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.
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
- Fuel imports 3.2% (2024)
- Ores and metals imports 2.2% (2024)
- Ores and metals exports 1.5% (2024)
- Gas production 0 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 0 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 0 terawatt-hours (2024)
- Gas production per person 0 kilowatt-hours per person (2024)
- Fuel exports 1.2% (2024)
- Electric power transmission and distribution losses 5.0% (2024)
- Share of dietary energy supply from carbohydrates vs. GDP per capita 45.1% (2023)
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.
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.