Sustainable cities’ energy demand and supply for heating and cooling
District heating and cooling in combination with energy efficiency measures in buildings can reduce the carbon dioxide emissions by up to 77 per cent by 2020 for the heating and cooling market in several European cities.
The Swedish model for heating the cities leads to roughly 60 per cent lower use of energy resources and carbon dioxide emissions in the heating sector compared to an average city in the European Union.
District heating in combination with energy efficiency means a large reduction of carbon dioxide emissions. For the entire heating sector, the reductions can make a total of between 40 and 77 per cent. For district cooling in combination with energy efficiency, the reductions for the entire cooling sector are between 38 and 71 per cent. District heating accounts for approximately one third of the reduction of emissions.
The results also show that both the energy supply systems as well as the buildings need to be more efficient in order to achieve a more sustainable city in the future. It is not enough with just energy efficient buildings or just an efficient supply system.
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