The Impact of Energy Storage on the Efficiency of Photovoltaic Systems and Determining the Carbon Footprint of Households with Different Electricity Sources

Patrycja Walichnowska (), Weronika Kruszelnicka (), Andrzej Tomporowski and Adam Mroziński
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Patrycja Walichnowska: Faculty of Mechanical Engineering, Bydgoszcz University of Science and Technology, al. Prof. S. Kaliskiego 7, 85-796 Bydgoszcz, Poland
Weronika Kruszelnicka: Faculty of Mechanical Engineering, Bydgoszcz University of Science and Technology, al. Prof. S. Kaliskiego 7, 85-796 Bydgoszcz, Poland
Andrzej Tomporowski: Faculty of Mechanical Engineering, Bydgoszcz University of Science and Technology, al. Prof. S. Kaliskiego 7, 85-796 Bydgoszcz, Poland
Adam Mroziński: Faculty of Mechanical Engineering, Bydgoszcz University of Science and Technology, al. Prof. S. Kaliskiego 7, 85-796 Bydgoszcz, Poland

Sustainability, 2025, vol. 17, issue 6, 1-16

Abstract: The article designs a home photovoltaic installation equipped with energy storage using PVSyst software 7.4. The aim of the research was to design and select an energy storage for a household that uses an average of 396.7 kWh per month. The designed PV installation system was characterised by a significant share of stored energy—at the level of 32%, which allows the household to reduce energy consumption from the power grid. The results of the analysis showed that the use of energy storage increases leads to a reduction in energy losses and improves the energy self-sufficiency of the facility. The article also compared, using the IPCC 2013 GWP 100a and IMPACT World+ methods, three variants of households with different energy sources. It was shown that a household using the national energy mix generates a significant carbon footprint, higher compared to variants powered by renewable energy. The study showed that obtaining energy from renewable sources reduces the potential negative impact of energy consumption on the environment.

Keywords: solar energy; energy storage; environment analysis; carbon footprint (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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