Challans is a commune of Vendée, in Pays de la Loire. As of the latest census it counted 22,943 inhabitants.
482 rooftop PV installations totalling 2.6 MWp have been identified in Challans by OpenPVMapper, ranking it 14th in Vendée out of 257 communes with detections. These detections span 2019–2025. Click here to see it on the map.
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