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Multi-Actor Urban Energy Planning Support: Building refurbishment & Building-integrated Solar PV

Authors
Ouhajjou, Najd (AIT-Austrian Institute of Technology)
Search for Najd Ouhajjou in Research Programmes Information System
Loibl, Wolfgang (AIT-Austrian Institute of Technology)
Search for Wolfgang Loibl in Research Programmes Information System
Fenz, Stefan (Vienna University of Technology)
Search for Stefan Fenz in Research Programmes Information System
Tjoa, A Min (Vienna University of Technology)
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Chapter Renewable Energy
Volume Proceedings of the 28th Conference on Environmental Informatics - Informatics for Environmental Protection, Sustainable Development and Risk Management
Conference EnviroInfo 2014 - ICT for Energy Effieciency
Oldenburg, 2014
Year 2014
Abstract of the Article
Considering the large amount of energy consumption in cities, two-thirds of the overall
consumption, these latter have an important potential in terms of CO2 emissions reduction.
Therefore, energy strategies are needed at a city level and consequently, adequate planning tools
are required to support urban energy planners in assessing their decisions (e.g. which buildings are
the best to refurbish). This paper presents an ontology based approach for urban energy planning
support applied to building refurbishment and building-integrated solar PV planning. The adopted
methodology is an iterative, incremental process, where each iteration leads to the integration of a
new planning decision. The process starts by the identification of the actors whose interests are
affected by the decision, then developing/ re-using computation models that provide answers for
their questions. The different models are integrated using an ontology that models the parts of the
city within the scope of the questions to be answered. The system is applied in a district (about
1200 buildings) in the city of Vienna. The adopted approach provides different actors with specific
information to their points of view. Furthermore, the output is aggregated to a common level of
abstraction, to be understood by all the actors. This approach is applicable to different cities, as the
ontology also integrates extension and upgrade mechanisms that provide flexibility to cope with
different data-availability contexts.
Pages 77 - 84
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