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Beyond the building–understanding building renovations in relation to urban energy systems
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.ORCID iD: 0000-0003-1001-2489
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.ORCID iD: 0000-0001-5277-4567
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.ORCID iD: 0000-0002-7233-6916
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.ORCID iD: 0000-0003-3530-0209
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2016 (English)In: Journal of Settlements and Spatial Planning, ISSN 2069-3419, Vol. 2016, no Spec. Iss. 5, p. 31-39Article in journal (Refereed) Published
Resource type
Text
Abstract [en]

About 35% of Europe’s building stock is over 50 years old and consumes about 175 kWh/m2 for heating, between 3-5 times the amount required by the newly constructed buildings. Annually, between1 and 1.5% new buildings are built and only between 0.2 and 0.5% are removed, therefore the focus needs to be put on the renovation of the existing building stock. The implementation of energy conservation measures (ECMs) in the residential sector becomes a very important strategy to meet the EU´s 20% energy consumption reduction of the 20-20-20 goals. The main challenge, however, is to determine which of the ECMs strategies are the best to provide not just with the best energy consumption reduction, but also with the best environmental impact and economic benefits. This paper addresses this issue and analyses the impact of different ECMs by focusing not only on the buildings themselves, but on the energy supply network and the overall energy system as a whole. To achieve this, we review five case studies in Sweden that use different ECMs as well as other alternatives, such as: distributed generation (DG) and energy storage. Results suggest that although there is no standard protocol that would fit all renovation projects, the existing methodologies fall short to provide the best overall impact on the energy system and that a broader analysis of the local conditions should be carried out before performing large building renovation projects.

Place, publisher, year, edition, pages
2016. Vol. 2016, no Spec. Iss. 5, p. 31-39
Keywords [en]
Case studies, ECMs, Energy system, From building to city, Review, Sweden
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-31237ISI: 000408238100004Scopus ID: 2-s2.0-84958776541OAI: oai:DiVA.org:mdh-31237DiVA, id: diva2:908779
Available from: 2016-03-03 Created: 2016-03-03 Last updated: 2017-09-07Bibliographically approved
In thesis
1. From Passive to Active Electric Distribution Networks
Open this publication in new window or tab >>From Passive to Active Electric Distribution Networks
2016 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Large penetration of distributed generation from variable renewable energy sources, increased consumption flexibility on the demand side and the electrification of transportation pose great challenges to existing and future electric distribution networks. This thesis studies the roles of several actors involved in electric distribution systems through electricity consumption data analysis and simulation models. Results show that real-time electricity pricing adoption in the residential sector offers economic benefits for end consumers. This occurs even without the adoption of demand-side management strategies, while real-time pricing also brings new opportunities for increasing consumption flexibility. This flexibility will play a critical role in the electrification of transportation, where scheduled charging will be required to allow large penetration of EVs without compromising the network's reliability and to minimize upgrades on the existing grid. All these issues add significant complexity to the existing infrastructure and conventional passive components are no longer sufficient to guarantee safe and reliable network operation. Active distribution networks are therefore required, and consequently robust and flexible modelling and simulation computational tools are needed for their optimal design and control. The modelling approach presented in this thesis offers a viable solution by using an equation-based object-oriented language that allows developing open source network component models that can be shared and used unambiguously across different simulation environments. 

Place, publisher, year, edition, pages
Västerås: Mälardalen University Press, 2016
Series
Mälardalen University Press Dissertations, ISSN 1651-4238 ; 202
Keywords
Active distribution networks, smart grids, smart Meters, real-time pricing, demand-side management, electric vehicles, power systems
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Energy- and Environmental Engineering
Identifiers
urn:nbn:se:mdh:diva-31592 (URN)978-91-7485-271-4 (ISBN)
Public defence
2016-06-17, Paros, Mälardalens högskola, Västerås, 09:15 (English)
Opponent
Supervisors
Available from: 2016-05-16 Created: 2016-05-15 Last updated: 2016-05-30Bibliographically approved

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Scopushttp://geografie.ubbcluj.ro/ccau/jssp/arhiva_si5_2016/04JSSPSI052016.pdf

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Campillo, JavierVassileva, IanaDahlquist, ErikLundström, LukasThyghesen, Richard

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