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The renewable energy sector is one of the fastest growing branches of the economy in the world, including in Poland. Extensive investigation in research centers results in the increased efficiency of obtaining energy from renewable sources, as well as a decrease in the prices of renewable energy installations. The development of renewable energy motivates further research and the development of new technologies. Investments in renewable energy may also benefit the local community by increasing the attractiveness of the region to tourists, creating opportunities for professional activation (especially in areas with high unemployment), increasing the competitiveness of the local economy and its energy efficiency and obtaining raw materials from local producers, mainly farmers, which are an additional source of income for them. Another possible economic advantage is charging lease fees, for instance, for land under wind turbines or fees for ground easement, in order to ensure access to the construction of power lines, e.g., connecting turbines to the grid; lowering heat prices for residents of a given town; building investment plots in or near heat plants and biogas plants, with the provision of heat and electricity at competitive prices directly from these plants; investors covering the costs of modernizing local roads; and creating new transmission, power lines and supply points.
Technology: general issues --- History of engineering & technology --- Environmental science, engineering & technology --- waste management --- energy recovery --- model of energy recovery --- biogas --- fermentation --- combustion --- mini-grids --- energy access --- energy sustainability --- SDG 7 --- energy affordability --- green growth --- sustainable development --- environmental production --- relationships --- multicriteria taxonomy --- renewable energy sources --- household --- primary solid biofuels --- solar thermal system --- ambient pumps --- : CSR strategy --- financial performance --- energy sector --- : gross electricity production --- renewable sources --- energy transformation --- concentrationanalysis --- cluster analysis --- k-means --- European Union --- renewable energy sources (RES) --- the new EU member states --- Ward’s method: alternative energy sources --- photovoltaic systems --- wind systems --- hydropower systems --- biomass systems ---
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The purpose of this Special Issue was to collect and present research results and experiences on energy supply in the Visegrad Group countries. This research considers both macroeconomic and microeconomic aspects. It was important to determine how the V4 countries deal with energy management, how they have undergone or are undergoing energy transformation and in what direction they are heading. The articles concerned aspects of the energy balance in the V4 countries compared to the EU, including the production of renewable energy, as well as changes in its individual sectors (transport and food production). The energy efficiency of low-emission vehicles in public transport and goods deliveries are also discussed, as well as the energy efficiency of farms and energy storage facilities and the impact of the energy sector on the quality of the environment.
Research & information: general --- Physics --- energy supplies --- energy security --- energy market --- EU countries --- Hellwig’s method --- sustainability strategies --- sustainable development --- Visegrád Group --- sustainable strategic management --- the renewable energy sector --- energy use --- structures --- food production systems --- Visegrad Group --- energy mix --- renewables --- energy in transport --- energetic efficiency --- energy sources --- economic growth --- developing and developed countries --- energy sector --- environmental quality --- renewable energy sources (RES) --- nuclear energy --- southeastern Poland --- sustainability --- renewable energy sources --- European Union --- cluster analysis --- Visegrad Group countries --- fuels --- cointegration --- Granger causality --- electricity prices --- households --- directions of price changes --- biogas energy --- solar energy --- hybrid biogas plant --- renewable energy --- circular economy --- off-grid systems --- energy efficiency --- social and economic aspects of energy --- economic efficiency --- low emissions --- zero emissions --- e-commerce --- last mile --- parcel lockers --- efficiency of logistics processes --- economies of scale --- simulation of logistics processes --- COVID-19 --- BESS management --- price arbitration --- shift load --- microgrid
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Distributed generation is becoming more important in electrical power systems due to the decentralization of energy production. Within this new paradigm, new approaches for the operation and planning of distributed power generation are yet to be explored. This book deals with distributed energy resources, such as renewable-based distributed generators and energy storage units, among others, considering their operation, scheduling, and planning. Moreover, other interesting aspects such as demand response, electric vehicles, aggregators, and microgrid are also analyzed. All these aspects constitute a new paradigm that is explored in this Special Issue.
Benders’ decomposition --- distributed generation planning (DGP) --- two-stage stochastic mixed-integer linear programming (MILP) --- renewable energy sources (RES) --- micro-grid --- energy management system --- IEC 61850 --- 5G --- LoRa --- multi-agent system --- isolated AC/DC hybrid microgrid --- two-layer consensus method --- dynamic economic dispatch --- distributed hierarchical strategy --- MILP optimization --- allocation --- renewable energy sources --- system modeling --- energy storages --- energy curtailment --- mathematical programming --- small scale distributed generation --- distribution networks --- active power management --- battery degradation --- electric vehicles --- electric vehicles aggregator --- electricity markets --- stochastic programming --- combined economic emission dispatch --- environment-based demand response --- emission constraints --- penalty factor --- weighting update artificial bee colony --- distribution network planning --- energy storage system --- multi-objective optimization --- optimal location --- risk assessment --- flexibility --- distributed energy resources --- distribution system operators --- local services --- system services --- arbitrage --- frequency control
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In the last two decades, we have witnessed the evolution of the energy sector. Many countries throughout the world have been shifting their energy production methods from fossil fuel use to more environmentally friendly methods. These methods are described by the term “Renewable Energy Methods” and entail the production of energy from Renewable Energy Sources (RES) based on wind, water, biomass, solar energy, and geothermal energy. This shift is mainly driven by the increase in public awareness of environmental problems and climate change, which are both related to the increase in Greenhouse Gas (GHG) emissions. The main goal of this Special Issue is to determine methodologies that can be applied in education in order to raise the awareness of students as well as their families about issues related to renewable sources and energy conservation. Furthermore, the authors studied the factors, parameters, and criteria that affect the decision-making involved in the selection of appropriate types of renewable energy sources in order to select the optimal form, both financially and environmentally. Finally, an attempt is made to recognize methods for communicating the usage of RES and energy savings to the public. Such communication methods are necessary because, in many communities, there are issues surrounding the acceptance of RES installation, as the public considers them to be factors of environmental degradation.
renewable energy --- governance --- community energy --- citizens’ energy companies --- actor plurality --- acceptance --- energy transition --- auction scheme --- Germany --- Building Integrated Photovoltaic (BIPV) --- barriers --- sustainability --- multi-functionality --- proposal --- educative-communication approach --- sustainable agriculture --- negative externalities --- GHG emissions --- NARDL model --- Renewable Energy Enterprises --- Internet --- benchmark --- education for sustainable development --- environmental protection --- curriculum --- teacher --- renewable resources --- natural gas --- energy market --- customer satisfaction --- industrial customers --- multicriteria analysis --- Renewable energy sources --- energy poverty --- citizen attitudes --- Thessaloniki --- marine renewable energy --- co-existence --- co-location --- Dempster Shafer Analytic Hierarchy Process --- multi-criteria analysis --- environmental Kuznets curve --- deforestation --- ARDL with bounds test --- willingness-to-invest --- energy investments --- renewable energy sources (RES) --- perceptions --- attitudes --- department of forestry --- environmental science --- university students --- decision-making --- education --- communication --- investments --- policy --- RES
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This book is a printed version of the papers published in the Special Issue “DC & Hybrid Microgrids” of Applied Sciences. This Special Issue, co-organized by the University of Pisa, Italy and Østfold University College in Norway, has collected nine papers and the editorial, from 28 submitted, with authors from Asia, North America and Europe. The published articles provide an overview of the most recent research advances in direct current (DC) and hybrid microgrids, exploiting the opportunities offered by the use of renewable energy sources, battery energy storage systems, power converters, innovative control and energy management strategies.
energy management strategy (EMS) --- distributed generator (DG) --- state of charge (SoC) --- circuit breaker (CB) --- standard test condition (STC) --- photovoltaic (PV) --- solar --- microgrid --- droop control --- patrol base --- islanded DC microgrid --- battery-only operation --- constant power load --- CPL --- floating DC bus --- stability criterion --- power management --- AC/DC distribution network --- distributed generator --- planning --- timing characteristics --- genetic-ant colony hybrid algorithm --- forest microgrid --- biomass energy --- operation mode-based sectional coordinated control --- hybrid energy storage --- predictive control --- inertia improvement --- unbalanced electric bridge --- DC insulation monitoring --- ground capacitance --- three-point climbing algorithm --- islanding detection --- DC grid --- active islanding detection method --- injected signal cancellation --- multi-distributed generations --- perturbation signal --- photovoltaic system --- direct current (DC) microgrid --- stability --- constant power loads --- large transmission line inductive --- simplified circuit model --- virtual negative inductance --- micro-grid --- hybrid micro-grid --- smart grid --- battery energy storage --- renewable energy sources (RES) --- hybrid vehicles (HEV) --- full-electric vehicles (EV) --- Bidirectional converters --- direct current (DC) grid --- hybrid microgrid --- bidirectional converters
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With the announcement of the European Green Deal, which defines a set of policy initiatives aimed at achieving a 50–55% reduction in carbon emissions by 2030 and making Europe climate neutral in 2050, the challenge of energy transition becomes even more critical. The transformation of national energy systems towards sustainability is progressing throughout all Central and Eastern European (CEE) countries, yet the goals and results are different. Most EU Member States have made substantial progress towards meeting their long-term commitments of emissions reductions. However, some bloc members have struggled to meet their obligations. An effective energy transition requires the introduction of appropriately designed policy instruments and of robust economic analyses that ensure the best possible outcomes at the lowest costs for society. In this context, this Special Issue aims to bring into the discussion the challenges that CEE countries have to face and overcome while undergoing energy transition.
climate change --- food security --- grand challenges --- multiple factor analysis --- regional studies --- renewable energy --- sustainable development goals --- support systems --- energy policy --- cogeneration --- capacity market --- individual cogeneration premium --- trade globalization --- financial globalization --- CO2 emissions --- real GDP per capita --- bootstrap panel Granger causality --- EU transition economies --- photovoltaics --- renewable energy sources --- “My Electricity” --- renewable energy policy --- Poland --- “Mój Prąd” --- grant --- renewable energy grants --- renewable energy support --- economic appraisal --- social discount rate --- Ramsey formula --- consumption rate of interest --- social opportunity cost --- renewable energy sources (RES) --- green energy transformation --- sustainable development --- energy cooperatives --- coopetition --- Renewable Energy Communities --- management --- households --- energy consumption --- platform --- EU ETS --- CO2 --- emissions trading --- energy companies from Central and Eastern Europe --- decarbonisation --- energy transition --- low-carbon technology --- climate and energy policy --- indicators --- biomass --- electric vehicle --- electromobility --- energy balance --- efficiency engines --- clustering --- charging stations --- data analysis --- hydrogen cells --- energy law --- customer preferences --- electric car --- PHEV --- driving technique --- limestone sorbents --- flue gas desulphurisation --- FGD gypsum --- coal-fired power plants --- climate policy --- capacity adequacy --- linear programming --- COVID-19 pandemic --- lockdown --- electricity demand profiles --- Polish energy mix --- energy transition in Poland --- social acceptance --- carbon emissions --- fleet electrification --- sustainable mobility --- fleet management --- energy mix --- onshore wind --- risk assessment --- cash-flows --- discount rate --- cost of capital --- cost of equity --- district heating --- decarbonization --- energy efficiency --- Hubgrade --- remuneration mechanism --- power generation --- new investments --- combined heat and power --- optimization --- thermal energy storage --- uncertainty
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