Fine
Varies by promo
All legitimate; promos undercut EDP by 10 to 15%. Compare on poupaenergia.pt (the official comparator). Switching later is free and painless.
From the Set up electricity, water & gas how-to in Lisbon. Prices checked June 2026.
Lisbon · How-to
Galp / Iberdrola / Endesa
Often cheaper. The market is liberalised