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Renewable Energy Sources

LEVEL: upper-intermediate


Renewable energy sources are playing an increasingly important role in addressing our global energy needs. They offer sustainable alternatives to traditional fossil fuels and have numerous environmental benefits. Let’s explore some key aspects of renewable energy.

Solar energy is derived from the sun’s radiation and can be converted into electricity or used for heating purposes. Photovoltaic (PV) panels capture sunlight and convert it into usable energy, while solar thermal systems use the sun’s heat for water heating or space heating.

Wind power harnesses the energy from wind to generate electricity. Wind turbines with large blades spin in response to wind currents, driving a generator that produces electricity. Wind farms, consisting of multiple turbines, are often built in areas with consistent wind patterns.

Hydropower, also known as hydroelectric power, utilizes the energy of flowing or falling water. Dams are constructed to capture the force of water and convert it into electricity through turbines. Hydroelectric power is a reliable and widely used renewable energy source.

Biomass energy is generated from organic materials such as plants, agricultural waste, or dedicated energy crops. It can be converted into heat, electricity, or biofuels through processes like combustion or anaerobic digestion.

Geothermal energy harnesses the heat from within the Earth. It involves tapping into underground reservoirs of hot water or steam to generate electricity or for direct heating purposes. Geothermal power plants are often located in areas with volcanic activity or hot springs.

Nuclear energy is a controversial source of power that generates electricity through nuclear reactions. It involves splitting atoms, a process known as nuclear fission, which releases a large amount of energy. Nuclear power plants require careful regulation and management due to safety concerns and waste disposal.


  1. Solar energy – Napenergia
  2. Photovoltaic – Fotovoltaikus
  3. Wind power – Szélenergia
  4. Turbines – Turbinák
  5. Hydropower – Vízerő
  6. Biomass – Biomassza
  7. Combustion – Égés
  8. Anaerobic digestion – Anaerob emésztés
  9. Geothermal energy – Geotermikus energia
  10. Nuclear energy – Nukleáris energia
  11. Nuclear fission – Nukleáris hasadás
  12. Waste disposal – Hulladékkezelés