Reduction of supply temperature in existing district heating: A review of strategies and implementations

E. Guelpa, M. Capone, A. Sciacovelli, N. Vasset, R. Baviere and V. Verda

Energy, 2023, vol. 262, issue PB

Abstract: Most of the existing district heating systems are second and third generation and operate with supply temperature above 80–100 °C. To meet long-term decarbonization targets, existing networks should be transformed into low-temperature systems in a cost-effective manner. This paper presents a critical review on the strategies that can be adopted to reduce the supply temperature in existing district heating networks taking advantage of previous studies (both research projects and scientific papers) and forerunner experiences. This includes a review of the constraints met during transition and the possible strategies/actions to overcome them, along with the actions to boost the change.

Keywords: Thermal networks; Supply temperature reduction; Low-temperature district heating; Lowering; District heating temperature; Real cases; Founded project (search for similar items in EconPapers)
Date: 2023
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Citations: View citations in EconPapers (10)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:262:y:2023:i:pb:s0360544222022459

DOI: 10.1016/j.energy.2022.125363

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