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Employing Battery Storage to Increase Photovoltaic Self-sufficiency in a Residential Building of Sweden
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology, Energy Processes.ORCID iD: 0000-0001-8271-7512
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology, Energy Processes.
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology, Energy Processes.ORCID iD: 0000-0003-0300-0762
2016 (English)In: CUE 2015 - APPLIED ENERGY SYMPOSIUM AND SUMMIT 2015: LOW CARBON CITIES AND URBAN ENERGY SYSTEMS, Elsevier, 2016, 455-461 p.Conference paper, Published paper (Refereed)
Description
Abstract [en]

Photovoltaic (PV) or hybrid PV-battery systems are promising to supply power for residential buildings. In this study, the load profile of a multi apartment building in Gothenburg and the PV production profile under local weather conditions are compared and analyzed. Three different types of batteries, including lead acid, NaNiCl (Sodium-Nickel-Chloride) and Lithium ion, are studied in combination with the PV systems. It is found that Lithium ion battery system is superior in achieving higher Self-Sufficiency Ratio (SSR) with the same Life Cycle Cost (LCC). Achieving high SSR with the hybrid PV-battery system is unrealistic because of the seasonal mismatch between the load and electricity production profile. The capacity match between the PV and battery to maximize SSR was investigated, showing different trends under system LCC range of 0.1-40 Million SEK (1SEK approximate to 0.12USD). The system LCC should be lower than 10.6 Million SEK (at the SSR of 36%) in order to keep the payback time positive.

Place, publisher, year, edition, pages
Elsevier, 2016. 455-461 p.
Series
Energy Procedia, ISSN 1876-6102 ; 88
Keyword [en]
photovoltaic, battery, storage, self-sufficiency, building
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-197824DOI: 10.1016/j.egypro.2016.06.025ISI: 000387975200071Scopus ID: 2-s2.0-85007524814OAI: oai:DiVA.org:kth-197824DiVA: diva2:1060028
Conference
Applied Energy Symposium and Summit - Low Carbon Cities and Urban Energy Systems (CUE), NOV 15-17, 2015, Fuzhou, PEOPLES R CHINA
Note

QC 20161227

Available from: 2016-12-27 Created: 2016-12-08 Last updated: 2017-04-10Bibliographically approved

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CiteExportLink to record
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