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Heat Roadmap Europe: Combining district heating with heat savings to decarbonise the EU energy system
Aalborg University, Aalborg, Denmark.ORCID iD: 0000-0001-7134-8803
Aalborg University, Aalborg, Denmark.
Aalborg University, Aalborg, Denmark.ORCID iD: 0000-0003-3917-1184
Halmstad University, School of Business, Engineering and Science, Biological and Environmental Systems (BLESS), Energiteknik.ORCID iD: 0000-0001-9069-0807
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2014 (English)In: Energy Policy, ISSN 0301-4215, E-ISSN 1873-6777, Vol. 65, 475-489 p.Article in journal (Refereed) Published
Abstract [en]

Six different strategies have recently been proposed for the European Union (EU) energy system in the European Commission’s report, Energy Roadmap 2050. The objective for these strategies is to identify how the EU can reach its target of an 80% reduction in annual greenhouse gas emissions in 2050 compared to 1990 levels. None of these scenarios involve the large-scale implementation of district heating, but instead they focus on the electrification of the heating sector (primarily using heat pumps) and/or the large-scale implementation of electricity and heat savings. In this paper, the potential for district heating in the EU between now and 2050 is identified, based on extensive and detailed mapping of the EU heat demand and various supply options. Subsequently, a new ‘district heating plus heat savings’ scenario is technically and economically assessed from an energy systems perspective. The results indicate that with district heating, the EU energy system will be able to achieve the same reductions in primary energy supply and carbon dioxide emissions as the existing alternatives proposed. However, with district heating, these goals can be achieved at a lower cost, with heating and cooling costs reduced by approximately 15%. © 2013 Elsevier Ltd.

Place, publisher, year, edition, pages
London: Elsevier, 2014. Vol. 65, 475-489 p.
Keyword [en]
Europe, district heating, mapping and modelling
National Category
Energy Systems
Identifiers
URN: urn:nbn:se:hh:diva-24173DOI: 10.1016/j.enpol.2013.10.035ISI: 000330813800047Scopus ID: 2-s2.0-84890315283OAI: oai:DiVA.org:hh-24173DiVA: diva2:679375
Note

The work presented was partly funded by Euroheat and Power. It is also the result of the Strategic Research Centre for 4th Generation District Heating Technologies and Systems (4DH), which is partly financed by the Danish Council for Strategic Research.

Available from: 2013-12-15 Created: 2013-12-15 Last updated: 2017-03-16Bibliographically approved
In thesis
1. District heating in future Europe: Modelling expansion potentials and mapping heat synergy regions
Open this publication in new window or tab >>District heating in future Europe: Modelling expansion potentials and mapping heat synergy regions
2015 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

This thesis presents a set of methodologies and approaches to investigate and determine the extent by which district heating can contribute to improved energy system efficiency and reduced carbon dioxide emissions in future Europe. The main motivation for suggesting large-scale implementation of district heating as a structural energy efficiency measure to obtain these objectives originates essentially in the predicament that a majority of European buildings today remain highly dependent on fossil fuels to provide energy needed for space heating and hot water preparation. In parallel, vast annual volumes of rejected excess heat from European power plants and industries are mainly neglected and lost unutilised to the ambient surroundings, why extended recovery and utilisation of such secondary energy assets realistically could replace significant shares of current inefficient supplies by fuel substitution. A prerequisite, however, for the viability of this logical prospect, is that infrastructures by which to facilitate excess heat recovery and subsequent network heat distribution are in place, which by no means is the average case in contemporary Europe.

Hereby, the investigation is structured orderly by first establishing whether district heating can be a competitive alternative on current urban European heat markets, facilitated by a distribution capital cost model, where after the energy systemic benefits of expanding district heating are characterised and used to estimate a plausible expansion potential based on comparative analysis. Next, energy system modelling of continental EU27 by the year 2050, with district heating expanded in alignment with this potential, is performed to assess the total energy system cost benefits relative an alternative scenario focusing mainly on individual energy efficiency measures. Finally, spatial mapping to identify current primary target regions from which large-scale implementation of district heating could emanate is conceived and performed by use of a geographical information systems interface.

The findings are generally supportive of a realisation of the objectives, mainly so by establishing a three-fold directly feasible expansion potential for district heating in city areas, but recognise also several additional, mainly non-technical, issues and challenges necessary to address in a successful transition to more energy efficient supply structures in future Europe.

Place, publisher, year, edition, pages
Göteborg: Chalmers University of Technology, 2015. 90 p.
Series
Doktorsavhandlingar vid Chalmers tekniska högskola. Ny serie, ISSN 0346-718X ; 3769
Keyword
district heating, energy efficiency, distribution capital cost, heat demand density, plot ratio, excess heat recovery, sequential energy supply, heat utilisation rate, effective width
National Category
Energy Systems Energy Engineering Environmental Sciences
Identifiers
urn:nbn:se:hh:diva-27967 (URN)978-91-7597-088-2 (ISBN)
Public defence
2015-01-08, Hörsal HC3, Hörsalsvägen 14, Göteborg, 10:00 (English)
Opponent
Supervisors
Available from: 2015-03-11 Created: 2015-03-10 Last updated: 2015-03-11Bibliographically approved

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