Header

Search

Quiz: Energy Facts and Figures

How much electricity is generated from hydropower? How many batteries are recycled? And what has been the increase in electric car registrations? Put your knowledge to the test by taking our energy quiz* about facts and figures from Switzerland.

by Karin Köchle
dam
Lac d'Emosson is a reservoir in the canton of Valais. It has a water storage volume of 227 million m³. (Photograph: Adobe Stock)

Quiz: Energy Facts and Figures

  1. Question 1 of 9
    wind turbine

    1. How much of the electricity supplied to consumers came from wind power in 2020?

    • ✓ Correct (Image: Alamy)

    • ✘ False (Image: Alamy) The correct answer is 1.4%.

  2. Question 2 of 9
    batteries

    2. About 120 million batteries are sold each year. How many of them are recycled?

      • ✓ Correct (Image: Alamy)

      • ✘ False (Image: Alamy) The correct answer is 68%.

    • Question 3 of 9
      solar panel

      3. What was the increase in energy harvested by photovoltaic systems between 2020 and 2021?

        • ✓ Correct (Image: Adobe Stock)

        • ✘ False (Image: Adobe Stock) The correct answer is 9.4%.

      • Question 4 of 9
        umbrella heater

        4. How much will a household’s electricity consumption decline in response to a 10% rise in gas prices?

          • ✓ Correct (Image: Alamy)

          • ✘ False (Image: Alamy) The correct answer is 7%.

        • Question 5 of 9
          charging plug for electric cars

          5. What was the rise in the number of registered electric cars between 2011 and 2021?

            • ✓ Correct (Image: Adobe Stock)

            • ✘ False (Image: Adobe Stock) The correct answer is 6626%.

          • Question 6 of 9
            TV remote control

            6. The energy efficiency of consumer electronics has improved in recent years. By how much did it increase between 2000 and 2020?

              • ✓ Correct (Image: Alamy)

              • ✘ False (Image: Alamy) The correct answer is 55%.

            • Question 7 of 9
              radiator

              7. How much energy can be saved by a 1–2°C reduction in a household’s room temperature and by short bursts of ventilation?

                • ✓ Correct (Image: Alamy)

                • ✘ False (Image: Alamy) The correct answer is 15%.

              • Question 8 of 9
                hydro turbine

                8. How much electricity was generated from hydropower in 2021?

                • Question 9 of 9
                  LED bulb

                  9. LED bulbs use less electricity than halogen bulbs to produce the same amount of light. How much energy can they save?

                    • Correctly answered questions:

                    Rank:

                    * All data refers to Switzerland. Data sources: de.statista.com, Swiss Federal Office of Energy (SFOE), Swiss Federal Office for the Environment (FOEN), amphiro.com, ETH researchers

                    Further information

                    Similar topics

                    Leave a comment

                    We are happy if you comment on articles on ETH channels, ask questions or respond to comments from other readers. Please note our comment policy when doing so.

                    No comments yet