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Evaluating the benefits of a solar home energy management system: impacts on photovoltaic power production value and grid interaction
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics. (Built Environment Energy Systems Group (BEESG))
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics. (Built Environment Energy Systems Group (BEESG))
2013 (English)In: Proceedings of the eceee 2013 Summer Study, Presqu'île de Giens, France, June 3-8, 2013, 2013Conference paper, Published paper (Refereed)
Abstract [en]

On mature photovoltaic (PV) markets where feed-in support has declined, as well as on immature markets where there is yet no feed-in support, home energy management systems could be interesting for increasing the value of on-site PV power generation. These systems typically provide scheduling of programmable appliances and may also include battery storage for shifting surplus PV power from day to night. In this paper we investigate how these systems perform in Swedish detached single-family buildings equipped with PV systems. How much can the households’ self-consumption of the on-site PV be increased with load shifting and battery storage? How is the value of the on-site PV generation affected by these options? Is there any benefit for the distribution grid with a widespread adoption of such systems? Simulation models for energy management systems with optimized load shifting and small battery storage capabilities were developed and applied to appliance-specific and highly resolved monitoring data from 20 Swedish detached single-family buildings. These detailed data provide information on individual appliance duty cycles and allow a realistic assessment of the load shifting potential. The main conclusion is that these systems have a potential for improving the PV self-consumption and production value by a few percent, but unless extensive battery storage is introduced, they are unlikely to have any marked impact on distribution system management.

Place, publisher, year, edition, pages
2013.
National Category
Energy Systems
Research subject
Engineering Science with specialization in Solid State Physics
Identifiers
URN: urn:nbn:se:uu:diva-211835OAI: oai:DiVA.org:uu-211835DiVA: diva2:668856
Conference
eceee 2013 Summer Study, Presqu'île de Giens, France, June 3-8, 2013
Available from: 2013-12-02 Created: 2013-12-02 Last updated: 2014-01-31

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Widén, JoakimMunkhammar, Joakim

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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Language
  • de-DE
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  • fi-FI
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  • nn-NB
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