Implementing prosumers into heating networks

Michel Gross, Babak Karbasi, Tobias Reiners, Lisa Altieri, Hermann-Josef Wagner and Valentin Bertsch ()

Energy, 2021, vol. 230, issue C

Abstract: This article investigates possibilities for including prosumer structures in heating networks. Therefore, the performance of three different heating system scenarios for a new housing district is investigated. Low (60 °C) and ultra-low (20 °C) network temperatures are investigated. The case study includes about 100 different single-family and multi-family houses. Two scenarios contain networks with temperatures of 20 and 60 °C. The third scenario is extended with solar collectors and a supermarket as decentralised prosumers who supply heat to the network in times of surplus. The network can simulate bidirectional flows. Based on the principles of graph theory, a combined hydraulic and thermal model is developed and used for this study. The results show a heat loss reduction in ultra-low temperature networks due to lower network working temperatures (20 °C) of about 80% compared to a low-temperature network. The implementation of prosumers considerably reduces the demand from a central heat source. In this study, 20% of the total heating demand can be covered by excess heat of the prosumer supply.

Keywords: 4GDH; 5GDH; Low-temperature district heating; Ultra-low-temperature district heating; Bidirectional network; Prosumer; Decentral heat pumps; Case study (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (16)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:230:y:2021:i:c:s0360544221010926

DOI: 10.1016/j.energy.2021.120844

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