The document discusses alternative energy sources in the Czech Republic, including hydro, wind, solar, biomass, and biogas. Hydro energy comes from major dams like Orlík and Slapy as well as new storage hydro plants. Solar farms use countless photovoltaic panels. Wind energy requires altitude over 600 meters and is found in places like Jesenicko. Biomass combustion produces minimal CO2 and can be utilized at home, powering over 120,000 homes. Biogas produces electrical energy and heat from stations like Cicov, powering several thousand homes.