholm Frequently asked questions Does SWE04 have capacity to scale? The SWE04 mega campus is 4 hectares of land with a path to power of 200MW so there is apply opportunity to scale. Are the powers costs in Sweden high? Sweden also has one of the lowest energy prices in Europe, in addition to being run almost entirely on fossil-free energy, making it a very attractive location. Our locations Find your data center Reset Find by… Country 1 Denmark Finland Iceland Sweden Location Akureyri Copenhagen Helsinki Keflavik Myllykoski Reykjavik Solleftea Stockholm Varde Site type Mega Site Metro Site Filters Filters Sweden DEN01 Metro Site Copenhagen, Denmark DEN02 Mega Site Varde, Denmark FIN01 Metro Site Helsinki, Finland FIN02 Metro Site Helsinki, Finland FIN03 Metro Site Helsinki, Finland FIN04 Mega Site Myllykoski, Finland ICE01 Metro Site Reykjavik, Iceland ICE02 Mega Site Keflavik, Iceland ICE03 Mega Site Akureyri, Iceland SWE01 Metro Site Stockholm, Sweden SWE04 Mega Site Solleftea, Sweden General enquirySales enquiry General enquirySales enquiry Have a question? If your enquiry relates to anything other than Sales, please complete this form and our specialist data center experts will be in touch. Type of enquiryOperationalProcurementPeople & CultureDevelopmentFinanceFull name(Required)Email(Required) Company(Required)Your message(Required) By submitting this form, you consent to atNorth processing your personal data for the purpose of responding to your inquiry. Never share sensitive information (credit card numbers, social security numbers, passwords) through this form. This site is protected by Google reCAPTCHA. Please visit atNorths privacy policy for more information CAPTCHA Sales enquiry Looking to become a customer? Complete this form and our sales experts will be in touch.