Influence and Impact of Data Averaging and Temporal Resolution on the Assessment of Energetic, Economic and Technical Issues of Hybrid Photovoltaic-Battery Systems

Burgio, Alessandro; Menniti, Daniele; Sorrentino, N.; Pinnarelli, Anna; Leonowicz, Zbigniew

doi:10.3390/en13020354

Cited by 23 publications

(9 citation statements)

References 41 publications

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“…The main factor influencing the degree of return on investment of the solar collectors application is its purchase price-the lower the price, the quicker rate of return (with similar equipment efficiency) (Burgio et al, 2020). In the domestic market, there are representatives of many companies specializing in solar collectors.…”

Section: Return On Investment Analysesmentioning

confidence: 99%

Analysis of the Return on Investment in Solar Collectors on the Example of a Household: The Case of Poland

Niekurzak

Kubińska-Jabcoń

2021

Front. Energy Res.

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Background: The growing consumption is what drives the development of unsustainable energy and material-intensive production technologies that emit large quantities of pollutants into the atmosphere, water, and land. Obtaining green energy allows reduction of the interference with the environment and, consequently, fits into a sustainable energy development strategy. In order to achieve the emission targets set by the EU for Poland, it is necessary to prioritize the development of renewable energy sources (RES) technologies within the energy sector.Methods: The purpose of the study was to present the results of the research relating to the return on investment of solar collectors for single-family houses in Poland. The research was presented on the basis of the legal conditions applicable to micro installations in the light of the amendment of the RES Act, and the impact of these amendments on the aspects of such investment was determined.Results: On the basis of the constructed economic model used to assess the return on investment of increasing the area of solar collectors, it has been shown that an operating installation will bring measurable economic benefits in the form of reduction in the amount of energy purchased annually in the amount of 6,756 kWh and environmental benefits in the form of reduction of carbon dioxide emissions to the atmosphere 2.4–3.6 Mg per year. An installation subsidized under the “My Electricity” program can reach an NPV of EUR 6,000 over 20 years at a discount rate r = 0 and assuming that the electricity is EUR 0.15/kWh. If the price rises to 0.2 EUR/kWh, the NPV will be 10,000 EUR. For the analyzed installation, the investment consisting in increasing the collector area in accordance with NPV is economically effective for the absorber area in the range of 5.6–7.6 m2 and reaches the maximum value for the absorber area of 6.6 m2, while the absorber area above 7 m2 contributes to reduce the value of the economic return on investment. The obtained results have been generalized, which allows to use them in the process of selecting the size of collector area for similar installations.Conclusion: The return on investment analysis carried out in respect of a detached house allowed to demonstrate that this project is fully justified. Furthermore, pursuant to the Renewable Energy Sources Act in force in Poland, treating a small entrepreneur as a prosumer who may generally take advantage of favorable conditions for discounting the produced energy leads to very favorable possibilities of settling electricity. Considering an entrepreneur as a prosumer who may use one-off depreciation of a solar collectors installation as a fixed asset and request for VAT refund is what makes such an investment very attractive in financial terms and makes it difficult to find a safe investment alternative characterized by such a high rate of return.

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Section: Return On Investment Analysesmentioning

confidence: 99%

Analysis of the Return on Investment in Solar Collectors on the Example of a Household: The Case of Poland

Niekurzak

Kubińska-Jabcoń

2021

Front. Energy Res.

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“…• , €/ ≈ €/ (13) The main factor influencing the degree of profitability of the solar collectors application is its purchase price -the lower the price, the quicker rate of return (with similar equipment efficiency) [27]. On the domestic market there are representatives of many companies specialising in solar collectors.…”

Section: = • •mentioning

confidence: 99%

Evaluation of the Profitability of Using Solar Collectors in Single-Family Housing Industry - The Case of Poland

Niekurzak

Kubińska-Jabcoń

2021

Preprint

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Background: The growing consumption is what drives the development of unsustainable energy and material-intensive production technologies that emit large quantities of pollutants into the atmosphere, water and land. Obtaining green energy allows to reduce the interference with the environment and, consequently, fits into a sustainable energy development strategy. In order to achieve the emission targets set by the EU for Poland, it is necessary to prioritise the development of Renewable Energy Sources technologies within the energy sector.Methods: The purpose of the study is to present the results of the research relating to the profitability of solar collectors investment for single-family houses in Poland. The research was presented on the basis of the legal conditions applicable to micro installations in the light of the amendment of the RES Act and the impact of these amendments on the aspects of the profitability of such investment was determined. Results: On the basis of the constructed economic model used to assess the profitability of increasing the area of solar collectors, it has been shown that an operating installation will bring measurable economic benefits in the form of reduction in the amount of energy purchased from the current supplier and environmental benefits in the form of reduction of carbon dioxide emissions to the atmosphere. The obtained results have been generalised, which allows to use them in the process of selecting the size of collector area for similar installations. Conclusion: The cost-effectiveness analysis carried out in respect of a detached house allowed to demonstrate that this project is fully justified. Furthermore, pursuant to the Renewable Energy Sources Act in force in Poland, treating a small entrepreneur as a prosumer who may generally take advantage of favourable conditions for discounting the produced energy leads to very favourable possibilities of settling electricity. Considering an entrepreneur as a prosumer who may use one-off depreciation of a solar collectors installation as a fixed asset and request for VAT refund is what makes such an investment very attractive in financial terms and makes it difficult to find a safe investment alternative characterised by such a high rate of return.

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“…The performance ratio indicates the overall effect of different losses on the output system due to array temperature and system component inefficiencies of failures, including balance of system components [50]. Moreover, this method is used in different works [51][52][53][54]. PR for conventional photovoltaic systems may be typically in a range from 0.70 to 0.80 in Spain [55].…”

Section: The Photovoltaic Generation Profilementioning

confidence: 99%

Impacts of Array Orientation and Tilt Angles for Photovoltaic Self-Sufficiency and Self-Consumption Indices in Olive Mills in Spain

et al. 2020

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Olive mills are extensive in the Mediterranean Basin, and Spain constitutes approximately 45% of global production. The industrial sector faces a new energetic paradigm where distributed generation provided by small renewable energy sources may reduce the dependence from fossil energy sources as well as avoid energy distribution losses. Photovoltaic self-consumption systems can play an important role in confronting this challenge due to their modularity and their decreasing cost. Most of self-sufficiency energy studies are focused on building sector and discussions about the idiosyncrasy of industrial load profiles, and their matching capability with photovoltaic generation profiles can be scarcely found. This work analyzes the potential of photovoltaic self-consumption systems as a function of the array power, array tilt, and orientation angles to face the electric consumption in olive mills. Different recording intervals and reporting periods are considered. Results show that a self-sufficiency index of 40% may be achieved on olive harvest basis. Moreover, due to the load profile particularities, percentage error lower than 1.6% has been found when considering a recording interval of 60 min when matching the olive load consumption and photovoltaic generation profiles. Chosen array tilt and orientation angles may be key parameters to maximize the self-sufficiency index.

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Influence and Impact of Data Averaging and Temporal Resolution on the Assessment of Energetic, Economic and Technical Issues of Hybrid Photovoltaic-Battery Systems

Cited by 23 publications

References 41 publications

Analysis of the Return on Investment in Solar Collectors on the Example of a Household: The Case of Poland

Analysis of the Return on Investment in Solar Collectors on the Example of a Household: The Case of Poland

Evaluation of the Profitability of Using Solar Collectors in Single-Family Housing Industry - The Case of Poland

Impacts of Array Orientation and Tilt Angles for Photovoltaic Self-Sufficiency and Self-Consumption Indices in Olive Mills in Spain

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