ERSE
Published 5 November 2026, 03:36
Entidade Reguladora dos Serviços Energéticos
Portugal's energy regulator. For ordinary people it is useful because its website has an official tariff simulator where you can compare electricity and gas offers. It is a handy starting point before choosing a supplier.
Where you come across it. Comparing electricity and gas tariffs
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Free-market households have paid more for electricity than on the regulated tariff since 2023. Regulator advises switching 28 October 2026, 23:34