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 215 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.
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
- Fuel imports 13.4% (2024)
- Ores and metals imports 3.6% (2024)
- Ores and metals exports 3.4% (2024)
- Gas production 0.3324 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 6.94 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 0.3324 terawatt-hours (2024)
- Gas production per person 6.94 kilowatt-hours per person (2024)
- Fuel exports 5.8% (2024)
- Electric power transmission and distribution losses 8.3% (2024)
- Share of dietary energy supply from carbohydrates vs. GDP per capita 45.3% (2023)
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 215 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.