Share of electricity generation from nuclear in Spain
Spain: Share of electricity generation from nuclear was 18.8% in 2025. ▼ Falling
Share of electricity generation from nuclear in Spain, 1985–2025
Source: Ember (2026) and other sources – with major processing by Our World in Data. Measured in %.
Analysis
Spain recorded 18.8% for share of electricity generation from nuclear in 2025.
Compared with earlier readings it is down 3.2% on the previous year and down 9.0% over ten years.
Over the whole period, share of electricity generation from nuclear in Spain peaked at 38.2% in 1989 and was at its lowest, 18.1%, in 2009.
That places Spain 17th out of 207 countries with data for 2025, putting it in the top 10%.
The long-run direction has been consistently falling across the 41 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 31.4% | 22.2% | 38.2% | 5 |
| 1990s | 33.3% | 28.6% | 36.1% | 10 |
| 2000s | 22.4% | 18.1% | 28.2% | 10 |
| 2010s | 20.8% | 19.8% | 21.7% | 10 |
| 2020s | 20.4% | 18.8% | 22.5% | 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 electricity generation from nuclear in Spain?
- Share of electricity generation from nuclear in Spain was 18.8% in 2025, according to Ember (2026) and other sources – with major processing by Our World in Data.
- What is the highest share of electricity generation from nuclear recorded in Spain?
- The highest recorded value was 38.2% in 1989.
- What is the lowest share of electricity generation from nuclear recorded in Spain?
- The lowest recorded value was 18.1% in 2009.
- How does Spain rank for share of electricity generation from nuclear?
- Spain ranks 17th out of 207 countries with data for 2025.
- Is share of electricity generation from nuclear rising or falling in Spain?
- Over the last ten years it is down 9.0%. The long-run trend across the full record is falling.
- Where does this Spain data come from?
- The figures come from Ember (2026) and other sources – with major processing by Our World in Data, published as part of Share of electricity generation from nuclear. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 41 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured as a percentage of total electricity produced in the country or region.