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Analysis of the renewable energy support schemes in the EU: Can be an ECOlogical also an ECOnomical?
Andoková, Senta ; Cahlík, Tomáš (advisor) ; Rečka, Lukáš (referee)
The study compares FIT (Feed-in tariff) and RPS (Renewable Portfolio Standard) as the two most commonly used support schemes for renewable energy sources (RES) in the EU. It examines a relationship of an Environmental Kuznets Curve (EKC) and by a practical experiment for public lighting in Prague the study proposes an ecological functioning of electricity grids in the EU with CO2 emissions reduction effect. The main contribution lies in the recency and originality of the econometric analysis and practical experiment. FIT and RPS analysis demonstrates that both schemes affect demand for electricity and increase its price. The econometric model was tested for 28 EU countries for 1990-2013. The results say that the EU is currently located on the downslope of the inverted U-shaped EKC with a turning point, after which the dependence begins to grow. Nevertheless, for the most of observations the turning point is too far to be a source of concern. Practical experiment has shown that installation of energy saving devices for electricity grids in the EU can bring satisfactory results in reducing CO2 emissions independently of state aid. More efficient use of existing energy sources, however, should rather serve as a complement to conventional support, phasing out with the development of RES technologies....
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Ekonomické dopady podpory výroby energie z fotovoltaických článků v České republice
Krška, Štěpán ; Hrubý, Zdeněk (advisor) ; Cahlík, Tomáš (referee)
v Abstract The bachelor's thesis focuses on the generation of energy from photovoltaic cells in the Czech Republic and calculation of costs resulting from a support of renewable energy sources. Second part, following a short introduction, contains a brief description of the energy market in the Czech Republic and definitions of renewable energy sources. Third part covers photovoltaic energy in general. It deals with its historical development, technology and potential in the Czech Republic. Fourth part concerns with a legislation and contains a basic overview of the energy legislation of the Czech Republic and the European Union. Fifth part elaborates on the potential of other renewable sources in the Czech Republic and based on expert studies outlines their possible future development. Sixth part comments on the situation of photovoltaics in other states and brings a view of the support of renewable sources in Germany, Spain and Italy. Seventh (analytical) part deals with an analysis and calculations of the costs of the support of individual renewable sources including photovoltaics, cogeneration and secondary resources. The thesis is ended with a conclusion summarising the main results of the work.
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Coal-fired power plants: cheap electricity vs. clean environment
Krydl, Ondřej ; Loužek, Marek (advisor) ; Kozák, Jan (referee)
The aim of this thesis is to analyze the importance of coal-fired power plants on the market of electric energy, with emphasis on aspects that fundamentally affect their production. Coal-fired power plants belongs nowadays among socially unpopular source of electricity. In recent decades intensively growing interest groups that support state intervention and regulation of the energy sector. This is essentially a massive promotion of renewable energy sources at the expense of fossil fuel plants. Analysis of individual power sources shows that despite the current restrictive measures imposed on power plants burning fossil fuels, and especially coal-fired power plants, electricity produced from coal resources is still competitive, despite some drawbacks has many positive qualities. Coal-fired power plants produce higher amounts of greenhouse gases and other pollutants than other types of power plants. On the other hand, they are able to provide a stable supply of electricity to transmission network, and thus partially offset the high volatility of electricity supply from renewable energy sources. The price of electricity from coal-fired power plants could be considered as relatively low in comparison with other energy sources. The analysis shows that in terms of practical economic policy is not economically justified to reduce the proportion of coal-fired power plants in the total production of electricity.
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Project of family farm as closed economic unit
Jakubčík, Václav ; Pazderů, Kateřina (advisor) ; Zdeněk, Zdeněk (referee)
The diploma thesis deals with the family farm, which deals with fast growing trees cultivation. Business plan for my firm is the operation of the cogeneration unit and ensuring its self-sufficiency. The intention is that the family farm should produce more than half the biomass for cogeneration units.
Diploma thesis works with providing services in processing of logging residues, removing seeding trees and transportation. All this in order to obtain sufficient quantities of the commodity for the operation of boiler plants with cogeneration unit. Further outputs are addressed including the use of waste heat. Necessary support in planning the boiler room is the SWOT analysis. Conclusion of SWOT analysis clearly support the business plan for hte operation of a family farm.
Another key factor, that motivates me to expand current boiler room is a continuously rising electricity price. I suppose part of the generated electric power will be used for wood drying, the rest of the energy power is supposed to be sold to CEZ. Revenue from electricity sales should improve my Cash-Flow.
An important source of energy is a waste hot water that will be used for heating lumber drying, rabbit slaughterhouses of Rabbit firm. The rest of hot water waste will be used for heating workshops and residential buildings around.
The main incentive for founding a family farm is request to have enough fuel for the cogeneration unit also in case of external source shortage. The target is to ensure fluent economic operation of whole technological equipment.
My target is an overall economic assessment of the project for extracting of biomass from various sources. After an overall assessment we got conclusion, that the project can be profitable especially due to own production. Services provided by my farm creates significant additional value.
For family farm founding motivates me also unemployment of several family members.
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Production of electric energy in Czech republic
Skružný, Matouš ; Grosz, Jan (advisor) ; Köppelová, Jana (referee)
This Bachelor thesis deals with the production of electricity in the Czech Republic. The search part is focused on describing the different sources of electricity production and the characteristics of the sources in the Czech Republic. In the practical part is sequentially compared the total electricity production in the Czech Republic and the EU per capita, compared to European countries, according to the sources of production, comparison of electricity prices in Europe for households and industrial enterprises and other comparisons in the field of energy in the Czech Republic, the EU and other European countries. Furthermore there is verification of the renewable and nonrenewable sources electricity by using the correlation coefficient. The last part is the forecast of electricity production in the EU, using time series analysis.
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Compare prices of electricity from nuclear power and renewable energy sources
Sláma, Miloslav ; Varmuža, Jan (referee) ; Radil, Lukáš (advisor)
This work deals with the components that that creates price of electricity and the regulation of electricity prices. It explains methods of regulation, setting electricity prices. It examines the factors that affect it. It also deals with the calculation of the price of electricity from various energy sources. It studies Support RES system, the conditions for obtaining and statistical data on development aid. It adds alternative sources of energy and their future and security.
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Partial Solution of Hybrid System with Low-Temperature Fuel Cells and Renewable Sources
Ptáček, Michal ; Mišák, Stanislav (referee) ; Tlustý,, Josef (referee) ; Matoušek, Antonín (advisor)
The thesis deals with the principle functions of low-temperature fuel cells with proton exchange membrane (PEMFC), photovoltaic sources (PVPP) and wind energy sources (WPP), along with solving their detailed mathematical expressions. In this work, the individual sources and their simulated models are analyzed in depth. The actual simulation is preceded by familiarization with important historical milestones in the development of fuel cells. Furthermore there is a basic classification of fuel cells and the characteristics of the cells used in the energy sectors. The text also provides information on projects that address the implementation of PEMFC as a primary or supplementary source of energy. Along with outlining the options for PEMFC as a perspective hydrogen technologies in the near future, the basic methods of hydrogen production and storage options are presented for the complexity. The work is exclusively focused on improving PEMFC mathematical models that under the hybrid system cooperate with renewable energy sources (RES). Part of the theses contains a short review of run or modeled concepts of hybrid systems in the energy sector. Using these models the main deficiencies of the models or of the whole PEMFC system can be identify. Specifications of the deficiencies lead to the creation of a new advanced dynamic PEMFC model that allows an analysis of the development of electrical and non-electrical quantities using long term tests. Furthermore, the thesis presents results of the experiments of thermal and dynamic behavior PEMFC, which were obtained from the additionally extended model with a reformer and the DC/DC converter. In this text there is a model of a photovoltaic module created, which is based on the nominal values parameterization. The model is subjected to basic experiments in which measured hydrometeorological data are used. If the hybrid system utilizes renewable energy sources, it is good to know the evolution of atmospheric conditions in the installation of these resources. Specifically for PVPP, publicly available databases containing information about solar radiation levels can be used for the selected location. Public databases are often used for initial design and manufacturing options for PVPP. An evaluation of the relevancy of public databases is performed based on a long-term observation of real measured data. Furthermore, these data are used for experiments on the photovoltaic module. Partially the text addresses the issue of the wind energy sources, however, it is simulated only on a simplified model of WPP. Created models of subsystems can be generally implemented as partial inputs hybrid systems in the future work. The thesis was developed at Centre for Research and Utilization of Renewable Energy (CVVOZE) with the financial support of the National Programme for Sustainability and the Ministry of Education, Youth and Sports of the Czech Republic under the project no. LO1210 - Energy for Sustainable Development and the project no. FEKT-S-14-2520 - New Technologies for Sustainable Development of Electrical Power Systems. The thesis was also generated under the project no. TA03020523 - Dynamic model of distribution network with the financial support of Technology Agency of the Czech Republic.
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Fossil fuels substitution in large combustion plant
Hájek, Zdeněk ; Popela, Pavel (referee) ; Touš, Michal (advisor)
The thesis aims at current issues of using renewable resources here in the Czech Republic, mainly on biomass co-firing with fossil fuels in large combustion plant. The introduction provides an overview of systems for biomass co-firing. Further the using of optimization for solution problem of integration biomass fuels into existing large combustion plants and planning its operation conditions is presented. The main point of this thesis lies in creating of a user interface for modeling and optimization tool. Its functionality will be proved by solving a case study involving the analysis of possibilities for replacing fossil fuels due to the limited availability of coal in the market.
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Cogeneration influence on power industry and power market in Czech Republic
Dudáš, Michal ; Cerman, Marek (referee) ; Macháček, Jan (advisor)
The main goal of this master’s thesis is to find out the impact of future development in combined heat and power technologies, especially the impact on power market in Czech Republic regarding to historical development of photovoltaics and subsidy policy. There are three scenarios of installed power growth designed including calculations of renewable energy source financial fee as well as overall evaluation. The paper also deals with current status of combined heat and power technologies in Czech Republic, European Union and USA as well as legislature framework of CHP in Czech Republic and EU. There are also kinds of state grants described. In economical part of the paper there are NPV’s of particular cogeneration units calculated. The calculations were made both with current investment costs and reduced investment costs.
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The future of conventional energetics in the Transformation to a low carbon EU economy
Szarvasová, Jana ; Vondrušková, Barbora (advisor) ; Machytka, Daniel (referee)
Thesis has the aim to explore by usage of problem of global warming the interaction between two decarbonisation instruments of the European economy. The first instrument is the European emissions trading system, and the second one is a binding target share of renewable energy sources in the final energy consumption by 2020 distributed to national commitments. The thesis is divided into four chapters: the first one describes the issue of global warming, the second one characterizes the EU ETS, and third one shows the implementation of RES and the last chapter explores the interaction of the EU ETS and RES.
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