Primary energy from nuclear in Switzerland
Switzerland: Primary energy from nuclear was 55.69 terawatt-hours in 2025. ▲ Rising
Latest (2025)
55.69 terawatt-hours
Change on year
down 20.0%
World rank
20th
of 219 countries
All-time high
84.11 terawatt-hours
in 2014
All-time low
0 terawatt-hours
in 1965
Years of data
61
1965–2025
Primary energy from nuclear in Switzerland, 1965–2025
Source: Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
The most recent figure for primary energy from nuclear in Switzerland is 55.69 terawatt-hours, measured in 2025.
The figure is down 20.0% on the previous year and down 21.0% over ten years.
Over the whole period, primary energy from nuclear in Switzerland peaked at 84.11 terawatt-hours in 2014 and was at its lowest, 0 terawatt-hours, in 1965.
That places Switzerland 20th out of 219 countries with data for 2025, putting it in the top 10%.
The long-run direction has been consistently rising across the 61 years of available data.
Primary energy from nuclear in Switzerland, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1965 | 0 terawatt-hours | — |
| 1966 | 0 terawatt-hours | — |
| 1967 | 0 terawatt-hours | — |
| 1968 | 0 terawatt-hours | — |
| 1969 | 1.62 terawatt-hours | — |
| 1970 | 5.35 terawatt-hours | +230.1% |
| 1971 | 4.22 terawatt-hours | -21.2% |
| 1972 | 11.64 terawatt-hours | +176.1% |
| 1973 | 19.12 terawatt-hours | +64.3% |
| 1974 | 21.42 terawatt-hours | +12.0% |
| 1975 | 23.52 terawatt-hours | +9.8% |
| 1976 | 24.06 terawatt-hours | +2.3% |
| 1977 | 24.59 terawatt-hours | +2.2% |
| 1978 | 25.44 terawatt-hours | +3.5% |
| 1979 | 35.77 terawatt-hours | +40.6% |
| 1980 | 43.47 terawatt-hours | +21.5% |
| 1981 | 46.45 terawatt-hours | +6.9% |
| 1982 | 45.86 terawatt-hours | -1.3% |
| 1983 | 47.61 terawatt-hours | +3.8% |
| 1984 | 55.88 terawatt-hours | +17.4% |
| 1985 | 67.88 terawatt-hours | +21.5% |
| 1986 | 67.95 terawatt-hours | +0.1% |
| 1987 | 69.22 terawatt-hours | +1.9% |
| 1988 | 68.59 terawatt-hours | -0.9% |
| 1989 | 68.72 terawatt-hours | +0.2% |
| 1990 | 71.13 terawatt-hours | +3.5% |
| 1991 | 69.07 terawatt-hours | -2.9% |
| 1992 | 70.56 terawatt-hours | +2.2% |
| 1993 | 70.27 terawatt-hours | -0.4% |
| 1994 | 73.31 terawatt-hours | +4.3% |
| 1995 | 74.92 terawatt-hours | +2.2% |
| 1996 | 75.66 terawatt-hours | +1.0% |
| 1997 | 76.46 terawatt-hours | +1.1% |
| 1998 | 77.73 terawatt-hours | +1.7% |
| 1999 | 75.03 terawatt-hours | -3.5% |
| 2000 | 79.58 terawatt-hours | +6.1% |
| 2001 | 80.68 terawatt-hours | +1.4% |
| 2002 | 81.95 terawatt-hours | +1.6% |
| 2003 | 82.71 terawatt-hours | +0.9% |
| 2004 | 81.12 terawatt-hours | -1.9% |
| 2005 | 70.24 terawatt-hours | -13.4% |
| 2006 | 83.71 terawatt-hours | +19.2% |
| 2007 | 84.03 terawatt-hours | +0.4% |
| 2008 | 83.36 terawatt-hours | -0.8% |
| 2009 | 83.31 terawatt-hours | -0.0% |
| 2010 | 80.4 terawatt-hours | -3.5% |
| 2011 | 81.53 terawatt-hours | +1.4% |
| 2012 | 77.66 terawatt-hours | -4.8% |
| 2013 | 79.33 terawatt-hours | +2.2% |
| 2014 | 84.11 terawatt-hours | +6.0% |
| 2015 | 70.48 terawatt-hours | -16.2% |
| 2016 | 64.55 terawatt-hours | -8.4% |
| 2017 | 62.2 terawatt-hours | -3.6% |
| 2018 | 73.98 terawatt-hours | +18.9% |
| 2019 | 76.61 terawatt-hours | +3.5% |
| 2020 | 69.67 terawatt-hours | -9.1% |
| 2021 | 56.15 terawatt-hours | -19.4% |
| 2022 | 70.04 terawatt-hours | +24.7% |
| 2023 | 70.71 terawatt-hours | +1.0% |
| 2024 | 69.65 terawatt-hours | -1.5% |
| 2025 | 55.69 terawatt-hours | -20.0% |
Biggest year-on-year movements
Years where Primary energy from nuclear in Switzerland 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 |
|---|---|---|---|
| 1970 | +230.1% | 1.62 terawatt-hours | 5.35 terawatt-hours |
| 1972 | +176.1% | 4.22 terawatt-hours | 11.64 terawatt-hours |
| 1973 | +64.3% | 11.64 terawatt-hours | 19.12 terawatt-hours |
| 1979 | +40.6% | 25.44 terawatt-hours | 35.77 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.3242 terawatt-hours | 0 terawatt-hours | 1.62 terawatt-hours | 5 |
| 1970s | 19.51 terawatt-hours | 4.22 terawatt-hours | 35.77 terawatt-hours | 10 |
| 1980s | 58.16 terawatt-hours | 43.47 terawatt-hours | 69.22 terawatt-hours | 10 |
| 1990s | 73.41 terawatt-hours | 69.07 terawatt-hours | 77.73 terawatt-hours | 10 |
| 2000s | 81.07 terawatt-hours | 70.24 terawatt-hours | 84.03 terawatt-hours | 10 |
| 2010s | 75.08 terawatt-hours | 62.2 terawatt-hours | 84.11 terawatt-hours | 10 |
| 2020s | 65.32 terawatt-hours | 55.69 terawatt-hours | 70.71 terawatt-hours | 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 primary energy from nuclear in Switzerland?
- Primary energy from nuclear in Switzerland was 55.69 terawatt-hours in 2025, according to Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data.
- What is the highest primary energy from nuclear recorded in Switzerland?
- The highest recorded value was 84.11 terawatt-hours in 2014.
- What is the lowest primary energy from nuclear recorded in Switzerland?
- The lowest recorded value was 0 terawatt-hours in 1965.
- How does Switzerland rank for primary energy from nuclear?
- Switzerland ranks 20th out of 219 countries with data for 2025.
- Is primary energy from nuclear rising or falling in Switzerland?
- Over the last ten years it is down 21.0%. 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) – with major processing by Our World in Data, published as part of Primary energy from nuclear. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 61 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured in terawatt-hours of total energy supply.