ERSE Proposes 1.5% Electricity Tariff Increase for 2027
The Energy Services Regulatory Authority (Entidade Reguladora dos Serviços Energéticos or ERSE) proposed a 1.5% average rate increase for normal low-voltage electricity customers in mainland Portugal's regulated market. The adjustment takes effect in January 2027 and follows an earlier 2.7% rate hike introduced in October. Higher wholesale power prices driven by natural gas costs contributed to the increase, though savings from renewable energy contracts prevented steeper price jumps.
The Energy Services Regulatory Authority (Entidade Reguladora dos Serviços Energéticos or ERSE) is Portugal’s regulator for electricity, gas and fuel markets, responsible for licensing, tariffs and consumer protection. ERSE handles consumer complaints (it received about 80 complaints in the recent Galp case), can investigate billing disputes and impose sanctions, so it’s the authority to contact for unresolved energy issues.
