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Tétel Szabadon hozzáférhető Energy self-sufficiency of farms in Kosovo(2025) Pestisha, Albiona; Bai, Attila; Ihrig Károly gazdálkodás- és szervezéstudományok doktori iskola; Gazdaságtudományi KarThis dissertation explores the potential for energy self-sufficiency of farms in Kosovo, positioning it within the context of sustainable energy practices. It begins with a systematic review of energy self-sufficiency worldwide, highlighting its role in achieving both environmental and economic sustainability. To assess local perspectives, surveys were conducted among internet-oriented participants and farmers. Results show a high level of awareness of renewable energy sources (RES), with 80–100% of respondents familiar with solar, wind, and hydro power. Farmers demonstrated stronger recognition of solar and wind energy, but comparatively less awareness of hydro. Importantly, most respondents (74.1% of farmers and 76.7% of internet-oriented population) expressed strong intentions to adopt RES in the future, particularly solar panels. Using a Best–Worst Scaling (BWS) approach, findings reveal that reduced energy costs are the strongest driver of adoption, followed by environmental concerns. Overall, economic calculations further suggest that utilizing straw biomass offers a cost-effective heating solution for agricultural needs.Tétel Korlátozottan hozzáférhető Farmers' and internet-oriented population preferences and attitudes for renewable energy in KosovoPestisha, Albiona; Bai, Attila; DE--Gazdaságtudományi KarEnergy is an essential factor for social, economic and industrial development. This sector is highly dependent on the use of coal based thermal power plants for production of electricity in Kosovo. The aim of this thesis was to explore the preferences and attitudes of the internet-oriented population and farmers regarding renewable energy sources (RES) in Kosovo. In the research participated 243 internet-oriented participants and 30 farmers, and the data was gathered through questionnaires and deep interviews. The results showed that the awareness of RES was great for three sources (solar, wind and hydro energy), the relationship between them was very strong and most of the respondents had average knowledge regarding them. In addition, the results showed that biomass sources were highly used from both groups, especially wood and wood pellet. Better education, a higher income and environmental-consciousness are definitely advantages when it comes to the knowledge of RES. Furthermore, males had more knowledge about RES compared with females. In terms of occupation, employed participants had better knowledge than unemployed ones. Moreover, the results showed that the participants take into consideration environmental-friendliness rather than convenience when buying renewable energy equipment.Tétel Szabadon hozzáférhető Farmers' Willingness to Achieve Energy Self-Sufficiency in Kosovo(2025) Pestisha, Albiona; Bai, Attila; Sertolli, Ardit; Bytyqi, Njazi; Balogh, PéterTétel Szabadon hozzáférhető On-Farm renewable energy systems: A systematic review(2023) Pestisha, Albiona; Gabnai, Zoltán; Chalgynbayeva, Aidana; Lengyel, Péter; Bai, AttilaTétel Szabadon hozzáférhető Opportunities for wastewater heat recovery in Hungary and its role in the circular economy(2021-12-22) Gabnai, Zoltán; Németh, Kornél; Péter, Erzsébet; Sertolli, Ardit; Pestisha, Albiona; Mezőfi, Nóra; Bai, AttilaMost of the energy content of wastewater can be found in wastewater heat, however, its recovery is limited. In this article, the current situation, future opportunities of wastewater heat recovery are presented based on secondary data collection, mentioning the constraints and main influencing factors of sustainable implementation of heat recovery systems in Hungary. Besides, the already existing systems are described. As regards the capacities of treatment plants, 103 of the 574 domestic plants have a capacity of over 20,000 Population Equivalent (PE), of which 25 plants have a capacity of over 100,000 PE. According to our calculations, in big cities/capitals (20.000 – 100.000, and over 100.000 inhabitants), it may be possible to recover wastewater heat sustainably in several places. In small towns (5.000 – 20.000 inhabitants), wastewater heat recovery can be technologically and economically sustainable only in the presence of agricultural or industrial plants with high and continuous wastewater feed into the pipeline system. Taking into account the temperature conditions at each place of use and their estimated fluctuations, it can be said that proper, careful planning, sizing and implementation have a crucial effect on the efficiency of microbiological activity in the treatment plants. In bigger cities, of course, the effect of the temperature drop of one main collector may be minimal, however, in smaller and medium-sized settlements, excessive heat extraction may result in complete inhibition or cessation of nitrification. In Hungarian case studies, the maximum acceptable temperature drop is approx. 2-3 °C. It can be stated that energy recovery from wastewater may be very promising considering the size and temperature limitations. Therefore, the rational recovery of wastewater heat can be an important part of the implementation of circular economy and sustainable energy utilization in wastewater management, resulting in significant energy savings and pollutant reduction. JEL CODE: Q25Tétel Szabadon hozzáférhető Opportunities for wastewater heat recovery in Hungary and its role in the circular economy(2021) Gabnai, Zoltán; Németh, Kornél; Péter, Erzsébet; Sertolli, Ardit; Pestisha, Albiona; Mezőfi, Nóra; Bai, AttilaTétel Szabadon hozzáférhető Preferences and knowledge of farmers and internet-orientated population about renewable energy sources in Kosovo(2023) Pestisha, Albiona; Bai, AttilaTétel Szabadon hozzáférhető Prospects for Biomass Heat Energy in Kosovo: Environmental Considerations and Usage Limitations(2025) Sertolli, Ardit; Bai, Attila; Pestisha, Albiona; Balogh, PéterTétel Szabadon hozzáférhető Theoretical and energy biomass potential of heat and electricity production in Kosovo(2023) Sertolli, Ardit; Bai, Attila; Gabnai, Zoltán; Mizik, Tamás; Pestisha, AlbionaTétel Szabadon hozzáférhető Worldwide research trends in agrivoltaic systems: a bibliometric review(2023) Chalgynbayeva, Aidana; Gabnai, Zoltán; Lengyel, Péter; Pestisha, Albiona; Bai, Attila