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Primary energy implications of end-use energy efficiency measures in district heated buildings
Linnaeus University, Faculty of Science and Engineering, School of Engineering. Mittuniversitetet, Institutionen för teknik och hållbar utveckling. (Ecotechnology)
Mittuniversitetet, Institutionen för teknik och hållbar utveckling. (Ecotechnology)
Mittuniversitetet, Institutionen för teknik och hållbar utveckling. (Ecotechnology)
Mittuniversitetet, Institutionen för teknik och hållbar utveckling. (Ecotechnology)
2011 (English)In: Energy and Buildings, ISSN 0378-7788, E-ISSN 1872-6178, Vol. 43, no 1, p. 38-48Article in journal (Refereed) Published
Abstract [en]

In this study we explore the effects of end-use energy efficiency measures on different district heat production systems with combined heat and power (CHP) plants for base load production and heat-only boilers for peak and medium load productions. We model four minimum cost district heat production systems based on four environmental taxation scenarios, plus a reference district heat system used in Östersund, Sweden. We analyze the primary energy use and the cost of district heat production for each system. We then analyze the primary energy implications of end-use energy efficiency measures applied to a case-study apartment building, taking into account the reduced district heat demand, reduced cogenerated electricity and increased electricity use due to ventilation heat recovery. We find that district heat production cost in optimally-designed production systems is not sensitive to environmental taxation. The primary energy savings of end-use energy efficiency measures depend on the characteristics of the district heat production system and the type of end-use energy efficiency measures. Energy efficiency measures that reduce more of peak load than base load production give higher primary energy savings, because the primary energy efficiency is higher for CHP plants than for boilers. This study shows the importance of analyzing both the demand and supply sides as well as their interaction in order to minimize the primary energy use of district heated buildings.

Place, publisher, year, edition, pages
Elsevier, 2011. Vol. 43, no 1, p. 38-48
Keywords [en]
CHP plant; District heat production; Energy efficiency; Environmental taxations; Primary energy; Buildings
National Category
Construction Management Other Environmental Engineering
Research subject
Technology (byts ev till Engineering), Civil engineering
Identifiers
URN: urn:nbn:se:lnu:diva-15601DOI: 10.1016/j.enbuild.2010.07.029ISI: 000284682700005Scopus ID: 2-s2.0-78049480263OAI: oai:DiVA.org:lnu-15601DiVA, id: diva2:455062
Available from: 2010-08-06 Created: 2011-11-08 Last updated: 2017-12-08Bibliographically approved

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Gustavsson, LeifDodoo, AmbroseTruong, Nguyen LeDanielski, Itai

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  • apa
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