Good news! WATT Earth appears in the Eco-Actors directory (a site published by ADEME)!
We invite you to consult their page dedicated to WATT Earth
http://www.ecoacteurs.ademe.fr/annuaire/view/annuaire_list/3873/page:3/n:3?region=10&departement=&structure=&theme_1=&theme_2=&theme_3%5B0%5D=32&theme_4=&theme_5=&theme_6=
English 
French