Solar radiation is most intense in Corsica and
in the regions of Provence, Alpes and Côte d'Azur.
Photovoltaic installations in these places will
yield the highest output.
The map has been published by the "Agence de l'Environnement
et de la Maitrise de l'Énergie" (ADEME), France.
The measuring unit is kWh/m²a.