HECTOR School of Engineering and management


Andreas Koch, Dipl.-Ing., M.Sc., studied Architecture at the Technical University in Berlin and City Design and Social Science at the London School of Economics and holds a Master degree in Energy Management. As chartered Architect and registered Energy Consultant (BAfA/dena) he has worked in the field of energy efficient construction for Minergie buildings and Passive Houses in Switzerland and Germany. In 2007 he joined the European Institute for Energy Research working on energy efficiency in buildings and urban neighborhoods. Mr. Koch led a number of public as well as industry funded projects. Since 2012 he is leading the research group “Energy Planning and Geosimulation” at EIFER conducting research in the field of spatial simulation of local energy systems and GIS based data analysis. For the German Sustainable Building Council (DGNB) he is leading the working group “Energy” in the development process of the district assessment scheme and is a certified auditor for the German label for sustainable districts. Mr. Koch is a member of the editorial board of the International Journal of Future Cities and Environment and regularly contributes to teaching programs, e.g., in the KIC InnoEnergy Master Program “Energy Technologies” – ENTECH, in the HECTOR School of Engineering and management, Engineering Module, both at KIT, DGNB training for new DGNB neighborhood auditors, as well as the Mastère Spécialisé Immobilier Bâtiment Énergie at the École des Ponts ParisTech.

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Model-based analysis of urban energy systems (on the basis of a city’s energy Master Plan)
Volume: 17, Issue 2
As half of the world’s population live in cities today, the topic of urbanization and urban energy systems shift continuously into society’s focus. It has become a common challenge for local governments to provide a so called “Master Plan”, outlining a long term vision for the city’s energy infrastructure, to which all planners and investors have to adhere. Being a top-down approach, these Master plans are first of all politically motivated documents, which focus on achieving given targets, such as CO2-emission reductions or higher shares of electric mobility. Originating from these targets, a set of milestones and measures is derived, e.g., the implementation of certain green technologies or refurbishments of buildings. The goal of this paper is to elaborate a model, which allows analysis of a Master Plan from a bottom-up perspective and thereby quantitatively assesses the plan with regards to its feasibility, while identifying possible bottlenecks in its implementation. The results can then serve the city planners to adapt their planning in order to avoid unforeseen problems, when putting the plan’s measures into practice. The approach pursued in this research is a combination of system dynamics and an agent-based simulation model of the city’s energy system, providing both a high spatial and temporal granularity. The model is developed with the multi-method modelling tool Anylogic and with Geographic Information System (GIS). The city itself is represented with its existing building and power infrastructure, which is then subject to the planned measures and developments. The core of the model implements on the one hand different energy generation technologies, both fossil fuels and renewables, reaching from big power plants to small local PV-installations on a private household’s roof. On the other hand, the heat and electricity consumers are represented through the buildings. The aim of the model is, at first, to provide a support system to analyze the short and long term effects of the Master Plan. Since its measures are usually not planned in detail concerning exact location or timing of the realization, the simulation results can provide references on these specific details. Secondly, the findings are used to identify the impact of single planned measures and their combinations which answers the questions of how, when and where local electricity and heat producers and the energy efficiency measures influence one another and if they have synergetic or competitive effects. Finally, a set of recommendations is derived from the analyses, which can help the city planners to transfer the strategic measures of the Master Plan into operative business.