A Spatial Analytic Method for the Preliminary Design of a District Energy Network Utilizing Waste Heat in Mixed-Use Jurisdictions
A city’s characteristics of mixed-use zoning, diverse built form, high-density development, and residual heat generation by urban processes, present potential for optimizing the thermal energy end-use of certain waste streams. A method was developed to identify sources of waste thermal energy and heat demand clusters in a mixed-use jurisdiction and design a preliminary primary network of a district heating system based on these waste heat sources. The method applies systems analysis, energy potential mapping (GIS spatial analysis) and network optimization (linear programming) techniques. The method is implemented using a case study of data for peninsular Halifax. Finally, the method and implementation’s influence on climate change (i.e. a reduction in GHG emissions) and energy security, two central themes of this research, are discussed.