Kolo SE1 Atlas Stockholm
While most data centers discard excess heat as waste, Kolo SE1 Atlas transforms it into a valuable resource, powering Stockholm’s district heating network and warming thousands of homes.
Located just 10 km from its twin site, SE2 Tellus, in southern Stockholm, SE1 Atlas offers built-in geographic redundancy for enhanced reliability. This enterprise-grade facility is designed for high-density infrastructure, featuring a robust 2N power architecture to handle your most demanding workloads with ease.
Kolo SE1 Atlas not only delivers exceptional performance and reliability but also contributes to a sustainable future by turning operational efficiency into measurable community impact.
Combined power capacity across Kolo Stockholm facilities.
Interconnected metro sites Kolo SE1 and SE2 in Stockholm.
Renewable energy.
Full power systems redundancy.
Location
Located in Stockholm’s established industrial district with direct E4/E20 highway access. 40 minutes from Stockholm Arlanda Airport. Close to Kungens Kurva—northern Europe’s largest retail hub. Visitor parking is available on-site.
Why Stockholm?
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Economic Centre of the Nordics
- #1 Highest GDP of all Nordic Capitals
- The greatest number of Forbes 2000 Companies in the Nordics
World-Leading Digital Environment
- Sweden ranks 1st among EU countries in the 2025 European Innovation Scoreboard.
- 71 % of Swedish companies use intermediate or advanced cloud services, leading the EU
Hotspot for Unicorn Start-ups
- Stockholm is ranked #2 globally for unicorns per capita, second only to Silicon Valley.
- Sweden placed 15th globally in total unicorn count as of July 2025
Leader in Global Connectivity
- ~99% national 5G coverage achieved by end‑2024
- 85% FTTP (full fibre) household coverage, ahead of EU average
World leader in Sustainability
- Sweden sits at #2 globally on the SDG Index and leads in renewable energy use
- Thanks to renewables and nuclear power, Sweden meets 98% of its electricity needs with low-carbon sources.
Reliable, Low-Cost Power
- One of Europe’s most reliable power grids, supporting mission-critical uptime.
- Low-cost renewable electricity
World-Class Legal System
- Sweden ranks 4th out of 142 countries in the 2024 World Justice Project Rule of Law Index.
- Among the top 5 countries worldwide for judicial independence and unbiased legal systems.
Leader in High-Tech
- 57 % of the Swedish workforce works in knowledge‑intensive services (EU: ~38 %)
- The top three among EU countries for the share of engineers & scientists.
Built for performance, powered by nature
Performance starts with clean power.
Sweden’s 98% clean electricity and 70% renewable energy sources power your operations within one of the world’s most sustainable grids. At our Stockholm facilities, your servers do double duty—advanced heat recovery systems capture excess heat and channel it into the city’s district heating networks, warming local homes while your business runs efficiently.
Across both Stockholm and Piteå, cold Nordic climate conditions provide natural cooling year-round, slashing energy costs and turning geography into your advantage.
With Sweden legally bound to net zero by 2045, your operations stay ahead of Europe’s evolving energy landscape with fewer compliance concerns and more predictable costs.
”Working with Kolo has had a major impact on our resilience, stability and security. If you don’t hear about IT, it’s running smoothly – and that’s exactly what we have with Kolo.”
Michael Ebenhardt Kristensen, IT manager, Europcar Denmark
Beyond basic support: the Kolo approach
Our technical team becomes an extension of yours, providing the expertise and responsiveness you expect for critical infrastructure.
Dedicated support
Direct access to senior engineers
24/7 Coverage
On-site support during business hours, with 24/7 on-call availability
Flexible contracting
Scale from a single cabinet to private suites with custom terms
Implementation expertise
On-site migration and setup support
SE1 technical specifications
Infrastructure that gives back to the community. SE1 provides N+N power redundancy, high-density capabilities, while transforming excess heat into district heating for Stockholm residents.
- Renewable Supply: 100% certified Swedish renewable energy backed by Guarantees of Origin
- Redundancy: True N+N power distribution with independent A+B power paths to each cabinet
- Backup Systems: N+N across all power backup systems—Tier 3 equivalent
- Design: Hot/cold aisle containment with N+1 redundant cooling units supporting high-density deployments of 30+ kW per cabinet. Higher densities offered on request.
- Efficiency: Free cooling operationally approximately 40% annually, utilizing Sweden’s climate
- Environmental: Closed-loop cooling systems using low-GWP refrigerants, providing excess heat to the district heating network
- Physical Security: SSF Protection Class 3 facility with 24/7/365 security guard presence. Multi-factor authentication access control with double interlocked door systems at all entry points
- Security Customization: Adaptable security controls with client-specified enhancements available upon request, including EMP protection
- Fire Protection: VESDA early warning system with zoned Inergen and Novec gas suppression
- Racks up to 50 kW with efficient cooling
- Ideal for AI, HPC, and hybrid deployments
- Technical Assistance: 24/7 Remote Hands service
- Workspace Options: Secure staging areas, unpacking zones, and dedicated customer work areas
- Facility Amenities: Parking, restrooms, and meeting rooms
- Waste heat recovery systems feed energy into the city’s district heating grid
- On-site solar panels contribute to renewable energy generation
- Sweden’s low-cost, green electricity makes operations both clean and cost-effective
- 100 % customer satisfaction score
- Direct access to engineers—no ticketing layers
Ready to experience SE1?
Let’s assess your infrastructure needs and explore how Kolo SE1 aligns with your technical and business requirements.
Exploring other Swedish facilities?
Find the right fit for your footprint.
Kolo DC Atlas Stockholm
Kolo DC Tellus Stockholm