Saratz Clean Energy

For the sake of the environment and nature

The interior of planet earth holds enough energy to ensure the supply on its surface – and that in clean and environmentally friendly fashion. Reason enough for Hotel Saratz to build its own geothermal energy production facility.

 

Brief explanation of the facility:

  • A borehole with a depth of 1500 metres, the first in Switzerland, was sunk in the hotel garden for the production of renewable energy.
  • Water circulating at this depth is warmed to 43°C quite naturally by the heat of the earth.
  • This warm water is introduced into the circulation system by means of a heat pump. During this process, we extract the available heat and then pump the water, now cooled to 8°C, back into the circulation system.
  • Hotel Saratz uses the energy gained to heat the hotel’s indoor pool and wellness zone as well as part of the hotel complex. Oil-fired heating is also available to cover times of peak load.
  • The result: by this means, Hotel Saratz saves about 125,000 litres of heating oil per year, equivalent to a CO2 emission of 370 tonnes per year. Around 90% of the heating requirement can be met using geothermal energy.

The Pontresina hotel is thus making a contribution to maintaining the quality of air and life in the Engadin for future generations. The valley has an affinity with, and a long tradition in, the energy sector: it is at one and the same time the “dry chamber” (322 annual days of sun) and one of the water-wealthiest valleys in the Alps. In neighbouring St. Moritz, Switzerland’s first electric light burned (1878), the first electric tram was put into operation (1896) and the first electrically driven railway in the Alps went into service (Bernina, 1910). And with its overall energy project “Clean Energy Engadin/St. Moritz”, the region is again assuming a pioneering role.

Find more on the Hotel Saratz heating system using geothermal energy in this
Initiates file downloadbrochure (PDF 385KB).

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