Part of Essonne (Île-de-France), Orsay counted 16,498 inhabitants as of the latest census.
OpenPVMapper's latest release puts Orsay at 433 kWp of estimated rooftop PV capacity over 154 installations — 34th in Essonne out of 194 communes with detections. The detections span 2018–2024. click here to see it on the map.
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