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Photovoltaics in Swedish agriculture: Technical potential, grid integration and profitability
Department of Engineering Sciences, Uppsala University, Uppsala, Sweden.
Department of Engineering Sciences, Uppsala University, Uppsala, Sweden.
Department of Engineering Sciences, Uppsala University, Uppsala, Sweden.
SP Technical Research, Institute of Sweden, Uppsala, Sweden.
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2015 (English)In: ISES Solar World Congress 2015, Conference Proceedings, International Solar Energy Society , 2015, 259-267 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper investigates the realizable potential for photovoltaic (PV) systems in Swedish agriculture. Marginal lands and available building areas for PV systems are quantified, and factors limiting the potential are analyzed. It is shown that the potential for PV in Swedish agriculture is high, but what is fully realizable is limited by the capacity of the rural power grid. A case study in the rural municipality of Herrljunga was conducted and scaled to national level. The study shows that the risk of surges in the medium voltage grid (10 kV) in rural areas are small in case where all roof surfaces with an annual solar irradiance of over 950 kWh/m2 are used for solar power. The total electricity production from the Swedish agriculture, if all roof areas with this irradiance level were used, is estimated to 4 TWh annually. With solar power on all roof surfaces with an annual irradiance of at least 900 kWh per m2 problems with voltage rise and overloads in the electricity grid might occur. The electrical grid capacities thus substantially limit how much solar power can be installed. Our results also show that the profitability limits the potential to 0.2 TWh on a national level, but that it could increase if more optimistic economic conditions are assumed.

Place, publisher, year, edition, pages
International Solar Energy Society , 2015. 259-267 p.
Keyword [en]
Agriculture, Profitability, Renewable energy resources, Roofs, Rural areas, Solar energy, Economic condition, Electricity grids, Electricity production, Medium voltage grid, Photovoltaic systems, Rural municipalities, Solar irradiances, Technical potential, Electric power transmission networks
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-35215DOI: 10.18086/swc.2015.07.14Scopus ID: 2-s2.0-85016976460ISBN: 9783981465952 (print)OAI: oai:DiVA.org:mdh-35215DiVA: diva2:1089697
Conference
International Solar Energy Society, ISES Solar World Congress 2015, SWC 2015, 8 November 2015 through 12 November 2015
Available from: 2017-04-20 Created: 2017-04-20 Last updated: 2017-04-20Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • 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