We use our own and third-party cookies to improve your accessibility, to customise and analyse your browsing, as well as to display publicity and advertising based on your interests.
To continue browsing you must ACCEPT THE COOKIES POLICYMore information.
Are you already a customer? LOGIN or REGISTER
Residential Customer Support
Apoio ao Cliente Empresarial
Complexo Hidroelétrico do Alto Tâmega
In view of the current context, we changed the opening hours of our customer service points: working days, from 10 am to 1 pm and from 2 pm to 7 pm
The Complaints Book electronic format is a measure of the "SIMPLEX + 2016" programme involving the Consumer Directorate-General and the regulatory authorities from the various sectors.
Click on to request information and/or submit your complaint directly to ERSE- Entidade Reguladora dos Serviços Energéticos (the Portuguese Energy Services Regulatory Authority).