
We save energy
The USB has consumed less electricity - also thanks to the commitment of our employees. From September 2022 to February 2023, we saved almost three percent electricity compared to the same period last year. That's around 432,000 kWh and the amount of electricity consumed by around 3,700 laptops (40 watts, 8 hours/day running time) each year.
Not wasting energy remains important for the winter of 2023/24. This is why the federal government is continuing the "Don't waste" energy-saving campaign, as a secure and sustainable energy supply is of central importance for both the population and the economy in Switzerland.
The USB is committed to the initiative and is proud that employees from a wide range of departments are taking part.

"It has become a challenge to see how we can consume even less electricity. According to measurements, some of these appliances that were not completely switched off were consuming a lot of electricity at night for nothing. After briefly thinking about how to deal with this problem, we switch off the main switches in the kitchen in the evening. The kitchen lighting is also only on until 8.30 pm instead of 11 pm. This works perfectly and is well received.You just have to keep at it and make progress step by step. If everyone does a little something, we get a bigger result."
"It is interesting to note that around a third of the total energy is consumed in ultra-low temperature freezers, particularly in the last 10 degrees between -70 and -80°C. The last small part of the cooling process therefore requires enormous amounts of energy. That's why the operating technology department switched the temperature of the freezers to -75°C years ago without having to do anything."


"We have already taken an important step towards reducing CO2 emissions in our anesthesia department in 2022. We no longer use the anaesthetic gas desflurane. Since this year, we have also been saving energy: by unplugging the anaesthetic gas transport system for volatile anaesthetics, we can save up to 240,000 kWh of electricity per year according to reference values. That's as much as 46 four-person households (5,200 kWh per house) consume in electricity each year."
Since 2011, sustainability in radiology has no longer been an abstract concept for our experts, but a measurable goal in kilowatt hours (kWh).
