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How Much Excess Heat Might Be Used in Buildings? A Spatial Analysis at the Municipal Level in Germany

Fritz, Markus ; Aydemir, Ali ; Schebek, Liselotte (2022)
How Much Excess Heat Might Be Used in Buildings? A Spatial Analysis at the Municipal Level in Germany.
In: Energies, 15 (17)
doi: 10.3390/en15176245
Artikel, Bibliographie

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Kurzbeschreibung (Abstract)

Excess heat can make an important contribution to reduce greenhouse gas emissions in the heating and cooling sector. Due to the local character of heat, the local excess heat potential is decisive for using excess heat. However, the spatially distributed potential and the subdivision of the potential into different subsectors have not been sufficiently investigated in Germany. Here we analyse the excess heat potential in Germany according to different subsectors and spatially distributed to the municipal level. We use data of more than 115,000 records on exhaust gas and fuel input from over 11,000 industrial sites. We calculate the site-specific excess heat potential and check its plausibility using the fuel input of the respective industrial sites. Finally, we compare the excess heat potential with the residential heat demand at the municipal level. Our results show that the excess heat potential in Germany is about 36.6 TWh/a, and that in 148 municipalities, the annual excess heat potential is greater than 50% of the annual heat demand. In conclusion, there is a large potential for excess heat utilisation in Germany. In some regions, more excess heat is available throughout the year than is needed to provide space heat and hot water.

Typ des Eintrags: Artikel
Erschienen: 2022
Autor(en): Fritz, Markus ; Aydemir, Ali ; Schebek, Liselotte
Art des Eintrags: Bibliographie
Titel: How Much Excess Heat Might Be Used in Buildings? A Spatial Analysis at the Municipal Level in Germany
Sprache: Englisch
Publikationsjahr: 2022
Ort: Darmstadt
Verlag: MDPI
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Energies
Jahrgang/Volume einer Zeitschrift: 15
(Heft-)Nummer: 17
Kollation: 17 Seiten
DOI: 10.3390/en15176245
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Kurzbeschreibung (Abstract):

Excess heat can make an important contribution to reduce greenhouse gas emissions in the heating and cooling sector. Due to the local character of heat, the local excess heat potential is decisive for using excess heat. However, the spatially distributed potential and the subdivision of the potential into different subsectors have not been sufficiently investigated in Germany. Here we analyse the excess heat potential in Germany according to different subsectors and spatially distributed to the municipal level. We use data of more than 115,000 records on exhaust gas and fuel input from over 11,000 industrial sites. We calculate the site-specific excess heat potential and check its plausibility using the fuel input of the respective industrial sites. Finally, we compare the excess heat potential with the residential heat demand at the municipal level. Our results show that the excess heat potential in Germany is about 36.6 TWh/a, and that in 148 municipalities, the annual excess heat potential is greater than 50% of the annual heat demand. In conclusion, there is a large potential for excess heat utilisation in Germany. In some regions, more excess heat is available throughout the year than is needed to provide space heat and hot water.

Freie Schlagworte: waste heat, excess heat, spatial analysis, industrial energy demand, heat demand, industrial subsectors
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This article belongs to the Section A: Sustainable Energy

Sachgruppe der Dewey Dezimalklassifikatin (DDC): 600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften und Maschinenbau
Fachbereich(e)/-gebiet(e): 13 Fachbereich Bau- und Umweltingenieurwissenschaften
13 Fachbereich Bau- und Umweltingenieurwissenschaften > Institut IWAR - Wasser- und Abfalltechnik, Umwelt- und Raumplanung
13 Fachbereich Bau- und Umweltingenieurwissenschaften > Institut IWAR - Wasser- und Abfalltechnik, Umwelt- und Raumplanung > Fachgebiet Stoffstrommanagement und Ressourcenwirtschaft
Hinterlegungsdatum: 02 Aug 2024 12:43
Letzte Änderung: 02 Aug 2024 12:43
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