Efficiency

The DeepGreen data center dissipates its waste heat in an environmentally sustainable manner with cold water from the nearby lake, the Walensee, a natural and renewable source of cooling energy. Independent expert reports have confirmed that the system has no negative impact on the lake.

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Cold water at a year-round constant temperature of 6°C from the depths of this big lake is linked via a heat exchanger to our internal air-conditioning circuit.
It is no longer necessary to use expensive, energy-intensive, mechanical cooling equipment. All what is now needed are the circulating pumps to transport water over the heat exchangers. Cooling accounts for 30-40% of a typical data center’s energy needs. Thanks to the use of lake water, we are able to reduce our cooling-related energy consumption to only 3.8%. This innovative procedure also allows us to pass considerable cost savings on to our customers.

The DeepGreen data center maintains a strict separation between cold supply air and warm extracted air at its server facilities. This allows us to prevent an improper flow of air, as it is the case, for instance, when servers are allowed to draw in their warm exhaust air.

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This measure increases efficiency by means of having a greater temperature difference at the server, heat sinks and grilles of the air conditioning systems.
Keeping the cold air supply at a constant 20°C allows to operate the server fans at a lower speed and save more energy. Keeping the temperature and air humidity constant that supports the energy saving effect and guards against material fatigue, corrosion and electrostatic effects. In addition, the filtered return air removes dust particles and prevents the soiling of servers and heat sinks.

The DeepGreen data center continually invests in top quality installations and components of the latest generation. The air conditioning systems and heating pumps continuously adjust to the current cooling needs, thereby doing away with any unnecessary idling and saving energy.

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The transformers used for the power supply are reduced loss, optimized at the point of operation and made of high purity copper and iron cores. This means that the degree of efficiency is definitely over 99%. The uninterruptible power supply systems are built using the latest IGBT high-performance semiconductors and achieve an efficiency level of 95%. Furthermore, short cable distances and large cross-sections reduce transmission losses in the internal power distribution to the server.