How Does the Electricity Demand Profile Impact the Attractiveness of PV-Coupled Battery Systems Combining Applications?

Article Article scientifique Article How Does the Electricity Demand Profile Impact the Attractiveness of PV-Coupled Battery Systems Combining Applications? eng 2020 author Pena Bello Alejandro 0000-0001-5518-8467 819074 author Barbour Edward author Gonzalez Marta C. author Yilmaz Selin 835190 author Patel Martin 810106 Martin Kumar Patel author Parra Mendoza David 828290 4038 10.3390/en13154038 1996-1073 https://www.mdpi.com/1996-1073/13/15/4038 Energy storage is a key solution to supply renewable electricity on demand and in particular batteries are becoming attractive for consumers who install PV panels. In order to minimize their electricity bill and keep the grid stable, batteries can combine applications. The daily match between PV supply and the electricity load profile is often considered as a determinant for the attractiveness of residential PV-coupled battery systems, however, the previous literature has so far mainly focused on the annual energy balance. In this paper, we analyze the techno-economic impact of adding a battery system to a new PV system that would otherwise be installed on its own, for different residential electricity load profiles in Geneva (Switzerland) and Austin (U.S.) using lithium-ion batteries performing various consumer applications, namely PV self-consumption, demand load-shifting, avoidance of PV curtailment, and demand peak shaving, individually and jointly. We employ clustering of the household's load profile (with 15-minute resolution) for households with low, medium, and high annual electricity consumption in the two locations using a 1:1:1 sizing ratio. Our results show that with this simple sizing rule-of-thumb, the shape of the load profile has a small impact on the net present value of batteries. Overall, our analysis suggests that the effect of the load profile is small and differs across locations, whereas the combination of applications significantly increases profitability while marginally decreasing the share of self-consumption. Moreover, without the combination of applications, batteries are far from being economically viable. PV Energy storage Battery Lithium-ion Combination of applications Clustering Load profile Dewey 333.7-333.9 Dewey 550 18 Institut des sciences de l'environnement 0DB 41 Département F.-A. Forel des sciences de l'environnement et de l'eau 153 false 935 Energy efficiency Energies 13 15 44306d2e-1d5d-4b2c-9f6a-79052632adbe Article (Published version) Public 10.3390en13154038.pdf 693535 application/pdf OA OTHER openAccess Centres et instituts / Institut des sciences de l'environnement Faculté des sciences / Section des sciences de la Terre et de l'Environnement / Département F.-A. Forel des sciences de l'environnement et de l'eau

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How Does the Electricity Demand Profile Impact the Attractiveness of PV-Coupled Battery Systems Combining Applications?	Energies			2020	224	285

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