Year-to-year change in primary energy use by source in Portugal
Portugal: Year-to-year change in primary energy use by source was 1.64 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
1.64 terawatt-hours
Change on year
down 14.7%
World rank
26th
of 80 countries
All-time high
1.93 terawatt-hours
in 2024
All-time low
-0.001 terawatt-hours
in 1990
Years of data
60
1966–2025
Year-to-year change in primary energy use by source in Portugal, 1966–2025
Source: Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
Portugal recorded 1.64 terawatt-hours for year-to-year change in primary energy use by source in 2025.
Compared with earlier readings it is down 14.7% on the previous year and up 873.7% over ten years.
Over the whole period, year-to-year change in primary energy use by source in Portugal peaked at 1.93 terawatt-hours in 2024 and was at its lowest, -0.001 terawatt-hours, in 1990.
That places Portugal 26th out of 80 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.
Year-to-year change in primary energy use by source in Portugal, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | 0 terawatt-hours | — |
| 1967 | 0 terawatt-hours | — |
| 1968 | 0 terawatt-hours | — |
| 1969 | 0 terawatt-hours | — |
| 1970 | 0 terawatt-hours | — |
| 1971 | 0 terawatt-hours | — |
| 1972 | 0 terawatt-hours | — |
| 1973 | 0 terawatt-hours | — |
| 1974 | 0 terawatt-hours | — |
| 1975 | 0 terawatt-hours | — |
| 1976 | 0 terawatt-hours | — |
| 1977 | 0 terawatt-hours | — |
| 1978 | 0 terawatt-hours | — |
| 1979 | 0 terawatt-hours | — |
| 1980 | 0 terawatt-hours | — |
| 1981 | 0 terawatt-hours | — |
| 1982 | 0 terawatt-hours | — |
| 1983 | 0 terawatt-hours | — |
| 1984 | 0 terawatt-hours | — |
| 1985 | 0 terawatt-hours | — |
| 1986 | 0 terawatt-hours | — |
| 1987 | 0 terawatt-hours | — |
| 1988 | 0 terawatt-hours | — |
| 1989 | 0.001 terawatt-hours | — |
| 1990 | -0.001 terawatt-hours | -200.0% |
| 1991 | 0 terawatt-hours | -100.0% |
| 1992 | 0 terawatt-hours | — |
| 1993 | 0 terawatt-hours | — |
| 1994 | 0 terawatt-hours | — |
| 1995 | 0 terawatt-hours | — |
| 1996 | 0.001 terawatt-hours | — |
| 1997 | 0 terawatt-hours | -100.0% |
| 1998 | -0.0002 terawatt-hours | — |
| 1999 | 0.0003 terawatt-hours | -250.0% |
| 2000 | 0.0003 terawatt-hours | +0.0% |
| 2001 | 0.0002 terawatt-hours | -33.3% |
| 2002 | 0.0002 terawatt-hours | +0.0% |
| 2003 | 0.0008 terawatt-hours | +300.0% |
| 2004 | 0.0003 terawatt-hours | -62.5% |
| 2005 | 0.0009 terawatt-hours | +200.0% |
| 2006 | 0.0012 terawatt-hours | +33.3% |
| 2007 | 0.019 terawatt-hours | +1483.3% |
| 2008 | 0.017 terawatt-hours | -10.5% |
| 2009 | 0.119 terawatt-hours | +600.0% |
| 2010 | 0.055 terawatt-hours | -53.8% |
| 2011 | 0.067 terawatt-hours | +21.8% |
| 2012 | 0.111 terawatt-hours | +65.7% |
| 2013 | 0.0861 terawatt-hours | -22.4% |
| 2014 | 0.1482 terawatt-hours | +72.0% |
| 2015 | 0.1688 terawatt-hours | +13.9% |
| 2016 | 0.0258 terawatt-hours | -84.7% |
| 2017 | 0.17 terawatt-hours | +557.8% |
| 2018 | 0.013 terawatt-hours | -92.4% |
| 2019 | 0.337 terawatt-hours | +2492.3% |
| 2020 | 0.3736 terawatt-hours | +10.9% |
| 2021 | 0.5216 terawatt-hours | +39.6% |
| 2022 | 1.28 terawatt-hours | +145.8% |
| 2023 | 1.64 terawatt-hours | +28.0% |
| 2024 | 1.93 terawatt-hours | +17.5% |
| 2025 | 1.64 terawatt-hours | -14.7% |
Portugal compared with similar countries
- Portugal's 1.64 terawatt-hours is above the median for high income countries, which is 1.11 terawatt-hours, 1.5× the median. (47 countries reporting)
- Portugal's 1.64 terawatt-hours is above the median for Europe & Central Asia, which is 0.5816 terawatt-hours, 2.8× the median. (39 countries reporting)
Biggest year-on-year movements
Years where Year-to-year change in primary energy use by source in Portugal changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2019 | +2492.3% | 0.013 terawatt-hours | 0.337 terawatt-hours |
| 2007 | +1483.3% | 0.0012 terawatt-hours | 0.019 terawatt-hours |
| 2009 | +600.0% | 0.017 terawatt-hours | 0.119 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 4 |
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 1980s | 0.0001 terawatt-hours | 0 terawatt-hours | 0.001 terawatt-hours | 10 |
| 1990s | 0 terawatt-hours | -0.001 terawatt-hours | 0.001 terawatt-hours | 10 |
| 2000s | 0.0159 terawatt-hours | 0.0002 terawatt-hours | 0.119 terawatt-hours | 10 |
| 2010s | 0.1182 terawatt-hours | 0.013 terawatt-hours | 0.337 terawatt-hours | 10 |
| 2020s | 1.23 terawatt-hours | 0.3736 terawatt-hours | 1.93 terawatt-hours | 6 |
Countries ranked near Portugal
More energy & mining data for Portugal
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, annual growth rate 1.67 % change on previous year (2025)
- Coal consumption, per capita 0 terawatt-hours per person (2025)
- Coal consumption, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per capita 0 terawatt-hours per person (2025)
- Coal production, per capita 0 terawatt-hours per person (2024)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Fossil fuel consumption by fuel, per capita 0 terawatt-hours per person (2025)
- Fuel imports 8.5% (2025)
Frequently asked questions
- What is year-to-year change in primary energy use by source in Portugal?
- Year-to-year change in primary energy use by source in Portugal was 1.64 terawatt-hours in 2025, according to Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data.
- What is the highest year-to-year change in primary energy use by source recorded in Portugal?
- The highest recorded value was 1.93 terawatt-hours in 2024.
- What is the lowest year-to-year change in primary energy use by source recorded in Portugal?
- The lowest recorded value was -0.001 terawatt-hours in 1990.
- How does Portugal rank for year-to-year change in primary energy use by source?
- Portugal ranks 26th out of 80 countries with data for 2025.
- Is year-to-year change in primary energy use by source rising or falling in Portugal?
- Over the last ten years it is up 873.7%. 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) – with major processing by Our World in Data, published as part of Year-to-year change in primary energy use by source. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 60 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.