Renewable Energies: Understanding for Choice

This lecture covers the concepts of renewable and non-renewable energies, focusing on solar, hydropower, wind, biomass, and geothermal energy. It explains the difference between renewable and non-renewable energies based on generation and consumption times. The primary source of energy, the Sun, is discussed in detail, along with its various applications such as solar thermal and photovoltaic technologies. The lecture also explores the energy potential in Switzerland for solar and wind power, as well as the utilization of biomass and geothermal energy. Concluding remarks emphasize the importance of renewable energies in the Swiss energy transition, highlighting the need for sustainable resource management.