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Solar District Heating: The potential of a large scale solar district heating facility in Stockholm
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
2014 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesisAlternative title
Solvärmeanläggning i fjärrvärmenätet : Potentialen för en storskalig solvärmeanläggning i Stockholms fjärrvärmenät (Swedish)
Abstract [en]

As a part of Fortum's vision of a future Solar Economy, a feasibility study of a Solar

District Heating facility was conducted. The focus of this study was to determine the

technical, economic and environmental potential of a Solar District Heating facility,

combined with a seasonal thermal storage, in the district heating network in


Three different cases have been studied. The cases differ on the size of the available

land area, on what type of storage technology utilized and if excess heat from

different production facilities in the network is included or not. The results indicate

that it is technically possible to implement a Solar District Heating facility in

Stockholm, no obvious limitations in the network has been identified. The thermal

storage should preferably be charged throughout the year and be discharged during

December to March.

The economic results indicate that none of the studied cases are economically feasible

without any subsidies, increased revenues or other reductions of initial investment

costs. The most economically beneficial system configuration was to utilize a smaller

land area for solar collector installations, include excess heat from local production

facilities and to utilize existing rock caverns and infrastructure in the area.

The Solar District Heating facility could decrease the climate impact and the net

primary energy use compared to the production of a biofuel production facility, but a

further study is needed.

Place, publisher, year, edition, pages
2014. , 96 p.
UPTEC ES, ISSN 1650-8300 ; 14001
Keyword [en]
Solar district heating, Solar Energy, District heating, Energy
Keyword [sv]
Solvärmeanläggning, Solenergi, Fjärrvärme, Energiteknik
National Category
Energy Engineering
URN: urn:nbn:se:uu:diva-219248OAI: oai:DiVA.org:uu-219248DiVA: diva2:698746
External cooperation
AB Fortum Värme samägt med Stockholms stad
Educational program
Master Programme in Energy Systems Engineering
Available from: 2014-03-07 Created: 2014-02-25 Last updated: 2014-03-07Bibliographically approved

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