Share of electricity generation from nuclear in Switzerland
Switzerland: Share of electricity generation from nuclear was 29.9% in 2025. ▼ Falling
Share of electricity generation from nuclear in Switzerland, 1985–2025
Source: Ember (2026) and other sources – with major processing by Our World in Data. Measured in %.
Analysis
The most recent figure for share of electricity generation from nuclear in Switzerland is 29.9%, measured in 2025. That is the lowest value across all 41 years on record.
Compared with earlier readings it is down 2.6% on the previous year and down 14.5% over ten years.
Over the whole period, share of electricity generation from nuclear in Switzerland peaked at 44.8% in 2006 and was at its lowest, 29.9%, in 2025.
That places Switzerland 11th 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 Switzerland, year by year
| Year | % | Change |
|---|---|---|
| 1985 | 39.8% | — |
| 1986 | 39.1% | -1.8% |
| 1987 | 38.2% | -2.1% |
| 1988 | 37.4% | -2.2% |
| 1989 | 41.5% | +11.1% |
| 1990 | 41.9% | +0.9% |
| 1991 | 39.3% | -6.3% |
| 1992 | 39.1% | -0.3% |
| 1993 | 37.7% | -3.7% |
| 1994 | 36.6% | -2.9% |
| 1995 | 39.3% | +7.5% |
| 1996 | 43.6% | +10.7% |
| 1997 | 40.1% | -7.9% |
| 1998 | 40.5% | +1.0% |
| 1999 | 36.1% | -11.0% |
| 2000 | 40.0% | +10.9% |
| 2001 | 37.7% | -5.7% |
| 2002 | 41.6% | +10.3% |
| 2003 | 42.1% | +1.1% |
| 2004 | 42.2% | +0.3% |
| 2005 | 40.4% | -4.3% |
| 2006 | 44.8% | +10.9% |
| 2007 | 42.0% | -6.1% |
| 2008 | 41.3% | -1.7% |
| 2009 | 41.5% | +0.5% |
| 2010 | 39.9% | -4.0% |
| 2011 | 42.5% | +6.5% |
| 2012 | 37.3% | -12.1% |
| 2013 | 37.8% | +1.3% |
| 2014 | 39.3% | +3.9% |
| 2015 | 34.9% | -11.1% |
| 2016 | 34.6% | -1.0% |
| 2017 | 33.9% | -2.1% |
| 2018 | 38.5% | +13.6% |
| 2019 | 37.4% | -2.7% |
| 2020 | 35.1% | -6.3% |
| 2021 | 30.7% | -12.5% |
| 2022 | 39.1% | +27.5% |
| 2023 | 34.8% | -11.1% |
| 2024 | 30.6% | -11.9% |
| 2025 | 29.9% | -2.6% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 39.2% | 37.4% | 41.5% | 5 |
| 1990s | 39.4% | 36.1% | 43.6% | 10 |
| 2000s | 41.4% | 37.7% | 44.8% | 10 |
| 2010s | 37.6% | 33.9% | 42.5% | 10 |
| 2020s | 33.4% | 29.9% | 39.1% | 6 |
Countries ranked near Switzerland
More energy & mining data for Switzerland
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, annual growth rate -8.75 % 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 3.2% (2024)
Frequently asked questions
- What is share of electricity generation from nuclear in Switzerland?
- Share of electricity generation from nuclear in Switzerland was 29.9% 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 Switzerland?
- The highest recorded value was 44.8% in 2006.
- What is the lowest share of electricity generation from nuclear recorded in Switzerland?
- The lowest recorded value was 29.9% in 2025.
- How does Switzerland rank for share of electricity generation from nuclear?
- Switzerland ranks 11th out of 207 countries with data for 2025.
- Is share of electricity generation from nuclear rising or falling in Switzerland?
- Over the last ten years it is down 14.5%. The long-run trend across the full record is falling.
- Where does this Switzerland 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.
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About this data
Measured as a percentage of total electricity produced in the country or region.