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On the economic effects of metering schemes in Community owned residential PV systems
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
2015 (English)In: ISES Solar World Congress 2015, Conference Proceedings, International Solar Energy Society, 2015, 1364-1371 p.Conference paper, (Refereed)
Abstract [en]

Community-owned, grid-connected solar photovoltaic (PV) systems in multi-family housing offer the potential for large scale installations with favorable costs as compared to single family systems. However, traditional utility metering schemes often define boundaries which result in high sales of PV generation to the grid, lowering the economic value for the cooperative. This study explores two alternative metering schemes which better represent the interests of cooperative as a single PV owner by aggregating meters within and across buildings. Measured communal load data from a cooperative in western Sweden is combined with modeled PV generation and apartment load data to calculate the net present value (NPV) of the various meter schemes under several subsidies policies. The results show that under a traditional metering scheme, 40% of the PV generation is considered sold to the network, even though only 3% of the electricity physically leaves the buildings and none leaves the estate. Reclassifying this sold electricity as self-consumed results in an increase in NPV by as much as €60,000, which is €15,000 more than the value added by subsidies. The results of this paper are useful for community organizers, PV installers, utilities, and lawmakers interested in next generation electricity markets based on distributed generation.

Place, publisher, year, edition, pages
International Solar Energy Society, 2015. 1364-1371 p.
Keyword [en]
Community solar, Cooperative, Self-consumption, Techno-economic, Utility 2.0, Housing, Photovoltaic cells, Solar energy, Techno-economics, Solar power generation
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-207210DOI: 10.18086/swc.2015.09.05Scopus ID: 2-s2.0-85017028542ISBN: 9783981465952 (electronic)OAI: oai:DiVA.org:kth-207210DiVA: diva2:1117632
Conference
International Solar Energy Society, ISES Solar World Congress 2015, SWC 2015, 8 November 2015 through 12 November 2015
Note

QC 20170629

Available from: 2017-06-29 Created: 2017-06-29 Last updated: 2017-06-29Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf