The Waste Heat Explorer (WHE) is a web application to visualize the waste heat potential from industrial sources and sewage water and provide users, respectively companies the opportunity to add their own waste heat information!


The mitigation of Global Warming triggered by accelerated greenhouse gas (GHG) emissions requires changes in the energy supply towards renewables. Many thermal and mechanical processes generate waste heat.

Utilisation of waste heat or surplus heat is a basic principle of DH systems. The integration of waste from industrial processes has been identified as a major research area in the EU strategy on heating and cooling. Technical and non-technical barriers exist and hinder the wider use and integration of secondary heat sources such as heat from industrial production processes or heat from wastewater flows. If companies use this waste heat, they can often reduce their own energy consumption, save energy costs and increase their own competitiveness.


In order to improve the conditions for the use of energy from waste heat the University of Applied Sciences and Arts (HAWK), AIT Austrian Institute of Technology and BRE are involved in the project "MEMPHIS". Within the scope of this project, a methodology to evaluate and map the potential of waste heat from industry, service sector and sewage water by using internationally available open data will be conducted. Another key element is the waste heat explorer, in which waste heat sources that are also suitable for cross-company use are made visible.


Key results of the project:

  • provide results for DH system operators, municipalities and industrial companies: necessary information to quantify, qualify and financially unlock the heat potential of their so far wasted heat sources and to select the necessary technology for heat integration
  • knowledge advantage to local or regional stakeholders in an energy-politically important question as expertise in waste heat integration could lead to decentralised, low carbon, resilient forms of heating.
  • efficient planning of combined heat and power systems in urban master planning and development processes


In the project, three case studies - one in each project partner´s country - were selected:

  • Graz in Austria
  • Göttingen in Germany
  • Edinburgh in Scotland


The project is funded by International Energy Agency (IEA) District Heating and Cooling. General information about the IEA Programme District Heating and Cooling including CHP can be obtained from the website http://www.iea-dhc.org/home.html or from the Operating Agent (AGFW e.V. Dr. Andrej Jentsch).




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