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Solar PV in multi-family houses with battery storage
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
2015 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This thesis investigates the economic viability of a grid connected PV system integrated with battery storage in a multifamily home in Sweden. In addition, a fleet of electric cars is added to the system and its economic feasibility is analyzed. The analysis is further classified based on the roof area available for PV installation, wherein system 1 considers nearly the entire roof area of 908 m2 and system 2 is assumed to have less than half the roof area of 360 m2 for PV installation. To help with the assessment, five scenarios are created; where scenario one represents a baseline Swedish cooperative without PV, scenario two includes a PV system; scenario three incorporates battery storage; four considers an electric vehicle fleet embedded into the system and scenario five has a fleet of gasoline cars. These scenarios are applied to the two systems and their results compared.

To address the question of this thesis both scenarios 2 and 3 are simulated in System Advisor Model (SAM) and scenario 4 is modeled in Matlab. The outputs are exported to Excel in order to obtain the Net Present Value (NPV), which is the economic indicator for this assessment. In none of the tested scenarios the NPVs’ are positive and the best result is observed in a PV system installed with battery storage in a roof area of 360 m2, which has a NPV of -82,000 SEK. A sensitivity analysis is done to assess the changes in NPV by varying the input parameters. It is concluded that battery storage is not yet economically viable in a Swedish multifamily house.

Place, publisher, year, edition, pages
2015. , 69 p.
Series
EES Examensarbete / Master Thesis, EGI 2015-100MSC
Keyword [en]
Residential PV, Battery Storage, NPV, Electric Vehicles
National Category
Energy Systems
Identifiers
URN: urn:nbn:se:kth:diva-178795OAI: oai:DiVA.org:kth-178795DiVA: diva2:878776
Subject / course
Sustainable Buildings
Educational program
Master of Science - Sustainable Energy Engineering
Presentation
2015-06-16, Bäckström conference room, Brinellvägen 80, Stockholm, 09:00 (English)
Supervisors
Examiners
Available from: 2015-12-16 Created: 2015-12-08 Last updated: 2015-12-16Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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Output format
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