HOT|COOL NO. 1/2018 "Global District Energy Climate Awards"


A very drastic change of direction in the European and global heating sector is needed within the near future if a cost-effective transition towards renewable energy is wanted. Calculations indicate that currently, the amount of heat wasted in Europe is enough to supply the heat demand of all buildings.


Connolly, David; Mathiesen, Brian Vad; Østergaard, Poul Alberg; Møller, Bernd; Nielsen, Steffen; Lund, Henrik; Persson, Urban; Werner, Sven; Grözinger, Jan; Boermans, Thomas;

Bosquet, Michelle; Trier, Daniel (2013). Heat Roadmap Europe 2: Second Pre-Study for the EU27. Department of Development and Planning, Aalborg University. - Mathiesen, Brian Vad; Drysdale, David William; Lund, Henrik; Paardekooper, Susana; Ridjan, Iva; Connolly, David; Thellufsen, Jakob Zinck; Jensen, Jens Stissing (2016). Future Green Buildings: A Key to Cost-Effective Sustainable Energy Systems. Department of Development and Planning, Aalborg University. - Publications available at, ,

Heat Roadmap Europe is a series of four studies initiated by the 4DH Research Centre in collaboration with industrial partners ( The studies combined energy system analyses with geographical information systems (GIS) and provide strategies and methods that can be replicated globally. The studies reveal large cost-reductions providing heat with an ambitious refurbishment of existing houses and district heating, as well as a potential for increasing the amount of renewable energy in the heating sector. A pan- European Thermal Atlas (Peta4) is publicly available and being developed down to a 100 by 100-meter resolution. The studies suggest that 30-50% heat savings are feasible and that the share of district heating should increase, on average, to 30 % by 2030 and to 50% by 2050 in urban areas. These estimates for district heating in Europe may prove conservative as we get more and more localized knowledge. In rural areas, high levels of refurbishment are needed in combination with individual heating technologies, such as heat pumps.

For further information please contact:

Aalborg University Att.: Brian Vad Mathiesen Department of Development and Planning A.C. Meyers Vænge 15 DK-2450 Copenhagen SV

Phone: +45 9940 7218

Proven Technology! Renewable Energy vs. District Heating


Austria Bulgaria Cyprus Denmark

Belgium Croatia


Czech Republic

Estonia France Greece Ireland



Germany Hungary






Luxembourg Netherlands


Malta Poland



Romania Slovenia Sweden

Slovak Republic







United Kingdom

District Heating Share (%)

J O U R N A L N 0 . 1 / 2 0 1 8

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