Without getting into debates about frustrations with EDF, they do have a programme of visits and activities at their sites. The mystery game at Le Havre looks quite amusing! As does the fish escalator.
We’ve booked to picnic on a hydroelectric dam in a few weeks…have a look at what’s near you here:https://www.edf.fr/groupe-edf/nos-energies/visiter-edf/accueil