Ille-et-Vilaine, in Bretagne, with Rennes as its préfecture, counted 1,120,666 inhabitants as of 2021. It is known for the walled city of Saint-Malo.
The latest OpenPVMapper release has identified 144.3 MWp of rooftop PV across 14 357 installations in Ille-et-Vilaine — the 39th département in France and 1st out of 4 within Bretagne by installed capacity. Detections span 2020–2023. 1% of installations in Ille-et-Vilaine are confirmed by more than two independent sources. To explore every detection in Ille-et-Vilaine, click here to see it on the map.
Cumulative share of installed capacity by grid cell, 2020–2023. Drag the slider to see it build up over time.
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