Article (Scientific journals)
Utilizing excess heat through a wholesale day ahead heat market – The DARKO model
Doračić, Borna; Pavičević, Matija; Pukšec, Tomislav et al.
2021In Energy Conversion and Management, 235, p. 114025
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Keywords :
Excess heat; District heating; Heat market; Renewable energy sources
Abstract :
[en] District heating has already proven to be a suitable solution for the decarbonisation of the most energy intensive energy sector in Europe, heating and cooling. However, to achieve this, it needs to incorporate renewable and sustainable energy sources into the generation mix which is still dominated by fossil fuels in many countries. Alongside traditional renewables like solar thermal, geothermal and biomass, excess heat from the industrial and service sector has a high untapped potential. Nonetheless, to utilize it in district heating, third party access must be granted. For that reason, a wholesale day ahead heat market has been modelled in this study and validated on a case study in the city of Sisak in Croatia. The idea was twofold: to evaluate the functionality of such a heat market and its effect on the existing system, as well as to analyse the integration of high and low temperature excess heat sources in different conditions, including the use of thermal storage, as well as the competition with low-cost renewables, i.e. solar thermal. The results have shown that the introduction of a wholesale day ahead heat market would ensure the positive total welfare in all the scenarios. The benefit for the demand side and the total welfare would increase even more if excess heat sources are integrated in the system and especially if they are combined with a thermal storage to increase their capacity factor, which would also decrease the competing effect of solar thermal. Finally, it was shown that low temperature excess heat is not feasible in the high temperature district heating and the transfer to the 4th generation district heating is required to feasibly utilise low temperature sources.
Disciplines :
Energy
Business & economic sciences: Multidisciplinary, general & others
Author, co-author :
Doračić, Borna
Pavičević, Matija
Pukšec, Tomislav
Quoilin, Sylvain  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Systèmes énergétiques
Duić, Neven
Language :
English
Title :
Utilizing excess heat through a wholesale day ahead heat market – The DARKO model
Publication date :
2021
Journal title :
Energy Conversion and Management
ISSN :
0196-8904
eISSN :
1879-2227
Publisher :
Elsevier, United Kingdom
Volume :
235
Pages :
114025
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 21 March 2021

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