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.
Share of electricity generation from nuclear in Spain, year by year
| Year | % | Change |
|---|---|---|
| 1985 | 22.2% | — |
| 1986 | 29.1% | +31.5% |
| 1987 | 31.1% | +6.8% |
| 1988 | 36.4% | +16.9% |
| 1989 | 38.2% | +4.9% |
| 1990 | 35.9% | -5.9% |
| 1991 | 35.9% | +0.1% |
| 1992 | 35.6% | -0.9% |
| 1993 | 36.1% | +1.5% |
| 1994 | 34.5% | -4.5% |
| 1995 | 33.6% | -2.7% |
| 1996 | 32.5% | -3.2% |
| 1997 | 29.2% | -10.1% |
| 1998 | 30.5% | +4.3% |
| 1999 | 28.6% | -6.2% |
| 2000 | 28.2% | -1.6% |
| 2001 | 27.3% | -2.9% |
| 2002 | 26.3% | -3.9% |
| 2003 | 24.0% | -8.4% |
| 2004 | 23.0% | -4.4% |
| 2005 | 19.9% | -13.6% |
| 2006 | 20.3% | +2.3% |
| 2007 | 18.3% | -10.3% |
| 2008 | 19.0% | +4.3% |
| 2009 | 18.1% | -4.7% |
| 2010 | 20.8% | +14.7% |
| 2011 | 19.8% | -4.9% |
| 2012 | 20.9% | +5.6% |
| 2013 | 20.2% | -3.6% |
| 2014 | 20.9% | +3.6% |
| 2015 | 20.6% | -1.2% |
| 2016 | 21.7% | +4.9% |
| 2017 | 21.3% | -1.6% |
| 2018 | 20.5% | -3.6% |
| 2019 | 21.6% | +5.0% |
| 2020 | 22.5% | +4.2% |
| 2021 | 20.9% | -7.0% |
| 2022 | 20.4% | -2.3% |
| 2023 | 20.4% | -0.1% |
| 2024 | 19.4% | -4.7% |
| 2025 | 18.8% | -3.2% |
Biggest year-on-year movements
Years where Share of electricity generation 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 |
|---|---|---|---|
| 1986 | +31.5% | 22.2% | 29.1% |
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
- 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 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.