Translate the following English sentence to French:
"I was able to verify this, for example, during a visit I made to the Azores in Portugal a few days ago with regard to a natural source of renewable energy."
J' ai pu vérifier cela, par exemple, lors d' une visite que j' ai faite au Portugal, il y a quelques jours aux Açores, s' agissant d' une source naturelle d' énergie renouvelable.