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Photovoltaics in Swedish agriculture: Technical potential, grid integration and profitability
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics. (Built Environment Energy Systems Group)ORCID iD: 0000-0001-6586-4932
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)
SP Technical Research Institute of Sweden.
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2015 (English)In: Proceedings of the ISES Solar World Congress 2015, Daegu, Korea, November 8-12, 2015, 2015Conference paper, Published paper (Other academic)
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
2015.
Keyword [en]
PV potential, grid integration, agriculture
National Category
Energy Systems
Research subject
Engineering Science
Identifiers
URN: urn:nbn:se:uu:diva-267148OAI: oai:DiVA.org:uu-267148DiVA: diva2:872378
Conference
ISES Solar World Congress 2015, Daegu, Korea, November 8-12, 2015
Projects
Solel i lantbruket - realiserbar potential och affärsmodeller
Funder
Swedish Energy Agency
Available from: 2015-11-18 Created: 2015-11-18 Last updated: 2017-10-25

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Lingfors, DavidWidén, JoakimMarklund, Jesper

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