Learning outcomes of the course unit The subject of source and energy conversion is to acquaint students with primary and secondary energy sources, with methods of their transformation and consumption. Content of lectures: Overview of non-renewable and renewable energy sources, introduction to world reserves of fossil fuels, their properties and utilization. Primary energy sources for the Czech Republic. Consumption of energy resources. Theoretical principles of energy conversion into final consumption. Thermal cycles. Utilization of nuclear energy. Biomass, its use. Solar energy, systems design, wind power and small water power stations. The energy plants operated in the Czech Republic and their main components are presented. Electro-energetics of the Czech Republic is presented, including the flexibility of individual types of sources including the indication of environmental impacts. Current trends in the energy sector are continuously commented within the course.