Share of primary energy from nuclear in Spain
Spain: Share of primary energy from nuclear was 11.4% in 2025. ◆ Volatile
Share of primary energy from nuclear in Spain, 1965–2025
Source: Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in %.
Analysis
The most recent figure for share of primary energy from nuclear in Spain is 11.4%, measured in 2025.
Compared with earlier readings it is down 2.6% on the previous year and down 5.4% over ten years.
Over the whole period, share of primary energy from nuclear in Spain peaked at 16.3% in 1989 and was at its lowest, 0.0%, in 1965.
That places Spain 14th out of 216 countries with data for 2025, putting it in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Share of primary energy from nuclear in Spain, year by year
| Year | % | Change |
|---|---|---|
| 1965 | 0.0% | — |
| 1966 | 0.0% | — |
| 1967 | 0.0% | — |
| 1968 | 0.1% | — |
| 1969 | 0.6% | +794.0% |
| 1970 | 0.6% | +1.0% |
| 1971 | 1.5% | +149.3% |
| 1972 | 2.6% | +74.7% |
| 1973 | 3.1% | +21.9% |
| 1974 | 3.3% | +6.2% |
| 1975 | 3.3% | +0.1% |
| 1976 | 3.1% | -8.0% |
| 1977 | 2.7% | -12.7% |
| 1978 | 3.1% | +16.9% |
| 1979 | 2.6% | -18.0% |
| 1980 | 1.9% | -26.0% |
| 1981 | 3.4% | +79.5% |
| 1982 | 3.1% | -7.3% |
| 1983 | 3.7% | +18.7% |
| 1984 | 8.0% | +114.5% |
| 1985 | 9.8% | +22.3% |
| 1986 | 12.7% | +29.0% |
| 1987 | 13.4% | +6.2% |
| 1988 | 15.9% | +18.5% |
| 1989 | 16.3% | +2.6% |
| 1990 | 16.0% | -2.2% |
| 1991 | 15.8% | -0.9% |
| 1992 | 14.9% | -5.7% |
| 1993 | 15.7% | +5.0% |
| 1994 | 14.8% | -5.3% |
| 1995 | 14.2% | -4.4% |
| 1996 | 14.2% | +0.4% |
| 1997 | 13.3% | -6.5% |
| 1998 | 13.5% | +1.8% |
| 1999 | 12.7% | -6.2% |
| 2000 | 12.8% | +0.9% |
| 2001 | 12.8% | -0.1% |
| 2002 | 12.2% | -4.8% |
| 2003 | 11.7% | -4.4% |
| 2004 | 11.5% | -1.1% |
| 2005 | 10.2% | -11.7% |
| 2006 | 10.7% | +4.7% |
| 2007 | 9.6% | -10.2% |
| 2008 | 10.6% | +10.7% |
| 2009 | 10.4% | -2.3% |
| 2010 | 12.0% | +16.4% |
| 2011 | 11.4% | -5.7% |
| 2012 | 12.2% | +7.2% |
| 2013 | 12.1% | -0.6% |
| 2014 | 12.4% | +2.5% |
| 2015 | 12.0% | -3.1% |
| 2016 | 12.3% | +2.3% |
| 2017 | 11.8% | -4.2% |
| 2018 | 11.3% | -4.1% |
| 2019 | 12.1% | +6.6% |
| 2020 | 13.8% | +14.7% |
| 2021 | 12.5% | -9.5% |
| 2022 | 12.4% | -1.3% |
| 2023 | 12.5% | +1.1% |
| 2024 | 11.7% | -6.5% |
| 2025 | 11.4% | -2.6% |
Biggest year-on-year movements
Years where Share of primary energy from nuclear in Spain 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 |
|---|---|---|---|
| 1969 | +794.0% | 0.1% | 0.6% |
| 1971 | +149.3% | 0.6% | 1.5% |
| 1984 | +114.5% | 3.7% | 8.0% |
| 1981 | +79.5% | 1.9% | 3.4% |
| 1972 | +74.7% | 1.5% | 2.6% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.1% | 0.0% | 0.6% | 5 |
| 1970s | 2.6% | 0.6% | 3.3% | 10 |
| 1980s | 8.8% | 1.9% | 16.3% | 10 |
| 1990s | 14.5% | 12.7% | 16.0% | 10 |
| 2000s | 11.2% | 9.6% | 12.8% | 10 |
| 2010s | 12.0% | 11.3% | 12.4% | 10 |
| 2020s | 12.4% | 11.4% | 13.8% | 6 |
Countries ranked near Spain
More energy & mining data for Spain
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, annual growth rate 2.17 % 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 (2025)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Fossil fuel consumption by fuel, per capita 0 terawatt-hours per person (2025)
- Fuel imports 13.4% (2024)
Frequently asked questions
- What is share of primary energy from nuclear in Spain?
- Share of primary energy from nuclear in Spain was 11.4% in 2025, according to Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
- What is the highest share of primary energy from nuclear recorded in Spain?
- The highest recorded value was 16.3% in 1989.
- What is the lowest share of primary energy from nuclear recorded in Spain?
- The lowest recorded value was 0.0% in 1965.
- How does Spain rank for share of primary energy from nuclear?
- Spain ranks 14th out of 216 countries with data for 2025.
- Is share of primary energy from nuclear rising or falling in Spain?
- Over the last ten years it is down 5.4%. The long-run trend across the full record is volatile.
- Where does this Spain data come from?
- The figures come from Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Share of primary energy from nuclear. Statizoid updates them automatically from the source API.
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About this data
Measured as a percentage of total energy supply.