Share of primary energy from nuclear in Switzerland
Switzerland: Share of primary energy from nuclear was 22.8% in 2025. ▲ Rising
Share of primary energy from nuclear in Switzerland, 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
In 2025, share of primary energy from nuclear in Switzerland stood at 22.8%.
The figure is down 12.4% on the previous year and down 9.4% over ten years.
Over the whole period, share of primary energy from nuclear in Switzerland peaked at 29.1% in 2014 and was at its lowest, 0.0%, in 1965.
Switzerland ranks 9th of 215 countries on this measure, in the top 10%.
The long-run direction has been consistently rising across the 61 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.2% | 0.0% | 0.9% | 5 |
| 1970s | 8.9% | 2.1% | 15.5% | 10 |
| 1980s | 22.5% | 17.8% | 26.0% | 10 |
| 1990s | 25.6% | 24.5% | 27.0% | 10 |
| 2000s | 27.0% | 24.3% | 28.1% | 10 |
| 2010s | 26.3% | 23.3% | 29.1% | 10 |
| 2020s | 25.8% | 22.8% | 27.5% | 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 primary energy from nuclear in Switzerland?
- Share of primary energy from nuclear in Switzerland was 22.8% 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 Switzerland?
- The highest recorded value was 29.1% in 2014.
- What is the lowest share of primary energy from nuclear recorded in Switzerland?
- The lowest recorded value was 0.0% in 1965.
- How does Switzerland rank for share of primary energy from nuclear?
- Switzerland ranks 9th out of 215 countries with data for 2025.
- Is share of primary energy from nuclear rising or falling in Switzerland?
- Over the last ten years it is down 9.4%. The long-run trend across the full record is rising.
- Where does this Switzerland 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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CSV · JSON — 61 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured as a percentage of total energy supply.