Production
Electricity Generation by Energy Sources in Mainland Portugal
in 2025
Between January 1 and October 31 of 2025, 40,156 GWh of electricity were generated in Mainland Portugal, from which 75.2% originated from renewable sources.
Source: REN
Analysis: APREN
Distribution of the electricity generation by source
(October 2023 to October 2025)
In October 2025, the renewable incorporation on electricity generation was 66.0%. On the other hand, the fossil-based electricity production represented 23.3%.
Source: REN, with analysis from APREN
Electricity Generation by Energy Sources in the Autonomous Region of Madeira in 2025
Until August 2025, 451 GWh of electricity were generated in the Madeira Archipelago, from which 45.0 % came from renewable sources.
Source: EEM, APREN analysis.
Electricity Generation by Energy Sources in the Autonomous Region of Azores in 2025
Until August 2025, 424 GWh of electricity were generated in the Azores Archipelago, from which 36.7% originated from renewable sources.
Source: EDA, analized by APREN
Evolution of the Electricity Generation in Mainland Portugal
The greater use of Portuguese endogenous and renewable resources for electricity production has changed the composition of the electricity production mix in Portugal and has, consecutively, played an increasingly determinant role in the satisfaction of consumption, having been quite evident in 2020 due to the drop in consumption resulting from the COVID-19 pandemic.
Source: REN, analysed by APREN.