The sizes of Flat Plate and Evacuated Tube Collectors with Heat Pipe area as a function of the share of solar system in the heat demand

Olek, Małgorzata; Olczak, Piotr; Kryzia, Dominik

doi:10.1051/e3sconf/20161000139

Cited by 10 publications

(4 citation statements)

References 10 publications

(17 reference statements)

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“…In addition, the growing demand for energy leads to the depletion of fossil (non-renewable) primary energy resources in a short period of time, which necessitates the development of renewable energy sources, including clean and safe sources such as solar energy. Studies have focused on the efficiency and feasibility of using solar energy (Olek et al 2016). The relevance of solar energy usage has increased under the carbon neutrality challenge.…”

Section: Literature Review 1a Review Of Applications Of Solar Pv Systemsmentioning

confidence: 99%

The economic efficiency of photovoltaic energy for energy prosumers

Olczak¹,

Matuszewska²,

Lishchenko³

et al. 2022

Polityka Energetyczna – Energy Policy Journal

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This article presents an investigation of solar power plants' economic efficiency in the case of energy prosumers. The economic effect of the development of solar energy, the environmental effect of the transition to green energy and the social effect due to lower electricity costs and investment growth from the use of photovoltaic installations (PVI) have been proven. The level of annual savings in PVI due to changes in production and own consumption of electricity are determined. Through use of factor analysis, the grouping method, the method of generalizing indicators, quantitative data collection for solar PV systems and the matrix method, the two main hypotheses were proven: (i) solar energy production should be stimulated by a sound state tariff policy; (ii) prosu-96 mers as players of the electricity market should be considered in the tariff policy. It is revealed that at current interest rates, PVI operational activity is subject to more complex factors, and the main one becomes economic, namely considering the economy of consumers, the level of taxation or grants of PVI activities, as well as productivity and the real state of technical condition of devices. The provided research develops the theoretical and empirical basis for the state policy of solar electricity usage with consideration to the peculiarities of its production and consumption. The process of production and consumption of electricity in PVI is not characterized by uniformity, which is derived from a number of factors, primarily from natural and climatic conditions. It also depends on the technical characteristics of the devices.

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Section: Literature Review 1a Review Of Applications Of Solar Pv Systemsmentioning

confidence: 99%

The economic efficiency of photovoltaic energy for energy prosumers

Olczak¹,

Matuszewska²,

Lishchenko³

et al. 2022

Polityka Energetyczna – Energy Policy Journal

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“…Based on the measured monthly data on energy production from both installations and statistical data on insolation on a horizontal surface and for angles characteristic for the installations under consideration (Figures 8 and 9), the correction factors for multi-year analysis were determined. The method used in calculation had been based on [31,[51][52][53]. In terms of that the following correction factors were determined: insolation coefficient (IJC), changes in insolation for a given direction and angle of panel installation (IDA), solar radiation conversion for the whole year (JSHIA).…”

Section: Annual Energy Gainsmentioning

confidence: 99%

Monofacial and Bifacial Micro PV Installation as Element of Energy Transition—The Case of Poland

et al. 2021

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The several government subsidies available in Poland contributed to an increased interest in PV installations. Installed PV capacity increased from 100 MW in 2016 up to 2682.7 MW in July 2020. In 2019 alone, 104,000 microinstallations (up to 50 kWp) were installed in Poland. The paper determines the energy gain and the associated reduction of CO2 emissions for two types of solar installation located in Poland. The monofacial solar modules with a power of 5.04 kWp (located in Leki) and bifacial solar modules with a power of 6.1 kWp (located in Bydgoszcz). Both installations use mono-crystalline Si-based 1st generation PV cells. With comparable insolation, a bifacial installation produces approx. 10% (for high insolation) to 28% (for low insolation) more energy than a monofacial PV installation. Avoided annual CO2 emission in relation to the installation capacity ranges from 0.58 to 0.64 Mg/kWp for monofacial and from 0.68 to 0.74 Mg/kWp for bifacial and is on average approx. 16% higher for bifacial installations. Cost-benefit analyses were made. For different electricity prices, the NPV for monofacial and bifacial was determined.

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“…Analysing the current situation on the photovoltaic market in European countries with a temperate climate, Poland, immediately after Germany and The Netherlands, has the largest PV market [27]. With an estimated annual insolation value of 1000 kWh/m 2 [28,29], the Polish photovoltaic sector is the fastest-developed renewable energy sector-with a total capacity of micro-installations of 4075.5 MW (data as of 31 June 2021). Comparing this with the total installed capacity as of 30 June 2017, it indicates almost a 25-fold increase in less than 4 years (Figure 2) [30].…”

Section: Introductionmentioning

confidence: 99%

The “My Electricity” Program as One of the Ways to Reduce CO2 Emissions in Poland

et al. 2021

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One way to reduce CO2 emissions is to replace conventional energy sources with renewable ones. In order to encourage prosumers to invest in renewable energy, EU Member States are developing renewable energy subsidy programs. In Poland, in the years 2019–2020, the “My Electricity” program was implemented, co-financing was up to 50% of eligible costs (max PLN 5000, i.e., EUR 1111), and the total cost of the program was 251 million euro. During this period, around 400,000 prosumer installations were created in Poland, including over 220,000 prosumer PV Installations under the My Electricity program. The total power of the installation under the “My Electricity” program was 1.295 GWp with an average installation power of 5.72 kWp. It is estimated that the micro-installations will produce approx. 1.4 TWh of electricity annually. Depending on the replaced source of electricity (coal, gas, mix), in the next 30 years, it will help to avoid 26.2–42.7 million Mg of greenhouse gases calculated as carbon dioxide equivalents (CO2eq). The coefficient of subsidy expenditure from the “My Electricity” program was 194 EUR/kWp, and in the next 30 years, it will be 6.52 EUR/MWh. The investment in PV will save EUR 1550 million, which would have to be incurred for the purchase of CO2 emission permits.

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The sizes of Flat Plate and Evacuated Tube Collectors with Heat Pipe area as a function of the share of solar system in the heat demand

Cited by 10 publications

References 10 publications

The economic efficiency of photovoltaic energy for energy prosumers

The economic efficiency of photovoltaic energy for energy prosumers

Monofacial and Bifacial Micro PV Installation as Element of Energy Transition—The Case of Poland

The “My Electricity” Program as One of the Ways to Reduce CO2 Emissions in Poland

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