What the Data Shows
Portugal’s electricity generation is compared across seven source categories in 2024. Output is measured in terawatt-hours, with each category’s share uses 51.09 TWh of national generation. Large hydropower was the largest source at 17.46 TWh, or 34.2%, followed by wind at 28.2%. The six renewable categories together supplied 86.2% of generation, while the non-renewable residual accounted for 13.8%.
Data table
Unit: terawatt-hours · Period: 2024
| Rank | Entry | Value | Period |
|---|
| 1 | Large hydropower | 17.46 | 2024 |
| 2 | Wind power | 14.42 | 2024 |
| 3 | Solar photovoltaic | 7.09 | 2024 |
| 4 | Non-renewable sources | 7.03 | 2024 |
| 5 | Biomass | 3.75 | 2024 |
| 6 | Small hydropower | 1.13 | 2024 |
| 7 | Geothermal | 0.20 | 2024 |
Sources
Data notes & caveats
The source provides renewable technologies individually but not non-renewable technologies by fuel in this source. The residual is therefore labelled non-renewable sources rather than split further.
Methodology
The six renewable technologies are used as published. Non-renewable generation equals total generation minus total renewable generation, and every segment share uses total generation as the denominator.
Source consistency notes
All direct inputs use the same DGEG source family, 2024 period and GWh unit; the residual uses only same-source values.
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