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Sustainability

sustainable data centers

Our contribution to sustainability in the digital world

Efficiency determines our actions. We focus on sustainably using resources, especially when it comes to energy. Every watt saved in the operation of our data centers makes a difference: over the years, we can save thousands of kilowatt hours of electricity. And we work every day to become even more efficient.

We make decisions with energy efficiency and sustainability in mind - because what counts for us is not short-term profit, but the long-term, ecological impact of our actions.

Our servers use renewable electricity

As a data center operator, we have high energy needs. It is important to us to meet these needs exclusively with renewable energy. Our data centers in Germany have been using electricity from sustainable sources since 2008. The Datacenter Park in Finland has been powered by electricity from renewable energy sources since its construction in 2018.
100% green electricity

How we save resources

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Long product life cycle

Our server auction allows us to extend the lifecycle of our hardware.
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Modular design

We build our data centers on demand and with the latest optimizations.
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Customized hardware

We remove unnecessary components and optimize air flow for efficient cooling.
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Waste heat utilization

We heat our offices and production rooms in our data centers with waste heat.
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Efficiency monitoring system

We analyze energy consumption in real time to optimize efficiency.
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Efficient air cooling

Natural air cools our data centers for up to 98% of the year.

OUR INNOVATIVE SERVERS

We are driven by efficiency. That's why we develop our own servers, which significantly reduce power consumption during operation thanks to customized technology. They form the basis for sustainable IT infrastructures without compromising on performance.

Server Highlight

Function meets sustainability

We rely on energy-efficient hardware – such as the energy-saving Arm64 CPUs from Ampere® in our RX servers.
We develop our servers in-house so we can optimize them for our applications and only include components that we actually need. We optimize airflow for efficient cooling.

The lifecycle of a Hetzner server

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The life cycle of our servers starts with the development of our own models and assembly in our hardware department. If older server models are terminated after their use in the data center, they usually end up in our Server Auction - tested, ready for use and affordable.

If the test reveals defects in the servers, they are repaired. If this is not possible, individual pieces of hardware are reused or recycled. In this way, we extend the service life of our servers to an average of eight years and save resources.

the Hetzner data center - efficiency is the foundation

We developed our data centers in-house so we could focus especially on energy efficient operation. We have optimized them to cool our hardware using outside air. The raised floor, cold aisle containment, and monopitch roof directs the air automatically and efficiently through channels in the data center.
Datacenter Highlight
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Power Usage Effectiveness

PUE measures the energy efficiency of data centers. The closer the value is to 1.0, the higher the efficiency. The PUE of our data centers is between 1.10 and 1.16.
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Water Usage Effectiveness

WUE measures water consumption in a data center. We use only air to cool our servers, so our WUE is 0 L/kWh.

Our servers save so much energy

Efficiency is what drives us

Whether in the development of our data centers or our own servers – we always want to surpass ourselves and become even more energy efficient. That's why we question standard solutions and continue to optimize our products and data center parks.
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Conscience

choose hetzner with a clear conscience:

We are pushing the envelope for making the Internet more energy efficient. Our systems, processes and hardware are extremely efficient. This not only conserves resources, but also enables us to offer particularly cost-effective products. Transparency is important to us, which is why we disclose the power consumption values of our servers, for example.
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Frequently asked questions

  • Is Hetzner certified according to an energy or environmental management system?

    Yes, our German locations gained EMAS certification. EMAS, which stands for “Eco-Management and Audit Scheme”, is a voluntary EU standard for environmental management. EMAS provides a framework for checking on the environmental practices of companies, including their management systems, transparent communications, and performance metrics. One goal of EMAS is for participating companies to continuously asses and improve their efforts.

  • Is Hetzner climate neutral?

    Hetzner is not yet climate-neutral. To achieve climate neutrality, the first step is to conduct a greenhouse gas inventory to identify all emissions attributed to the company (Scope 1–Scope 3). Measures to reduce emissions can then be implemented.

    Even though the greenhouse gas inventory—or a more comprehensive life cycle analysis—has not yet been completed, we are doing a great deal to minimize our carbon footprint. You can find more information about our current measures to reduce our carbon footprint in our Environmental Statement.

  • How much electricity does my server consume?

    On our website, you can view the power consumption of our various servers in watts in the respective product matrix under "Power consumption".

  • The PUE value of each of our data centers is measured and analyzed. Our PUE values vary depending on location, building occupancy, and operating conditions. The PUE figures we provide in our external communications refer to the annual average value across our data center locations.

Download our certificates