In 2008, Net electricity use in Portugal (gross production + imports – exports – losses) was 51.2 TWh.

[1] In 2018 electricity was generated by 23% hydroelectricity, 26% natural gas, 22% wind, 20% coal, 5% biomass, 2% solar and 2% oil.

In 2019 electricity was generated by 19% hydroelectricity, 32% natural gas, 26% wind, 10% coal, 6% biomass, 2% solar, 2% oil and 1% other combustibles.

[5] Portugal aims to generate 85% of its electricity from renewables by 2030 and achieve carbon neutrality by 2045, five years ahead of its initial target.

[9] In Lisbon, the energy payback time (see also EROEI) in the roof top solar photovoltaic (PV) technology is less than 2 years and less than in Sydney, Munich, Athens or Barcelona, but some more than in Madrid, Los Angeles or Ankara.