{"title":"Study on daylighting mode of energy-efficient buildings","authors":"Xiangyong Wu, Zhi Yang","doi":"10.33223/epj/136076","DOIUrl":"https://doi.org/10.33223/epj/136076","url":null,"abstract":"The research considers the aspect of the formation of interior lightning in conditions of extensive expenses on heating. In this regard there is important to study features not only of places and model of lightning, but also generation of heat in order to minimize expenses and find alternative technical solutions for building functioning. The relevance is determined by the fact that the problem of low efficiency of thermal energy used to ensure an appropriate microclimate in buildings is typical for many regions. The purpose of this article is to study features not only of places and model of lighting but also generation of heat to minimize expenses and find alternative technical solutions for building functioning. In the work, the methods of calculation methods and mathematical models such as the exergy model of humans were used. The authors have determined that daylight is only one of the complex solutions of the matter of building energy efficiency. Providing the conditions of heating comfort indoors is not less important in the conditions of increasing requirements to energy conservation. The authors consider the compromise between these two requirements without harming human health the main challenge to the energy conservation specialists. The authors have developed the model, which evaluates not only the achievements of technical parameters, but also orientation toward the model of energy consumption of human. The practical application of the","PeriodicalId":52299,"journal":{"name":"Polityka Energetyczna","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45867675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Land suitability analysis for solar farms exploitation using the GIS and Analytic Hierarchy Process (AHP) – a case study of Morocco","authors":"M. Taoufik, Laghlimi Meriem, Fekri Ahmed","doi":"10.33223/epj/133474","DOIUrl":"https://doi.org/10.33223/epj/133474","url":null,"abstract":"Given Morocco’s geographical position and climatic conditions, solar energy will supply a large portion of the country’s energy demand. In this paper, the suitability of Moroccan lands for hosting Solar Power Plants was studied using the combination of the Geographic Information System (GIS) and the Analytical Hierarchy Method (AHP). The multi-criteria decision framework integrates technical, socio-economic and environmental constraints. For this purpose, a GIS database was created using layers from various sources. In addition, since the potential of Global Horizontal Irradiation (GHI) is the most relevant criterion for the selection of solar farms, a high-quality solar satellite map with a spatial resolution of 0.27 km was used, covering a period from 1994 to 2018. Obtained results show a great potential for solar energy development in Morocco, represented by the availability of 90% of areas. In fact, the resulting map was classified into 6 different classes, namely:","PeriodicalId":52299,"journal":{"name":"Polityka Energetyczna","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49637542","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Regional dependencies of interest in the “My Electricity” photovoltaic subsidy program in Poland","authors":"J. Cader, P. Olczak, Renata Koneczna","doi":"10.33223/epj/133473","DOIUrl":"https://doi.org/10.33223/epj/133473","url":null,"abstract":"In less than a decade, the photovoltaic sector has transformed into a global business. The dynamics of its development vary depending on the country. According to estimates, the value of the photovoltaic micro-installations market in Poland at the end of 2019 exceeded PLN 2.8 billion. In the first half of 2020, the PV sector recorded dynamic growth with a total capacity of the micro-installations of 2.5 GWp. Government subsidies were among the factors contributing to the expansion of the PV sector. In Poland, there are many financial ways to intensify the construction of new renewable energy source installations, among others: feed-in tariff, grants, and loans. An example of photovoltaic grant support in Poland is the “Mój Prąd” [My Electricity] program created in 2019 with a budget of PLN 1.1 billion. The interest in the “My Electricity” program in individual provinces may vary, depending on socio-economic factors, technological and environmental resources, and the level of innovation. The research motivation of this article is a comparison of provinces in Poland according to selected energy, environmental, innovation, and socio-economic indicators and","PeriodicalId":52299,"journal":{"name":"Polityka Energetyczna","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46168789","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Using the R language computing environment in forecasting natural gas consumption","authors":"Tomasz Chrulski","doi":"10.33223/epj/134246","DOIUrl":"https://doi.org/10.33223/epj/134246","url":null,"abstract":"There are many IT tools available on the market that carry out various types of forecasts in the gas industry. Programming evolves with the availability and capability of computers. IT tools support the user in engineering calculations, but also present the obtained results in an interesting visualization, e.g. in the form of interactive charts. The software can support making business decisions, which, in turn, can be used as business intelligence. In the era of digitization, huge metadata of measurements are created, so conducting data analyzes in the energy sector is very common. Moreover, rapidly evolving artificial intelligence creates new opportunities. The article presents a sample analysis of calculations using RStudio, an integrated development environment for the R language, a programming language for statistical calculations and graphics. The aim of the article is to present the possibility of using R language software to make a forecast and to determine the quality of forecasts. The article aims to present the possibility of making forecasts based on mathematical models available in R packages and the possibilities offered by the forecasting platform to readers. The article presents the U.S. market and has a particular focus on Natural Gas Residential Consumption in Pennsylvania (publicly available data from the U.S. Energy Information Administra-","PeriodicalId":52299,"journal":{"name":"Polityka Energetyczna","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45532896","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Diagnostics of the efficiency and assessment of the possibilities of bioethanol production at sugar beet industry enterprises and distilleries in Ukraine","authors":"G. Kaletnik, N. Pryshliak, Y. Palamarenko","doi":"10.33223/epj/135586","DOIUrl":"https://doi.org/10.33223/epj/135586","url":null,"abstract":"In modern conditions of economic globalization, strengthening market relations and aggravated competition, the economic development of an enterprise directly depends on the introduction of innovations. The transition to an innovative path of development requires the enterprise to determine its readiness and assess the possibility of development and the further implementation of innovations. Modern trends in the production of conventional liquid fuels in Ukraine, in particular, analysis of the production of motor gasoline and primary oil refining in Ukraine, the share of motor gasoline produced in Ukraine in the total volume of gasoline used, the volume of bioethanol production by Ukrainian distillery factories have been analyzed in the article. An assessment of the resource production potential for the production of bioethanol in Ukraine has been carried out. Possibilities of bioethanol production in Ukraine at distilleries have been investigated. An analysis of molasses production in Ukraine and theoretically possible volumes of bioethanol production from mo-","PeriodicalId":52299,"journal":{"name":"Polityka Energetyczna","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42408842","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The importance of the renewable energy sector in the opinion of rural and urban youth","authors":"J. Cichowska, Aleksandra Mreła, O. Sokolov","doi":"10.33223/epj/137962","DOIUrl":"https://doi.org/10.33223/epj/137962","url":null,"abstract":"","PeriodicalId":52299,"journal":{"name":"Polityka Energetyczna","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48479997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Willingness to pay for the renewable energy sources of the residents of Kraków and their perception of the actions aimed at reducing the level of environmental pollution","authors":"Łukasz Mamica","doi":"10.33223/epj/135830","DOIUrl":"https://doi.org/10.33223/epj/135830","url":null,"abstract":"Implementing energy transformation through the goal of the more extensive use of renewable energy sources is one of the key tasks on the road to slowing adverse climate change. The pace of this transformation is dependent on both the political decisions and social support for the implemented changes. The indicator of the aforementioned support is the Willingness to Pay for Renewable Energy Sources (WTP) declared by residents. The increase of the WTP value influences a more rapid and wider substitution of non-renewable energy sources with renewable energy sources. The goal of this paper is to analyze the determinants of the WTP indicator on the example of residents of Kraków and their perception of the actions aimed at reducing the level of environmental pollution. Research is based on a survey performed on a representative sample of 393 residents of Kraków, Poland. In the surveyed group of residents, the average monthly willingness to pay more for renewable energy was PLN 83.7, i.e. approx. USD 21.47. The WTP differs in a statistically significant manner depending on the type of housing in which the respondents reside. On average, the residents","PeriodicalId":52299,"journal":{"name":"Polityka Energetyczna","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46956731","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Decarbonization of the energy sector in Greece – is Greek coal mining over?","authors":"Wiktor Hebda","doi":"10.33223/EPJ/133420","DOIUrl":"https://doi.org/10.33223/EPJ/133420","url":null,"abstract":": The following paper presents the process of decarbonization of the energy sector in Greece and points out to different methods the Greek authorities are adopting in order to reduce the emission of greenhouse gases generated by electricity production. Greece is a country which is modernizing its energy sector gradually, yet dynamically. One of the prime aims is to reduce the level of energy produced in coal-fired power plants by focusing on the renewable energy and the gas sector. In 2010 still more than half of the electrical energy was generated by lignite-fired power plants. Almost ten years later the ratio has dropped to only slightly more than 30%. A significant reduction in coal con sumption was possible thanks to investments in renewable energy sources, especially in the wind and solar energy sectors. Both sectors have seen a large increase in production, making renewable energy sources already accounting for over 20% of Greek electricity production. Capital-intensive investments were also made in the country’s gas supply through the expansion of gas-fired power plants and gas transmission networks. As a result, natural gas remains the main source of energy for Greece next to coal. Unfortunately, a big challenge in terms of decarbonization is the need for increased imports of electricity from abroad, due to the 50 to point out to its benefits and dangers. Greek strategy might serve as an example of how to success fully solve the energy issues in the countries with similar energy profile.","PeriodicalId":52299,"journal":{"name":"Polityka Energetyczna","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42773533","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Digital transformation of energy efficiency at Ukrainian NPPs","authors":"V. Stanislavskyi","doi":"10.33223/epj/129007","DOIUrl":"https://doi.org/10.33223/epj/129007","url":null,"abstract":"In this article, the author will try to conditionally transform the energy capacities of NNEGC Energoatom by converting a liability into an asset using the example of bitcoin. With a surplus of nuclear power generation, one of the modern tools for using excess electricity is directing it to cryptocurrency mining. The author of the article will try to calculate the possibilities of Ukrainian NPPs in the cryptoindustry market by analyzing the competitiveness, market trends and the approximate profitability of this kind of activity. The essence of the article lies in the intervention of the state energy giant in completely new activities, partial monopolization of the market and interference in the activities of decentralized cryptocurrencies, as well as the very novelty of combining two different fields of activity and the global nature of the consequences. Mining can be used to convert the underdeveloped electricity or all of Energoatom’s capacities totally, but at the same time it can also affect the cryptoasset market in the field of decentralization, as the primary cost factor to affect the price of assets and allow for obtaining super-profits at a state enterprise. The author of the article tries to understand the profitability of such actions and, in general, to understand the globality of the idea. The results of the entry of the national energy giant into the cryptoasset market will change the global processes in the ecosystem of the cryptoindustry and change the situation both","PeriodicalId":52299,"journal":{"name":"Polityka Energetyczna","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49568583","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}