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Egypt’s Self-Cleaning Solar Panels Keep Dust Away — Pyramids visible over buildings and street traffic

Egypt’s Self-Cleaning Solar Panels Keep Dust AwayCEFR B1

21 Oct 2025

Adapted from Hazem Badr, SciDev CC BY 2.0

Photo by kai muro, Unsplash

AI-assisted adaptation of the original article, simplified for language learners.

Egyptian researchers have created innovative solar panels that clean themselves. The design is inspired by nature, specifically how tree leaves shed dust. In regions with a lot of dust, traditional solar panels often lose efficiency due to dirt buildup. The self-cleaning technology uses mechanical vibrations to shake off dust.

The system operates twice a day, significantly reducing the cost and frequency of manual cleaning. This approach allows solar energy systems to maintain their efficiency with less maintenance. While trials show that these panels are performing well, the overall economic viability compared to regular cleaning is still being assessed.

Additionally, researchers have developed a wind-driven version. This uses air movement to clean the panels naturally, offering further promise for sustainable energy solutions in desert conditions.

Difficult words

  • panelA flat surface for collecting energy.
    panels
  • energyThe ability to do work or cause change.
  • cleanTo remove dirt or impurities.
    cleaning, self-cleaning
  • efficiencyEffectiveness in achieving a result.
  • technologyTools and methods for solving problems.
  • researcherA person who studies a subject in depth.
    researchers

Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.

Discussion questions

  • What are the benefits of self-cleaning technology in solar panels?
  • Why is it important to maintain efficiency in solar energy systems?
  • How might weather conditions affect solar panel performance?

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