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Open AccessArticle

District Energy Systems: Challenges and New Tools for Planning and Evaluation

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OFFIS Institute for Information Technology, Escherweg 2, 26121 Oldenburg, Germany
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KEHAG Energiehandel GmbH, Im Technologiepark 4, 26129 Oldenburg, Germany
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DLR Institute of Networked Energy Systems, Carl-von-Ossietzky-Str. 15, 26129 Oldenburg, Germany
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Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM, Wiener Straße 12, 28359 Bremen, Germany
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Institute for Database Oriented Design, Jade University of Applied Sciences, Ofener Straße 16/19, 26121 Oldenburg, Germany
*
Authors to whom correspondence should be addressed.
Energies 2020, 13(11), 2967; https://doi.org/10.3390/en13112967
Received: 23 January 2020 / Revised: 27 April 2020 / Accepted: 27 May 2020 / Published: 9 June 2020
The change from a centralized to a decentralized energy supply creates new challenges in the planning of such energy supply concepts. Specialized planning tools that can cope with the complex requirements and multi-layered boundary conditions of local energy use are therefore needed. Existing methods need to be further developed and optimized to suit the complex stakeholder structures encountered in innovative district projects, as well as for research purposes. This paper presents selected aspects and challenges in the development of an application-oriented planning tool. Using a North German district as a case study, the usability of a Building Information Model as an aggregated data platform is tested in the context of a residential energy district planning process. In addition, the modeling of heating grids using a combination of Geographic Information System and open source thermodynamic tools is presented. Economic valuation methods are examined to determine the extent to which the value of flexibility and access to local flexibility markets can be taken into account. Finally, an approach for evaluating the ecological aspects of the district energy supply is presented, based on the dynamic assessment of imported and exported energy quantities. View Full-Text
Keywords: district energy systems; energy system planning; building information modeling; heat grid simulation; flexibility valuation; local flexibility markets; emission valuation; flow tracing district energy systems; energy system planning; building information modeling; heat grid simulation; flexibility valuation; local flexibility markets; emission valuation; flow tracing
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MDPI and ACS Style

Wehkamp, S.; Schmeling, L.; Vorspel, L.; Roelcke, F.; Windmeier, K.-L. District Energy Systems: Challenges and New Tools for Planning and Evaluation. Energies 2020, 13, 2967. https://doi.org/10.3390/en13112967

AMA Style

Wehkamp S, Schmeling L, Vorspel L, Roelcke F, Windmeier K-L. District Energy Systems: Challenges and New Tools for Planning and Evaluation. Energies. 2020; 13(11):2967. https://doi.org/10.3390/en13112967

Chicago/Turabian Style

Wehkamp, Steffen; Schmeling, Lucas; Vorspel, Lena; Roelcke, Fabian; Windmeier, Kai-Lukas. 2020. "District Energy Systems: Challenges and New Tools for Planning and Evaluation" Energies 13, no. 11: 2967. https://doi.org/10.3390/en13112967

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