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Solceller och batterilagring i HFABs klimatsmarta flerbostadshus
Halmstad University, School of Business, Innovation and Sustainability.
Halmstad University, School of Business, Innovation and Sustainability.
2021 (Swedish)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesisAlternative title
PV-cells and storage batteries in HFAB´s climate smart multifamily buildings (English)
Abstract [en]

The degree project was carried out in collaboration with Halmstad Fastighet AB. Two separate buildings with different uses of energy have been analyzed. The focus was on evaluating near-zero energy houses with solar power plants and associated battery storage to investigate profitability and dimensioning to form the basis for future constructions.

Both properties are near-zero energy houses but differ in the use of electrical energy. It is currently unclear how the change in the dimensioning of the solar power plant and the battery storage will affect the profitability of two properties with different uses of energy.

The method was quantitative. Simulation models in the Polysun software were created with the properties' reference house. Based on the simulations, profitability calculations were made to describe the difference in profit when changing the dimensioning.

The work concludes that the total profitability increases with the size of the solar power plant, regardless of energy use, and battery storage is not profitable without price changes.

Abstract [sv]

Examensarbetet gjordes i samarbete med Halmstad Fastighet AB. Två olika fastigheter med olika elanvändning har analyserats, där fokuset låg på att utvärdera nära-nollenergihus med solkraftsanläggningar och tillhörande batterilager för att undersöka lönsamhet och dimensionering som ska ligga till grund för framtida byggnationer. 

Båda fastigheterna är nära-nollenergihus men skiljer sig åt i användning av elenergi. Det är idag oklart hur förändringen av dimensioneringen av solkraftsanläggningen och batterilagret påverkar lönsamheten i två fastigheter med skilda användning av elenergi.

Metoden är av kvantitativ karaktär. Simuleringsmodeller i programvaran Polysun skapades med två fastigheter och dess solkraftsanläggningar med tillhörande batterilager som referens.Utifrån simuleringarna gjordes lönsamhetsberäkningar för att beskriva skillnad i vinst vid förändring av dimensionering.

Slutsatserna av arbetet är att den totala lönsamheten ökar ju större solkraftsanläggningen är oavsett elenergianvändning och batterilagret är idag inte lönsamt utan prisförändringar.

Place, publisher, year, edition, pages
2021. , p. 39
Keywords [en]
Energy technology, PV-cells, battery storage, solarpower, dimensioning
Keywords [sv]
Energiteknik, solceller, batterilager, solenergi, dimensionering
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:hh:diva-44592OAI: oai:DiVA.org:hh-44592DiVA, id: diva2:1561157
External cooperation
HFAB
Subject / course
Energy Technology
Educational program
Energy Engineer - Renewable Energy, 180 credits
Supervisors
Examiners
Available from: 2021-06-09 Created: 2021-06-06 Last updated: 2025-10-01Bibliographically 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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