Next year, Danfoss headquarters in Nordborg, Denmark, will be CO2 neutral. And, in 2024, by utilizing excess heat, Danfoss’ own data centers will provide 25 % of the headquarters’ heating need.
In response to the exponential growth of data-center energy consumption, Danfoss decided to build data centers that will be an example for future climate-friendly designs. Danfoss has the technologies to cool data centers in a greener way, to reduce energy consumption within them, and to reuse the excess heat for other applications.
”Using the latest technologies for cooling and heat recovery, we transform data centers from energy consumers to sources of sustainable energy. It is exciting to see that in action at our own data centers,” said Jürgen Fischer, president, Danfoss Climate Solutions.
Data centers as power plants
An example of this concept is Danfoss headquarters in Nordborg, Denmark. In 2015, it was heated 100 percent by fossil fuel. In 2022, it will be CO2 neutral. And, in 2024, reused excess heat from Danfoss data centers will provide 25 % of the overall heat supply for the 250,000 square meter (2.69 million square feet) of factories and offices.
Location plays a key factor to optimally utilize excess heat. The data center will be near the location of data use and where the local area can benefit from the excess heat. This provides the opportunity to use oil-free heat-pump systems to transform the data center into a heat source. The excess heat from the data center can then be distributed to a local neighborhood, helping to reduce the data-center energy costs, and lowering greenhouse gas emissions.
“The data centers of the future will be hybrid data centers where we combine the best of two worlds: the cloud and the on-site data center. And we utilize the excess heat in the energy grids close to where it is produced,” said Danfoss CIO Sune T. Baastrup.
Danfoss is on a digital transformation journey, consolidating 20 global data centers and 135 server rooms into a handful of data centers, which will all be built utilizing Danfoss green technologies.
“We put words into action. We have managed to build our own climate-friendly data centers, effectively in less than half a year. We want to show that digital transformation and green transition go hand in hand,” said Baastrup.
Data centers are consuming vast amounts of energy. Energy to supply servers with power, but also to cool down server rooms and remove the huge amounts of heat they generate. It is estimated that 10 % of all electricity is used within the IT ecosystem. This makes reducing the climate impact of digitalization a high priority.
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