Optimization of self-consumption and techno-economic analysis of PV-battery systems in commercial applications

Ghada Merei, Janina Moshövel, Dirk Magnor and Dirk Uwe Sauer

Applied Energy, 2016, vol. 168, issue C, 178 pages

Abstract: Increasing costs of electricity supply from the local grid, the decreasing photovoltaic (PV) technology costs and the decreasing PV feed-in-tariff according to the current German Renewable Energy Sources Act (EEG) will in the future raise the monetary incentives to increase the self-consumption of PV energy. This is of great interest in commercial buildings as there mostly is sufficient place to install high capacities of photovoltaic panels on their own roofs. Furthermore, the electricity purchase price from the local grid for commercial consumers nowadays is about 20€ct/kWh, which is higher than the cost of generation of electricity from solar panels (about 8–12€ct/kWh). Additionally, the load profiles in commercial applications have a high correlation with the generated solar energy. Hence, there is a great opportunity for economic savings.

Keywords: PV system; Commercial application; Self-consumption; Battery storage (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (68)

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DOI: 10.1016/j.apenergy.2016.01.083

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