In the course of running our daily operations, our university uses energy. Although allowing our primary processes - education & research - to continue unhindered at all times is paramount, we work hard to minimize the impact of our energy use on our environment and climate. We do so through the Trias Energetica: firstly, we focus on minimising our energy demand; secondly we use sustainable energy where possible, and thirdly, when that's not possible (yet) we use fossil fuels as cleanly and efficiently as possible.
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The Trias Energetica is the starting point for all energy consumption at the UT, which involves limiting the demand for energy, using sustainably generated energy and looking at energy consumption throughout the chain (suppliers of the UT).
The graph below shows the campus’s energy consumption from 2005 to 2020. The consumption of electricity, natural gas and district heating has been translated into Gigawatt hours (GWh). The long-term agreements with the government to cut energy consumption by 30% over the course of 15 years are represented by the grey line, which reflects an average annual improvement in energy efficiency of 2%. We achieved the target consumption levels that were set for 2020 as early as 2014. Since then, energy use at the UT has continued to decline.
Until now, energy saving measures have focused mainly on making the buildings more energy efficient. Users, however, can also influence energy consumption. To continue the downward trend in energy use, the next step includes involving employees and students on the campus, so that people will become more conscious of how they use lighting, heating and cooling systems, as well as all other devices.
The Technohal, where the TechMed Centre is housed, features 624 solar panels on the roof. An additional 120 solar panels are located on the roof of the Oosthorst. In 2020, these panels produced nearly 230.000 kWh. The roof of the new ITC building that is currently being constructed on campus will feature around 1000 solar panels.
The outdoor swimming pool of the UT is heated by 40 solar collectors. The Sports Centre boasts two solar water heaters with a combined output of 52 GJ per annum. Gas-fired supplementary heating - amounting to 1280 m3/year, which is comparable to the annual energy consumption of a single household - is used to meet the entire heating demand.