In 2018, the domestic energy use decreased by 3.5%, while economic activity (measured by the Gross Domestic Product - GDP) grew by 2.8% in real terms. As a result, there was a 6.1% decrease in energy intensity of the economy (relationship between domestic energy use and GDP). The energy intensity of the Household sector (relation between Household consumption of energy products and private consumption) increased 1.8%, interrupting the downward trend observed in recent years. National energy dependency decreased by 2.2 p.p., reaching 73.5%. Exports of energy flows decreased by 14.4%, after three consecutive years of growth.
In 2017 (last year with information available to the EU), Portugal was the Member State with the sixth lowest energy intensity and the fourth lowest energy use of the Household sector per capita.

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