Solar energy

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Across
  1. 2. What is the main environmental benefit of solar energy?
  2. 6. What is the lifespan of most solar panels?
  3. 7. How is the solar energy created?
  4. 8. What type of renewable energy uses the sun's heat?
  5. 10. What do you call energy from the sun?
  6. 11. What is the main challenge of solar energy at night?
  7. 12. What can affect the performance of solar panels?
  8. 13. What term describes the energy output of solar panels?
  9. 16. What does the sun provide?
  10. 18. What is needed to convert DC to AC power?
  11. 19. What is a common use of solar thermal energy?
Down
  1. 1. What reduces the efficiency of solar panels?
  2. 3. What type of energy do solar panels produce?
  3. 4. What is the main benefit of solar energy?
  4. 5. What type of roof is best for solar panels?
  5. 9. What sector can benefit greatly from solar energy?
  6. 14. What device stores solar energy for later use?
  7. 15. What country is the largest producer of solar panels?
  8. 17. What is a common use of solar thermal energy?