Annual change in primary energy from fossil fuels in Portugal
Portugal: Annual change in primary energy from fossil fuels was 4.14 terawatt-hours in 2025. β Volatile
Annual change in primary energy from fossil fuels in Portugal, 1997β2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) β with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
The most recent figure for annual change in primary energy from fossil fuels in Portugal is 4.14 terawatt-hours, measured in 2025.
That represents a change of up 140.4% on the previous year and down 75.2% over ten years.
Over the whole period, annual change in primary energy from fossil fuels in Portugal peaked at 23.35 terawatt-hours in 1998 and was at its lowest, -34.73 terawatt-hours, in 2020.
That places Portugal 29th out of 76 countries with data for 2025, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 17.93 terawatt-hours | 8.61 terawatt-hours | 23.35 terawatt-hours | 3 |
| 2000s | -2.55 terawatt-hours | -24.19 terawatt-hours | 15.89 terawatt-hours | 10 |
| 2010s | -1.79 terawatt-hours | -15.83 terawatt-hours | 18.38 terawatt-hours | 10 |
| 2020s | -8.56 terawatt-hours | -34.73 terawatt-hours | 6.74 terawatt-hours | 6 |
Countries ranked near Portugal
More energy & mining data for Portugal
- Fuel imports 8.5% (2025)
- Ores and metals imports 2.5% (2025)
- Ores and metals exports 2.7% (2025)
- Gas production 0 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 0 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 0 terawatt-hours (2024)
- Gas production per person 0 kilowatt-hours per person (2024)
- Fossil fuel production by fuel, per capita 0 terawatt-hours per person (2024)
- Fossil fuel production by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Gas production, per capita 0 terawatt-hours per person (2024)
Frequently asked questions
- What is annual change in primary energy from fossil fuels in Portugal?
- Annual change in primary energy from fossil fuels in Portugal was 4.14 terawatt-hours in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017) β with major processing by Our World in Data.
- What is the highest annual change in primary energy from fossil fuels recorded in Portugal?
- The highest recorded value was 23.35 terawatt-hours in 1998.
- What is the lowest annual change in primary energy from fossil fuels recorded in Portugal?
- The lowest recorded value was -34.73 terawatt-hours in 2020.
- How does Portugal rank for annual change in primary energy from fossil fuels?
- Portugal ranks 29th out of 76 countries with data for 2025.
- Is annual change in primary energy from fossil fuels rising or falling in Portugal?
- Over the last ten years it is down 75.2%. The long-run trend across the full record is volatile.
- Where does this Portugal data come from?
- The figures come from Energy Institute - Statistical Review of World Energy (2026); Smil (2017) β with major processing by Our World in Data, published as part of Annual change in primary energy from fossil fuels. Statizoid updates them automatically from the source API.
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About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.