{"schemaVersion":"report-figure-v1","report":{"slug":"solar-soiling","title":"Rain, Dust and Soiling: The Cleaning Your Climate Does For Free","url":"https://solaranalytica.com/solar-soiling","datePublished":"2026-05-14","lastReviewed":"2026-07-28"},"figure":{"id":"annual-soiling-loss","title":"Annual soiling loss with no cleaning, selected markets","unit":"%","caption":"Annual energy loss with no manual cleaning. Abu Dhabi and Riyadh are the NREL Middle East lower bound (20%+); Atacama is the Iquique transect point. Sources per market in the table below.","series":[{"label":"Abu Dhabi","value":20},{"label":"Riyadh","value":20},{"label":"Atacama coast","value":18},{"label":"Jakarta","value":8},{"label":"Santiago","value":7},{"label":"Dubai","value":6},{"label":"Perth","value":5},{"label":"Phoenix","value":3},{"label":"Shanghai","value":1.7},{"label":"Berlin","value":1.5}]},"csv":"https://solaranalytica.com/reports/solar-soiling/figures/annual-soiling-loss/data.csv","publicationState":"fixed-edition","boundary":"The figure remains bound to the report edition. A newer upstream release creates a review obligation and never rewrites these rows automatically."}