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Maximizing Solar Energy Production for Västra Stenhagenskolan: Designing an Optimal PV System
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences.
2019 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Skolfastigheter is a municipality owned real estate company that manages most of the buildings used for lower education in Uppsala. The company is working in line with the environmental goals of the municipality by installing photovoltaic systems in schools and other educational buildings. Skolfastigheter are planning to install a photovoltaic system in a school in Stenhagen. The purpose of this study is to optimally design the proposed system. The system will be maximized, which in this study entails that the modules will be placed on every part of the roof where the insolation is sufficient. The system will also be grid connected. The design process includes finding an optimal placement of the modules, matching them with a suitable inverter bank and evaluating the potential of a battery storage. Economic aspects such as taxes, subsidies and electricity prices are taken into account when the system is simulated and analyzed. A sensitivity analysis is carried out to evaluate how the capacity of a battery bank affects the self-consumption, self-sufficiency and cost of the system. It is concluded that the optimal system has a total peak power of almost 600 kW and a net present value of 826 TSEK, meaning that it would be a profitable investment. A battery bank is excluded from the optimal design, since increasing the capacity of the bank steadily decreased the net present value and only marginally increased the self-consumption and self-sufficiency of the system.

Place, publisher, year, edition, pages
2019. , p. 44
Series
TVE-STS ; 19007
Keywords [en]
Energy systems, energy system, photovoltaic system, photovoltaic systems, Stenhagen, Västra Stenhagenskolan, Uppsala, solar energy, PV system, PV systems, PV
National Category
Energy Systems
Identifiers
URN: urn:nbn:se:uu:diva-384723OAI: oai:DiVA.org:uu-384723DiVA, id: diva2:1321387
External cooperation
Skolfastigheter
Educational program
Systems in Technology and Society Programme
Supervisors
Examiners
Available from: 2019-06-12 Created: 2019-06-07 Last updated: 2019-06-12Bibliographically approved

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