Analysis and Evaluation of the Feasibility of Positive Energy Districts in Selected Urban Typologies in Vienna Using a Bottom-Up District Energy Modelling Approach

Hans-Martin Neumann, Ali Hainoun, Romana Stollnberger, Ghazal Etminan and Volker Schaffler
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Hans-Martin Neumann: AIT Austrian Institute of Technology GmbH, 1210 Vienna, Austria
Ali Hainoun: AIT Austrian Institute of Technology GmbH, 1210 Vienna, Austria
Romana Stollnberger: AIT Austrian Institute of Technology GmbH, 1210 Vienna, Austria
Ghazal Etminan: AIT Austrian Institute of Technology GmbH, 1210 Vienna, Austria
Volker Schaffler: Federal Ministry for Climate Action, Environment, Energy, Mobility, Innovation and Technology (BMK) of Austria, 1030 Vienna, Austria

Energies, 2021, vol. 14, issue 15, 1-16

Abstract: This article investigates the potential of selected urban typologies in Vienna to reach the state of Positive Energy Districts (PED) by achieving a positive annual energy balance. It follows the EU initiative for implementing at least 100 PED in Europe by 2025. Four urban typologies have been assessed using the bottom-up energy modelling tool MAPED that enables a simplified energy demand-supply analysis at the district scale. Considering relevant urban typologies in different construction periods, the analysis focused on converting the allocated building stocks into PED by employing comprehensive thermal refurbishment and energy efficiency measures, electrification of end-uses and fuel switching, exploitation of local renewable energy potential, and flexible interaction with the regional energy system. The results reveal that a detached housing district can achieve a positive annual energy balance (for heat and power) of 110% due to the fact that there are sufficient surfaces (roofs, facades, open land) available for the production of local renewable energy, whereas the remaining typologies fail to achieve the criteria with an annual balance ranking between 61% and 97%, showing additional margins for improvement to meet the PED conditions. The presented concept offers a practical approach to investigate the PED suitability of urban typologies. It will help the Austrian Ministry for Climate Action and Environment to identify appropriate strategies for the refurbishment of existing urban areas towards the PED standard.

Keywords: Positive Energy Districts; urban typology; energy modelling; energy and climate goals; energy flexibility; sustainable urban development (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (7)

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