<p>➀ Fraunhofer IDMT and Silberform AG unveil an acoustic cleaning technology using mechanical vibrations to remove dust from PV modules without water or abrasion, addressing up to 20% energy loss caused by surface contamination;</p><p>➁ The method targets arid regions with water scarcity, highlighting sustainability and low maintenance, with a global PV cleaning market projected to reach $1.85 billion by 2033;</p><p>➂ Funded by Germany's BMWK until 2027, the AkSoRe project combines simulation models and algorithms to optimize vibration parameters, demonstrated live at Intersolar Europe 2025.</p>