SUSTAINIBILTY

Sustainability

At Contabo, we're committed to reducing the environmental impact of our server infrastructure. We provide responsible cloud services, with the environment as a central focus. Continuous data center optimization, energy efficient hardware, and green energy usage are all key aspects that limit the carbon footprint of your cloud.

Optimized Data Center Operations

Our Data Centers are designed around energy efficiency. Cooling is handled through direct free-air cooling systems that use outside air for temperature control for large parts of the year. This significantly cuts the energy needed for mechanical cooling. Our locations are equipped with solar panels, with all generated energy used on-site. Our European Data Center achieves an outstanding PUE and holds a ISO 50001 certification.

Energy Efficient Hardware

The relationship between energy efficiency and performance is something we look at very carefully when deciding on which hardware to use in our data centers. That's exactly why we prioritize CPU models with best-in-class performance-to-efficiency ratios as we continuously refresh our infrastructure.

Certified Green Power and Renewable Energy

As a Data Center operator, we know that however much we optimize, we will still consume energy. That's why all of our owned Data Center locations run on 100% certified renewable electricity. A part of this is even produced on-site through our own solar panels.

We're also working to increase the share of renewables at our colocation sites, which are operated by third parties. On top of that, our backup generators run on renewable diesel alternatives, cutting emissions where conventional fuel would otherwise be used.

Certified Green Power and Renewable Energy

Greenhouse Gas Emissions

In 2023 we worked hard on completing our first official greenhouse gas inventory. This is extremely important to us, since understanding our baseline is the first step in order to set up targets and work towards decarbonizing our business. We will continue to do this exercise annually to track our progress and increase understanding of our emissions trends.

Climate Neutral Data Center Pact (CNDCP)

We are a member of the Europe-wide voluntary self-regulatory initiative CNDCP for sustainable data center operations. Together with over 100 European data centre operators and trade associations, we have committed to the goals of the European Green Deal. This covers energy efficiency, the use of green energy, water conservation, and the circular use of IT equipment.

ISO 50001

Our largest data center has held ISO 50001 certification since early 2025 - an internationally recognized standard for energy management systems. It reflects our commitment to handling energy responsibly and improving continuously. In practice, this means systematically analyzing our energy flows, identifying savings potential, and taking targeted action to increase efficiency. The result benefits both the environment and our customers: lower emissions, lower operating costs.

Clean Energy

We are commited to continuing to procure 100% certified green energy from sources such as wind, hydro, and solar - and to keeping this figure consistent as we grow.

Energy Efficiency

We keep a close eye on Power Usage Effectiveness (PUE) across all our Data Centers. Having already achieved our target of 1.3, we are committed to maintaining this level of efficiency going forward.

Decarbonization

In 2025, our owned European Data Centers recorded a CUE ratio of 0.07 kgCO₂eq/kWh. We are committed to keeping this figure low and reducing our carbon emissions further.

Sustainability

How We're Building the Cloud of the Future

Optimized Data Center Operations

Energy Efficient Hardware

Certified Green Power and Renewable Energy

Sustainability Milestones

Sustainability Metrics