Part of Ardennes (Grand Est), Rethel counted 7,444 inhabitants as of the latest census.
OpenPVMapper's latest release puts Rethel at 368 kWp of estimated rooftop PV capacity over 41 installations — 10th in Ardennes out of 434 communes with detections. The detections span 2019–2025. click here to see it on the map.
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