Evaluation of Photovoltaic and Battery Storage Effects on the Load Matching Indicators Based on Real Monitored Data

Sofiane Kichou, Nikolaos Skandalos and Petr Wolf
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Sofiane Kichou: University Centre for Energy Efficient Buildings, Czech Technical University in Prague Třinecká 1024, 273 43 Buštěhrad, Czech Republic
Nikolaos Skandalos: University Centre for Energy Efficient Buildings, Czech Technical University in Prague Třinecká 1024, 273 43 Buštěhrad, Czech Republic
Petr Wolf: University Centre for Energy Efficient Buildings, Czech Technical University in Prague Třinecká 1024, 273 43 Buštěhrad, Czech Republic

Energies, 2020, vol. 13, issue 11, 1-20

Abstract: This paper reports on the electrical performance of two bloc-of-flats buildings located in Prague, Czech Republic. Measured data of electrical consumption were used to investigate the effect of photovoltaic (PV) and battery energy storage system (BESS) systems on the overlap between generation and demand. Different PV array configurations and battery storage capacities were considered. Detailed solar analysis was carried out to analyze the solar potential of the building and to assess the PV electricity production. The evaluation of the building performance was done through MATLAB simulations based on one-year monitored data. The simulation results were used for the calculation of the load matching indices: namely, the self-consumption and self-sufficiency. It was found that optimized array tilt and orientation angles can effectively contribute to a better adjustment between electricity demand and solar PV generation. The addition of a façade PV system increases significantly the PV generation and thus the load matching during winter months. Mismatch is further reduced by using the energy flexibility provided by the BESS. Depending on the PV size and BESS capacity, the self-consumption and the self-sufficiency of the building could increase from 55% to 100% and from 24% up to 68%, respectively.

Keywords: photovoltaics; battery storage; electrical consumption; solar analysis; load matching indicators (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (7)

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