Share of primary energy from nuclear in Czechia
Czechia: Share of primary energy from nuclear was 23.1% in 2025. ◆ Volatile
Share of primary energy from nuclear in Czechia, 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 Czechia stood at 23.1%. That is the highest value across all 61 years on record.
That represents a change of up 5.0% on the previous year and up 34.8% over ten years.
Over the whole period, share of primary energy from nuclear in Czechia peaked at 23.1% in 2025 and was at its lowest, 0.0%, in 1965.
Czechia ranks 8th of 216 countries on this measure, in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Share of primary energy from nuclear in Czechia, year by year
| Year | % | Change |
|---|---|---|
| 1965 | 0.0% | — |
| 1966 | 0.0% | — |
| 1967 | 0.0% | — |
| 1968 | 0.0% | — |
| 1969 | 0.0% | — |
| 1970 | 0.0% | — |
| 1971 | 0.0% | — |
| 1972 | 0.0% | — |
| 1973 | 0.0% | — |
| 1974 | 0.0% | — |
| 1975 | 0.0% | — |
| 1976 | 0.0% | — |
| 1977 | 0.0% | — |
| 1978 | 0.0% | — |
| 1979 | 0.0% | — |
| 1980 | 0.0% | — |
| 1981 | 0.0% | — |
| 1982 | 0.0% | — |
| 1983 | 0.1% | — |
| 1984 | 0.6% | +498.6% |
| 1985 | 1.2% | +93.2% |
| 1986 | 2.9% | +153.6% |
| 1987 | 5.0% | +70.2% |
| 1988 | 5.5% | +9.8% |
| 1989 | 5.9% | +8.3% |
| 1990 | 6.9% | +16.2% |
| 1991 | 7.3% | +6.2% |
| 1992 | 7.5% | +2.0% |
| 1993 | 7.9% | +5.3% |
| 1994 | 8.3% | +5.6% |
| 1995 | 7.6% | -7.8% |
| 1996 | 7.8% | +1.9% |
| 1997 | 7.9% | +0.9% |
| 1998 | 8.5% | +8.2% |
| 1999 | 9.0% | +6.0% |
| 2000 | 8.7% | -3.7% |
| 2001 | 9.2% | +6.2% |
| 2002 | 11.6% | +26.3% |
| 2003 | 15.1% | +29.6% |
| 2004 | 15.0% | -0.7% |
| 2005 | 14.3% | -4.3% |
| 2006 | 14.8% | +3.1% |
| 2007 | 15.0% | +1.2% |
| 2008 | 15.5% | +3.3% |
| 2009 | 16.6% | +7.3% |
| 2010 | 16.3% | -1.8% |
| 2011 | 17.0% | +4.5% |
| 2012 | 18.3% | +7.5% |
| 2013 | 18.9% | +3.3% |
| 2014 | 19.0% | +0.3% |
| 2015 | 17.1% | -9.7% |
| 2016 | 15.6% | -8.6% |
| 2017 | 17.3% | +10.8% |
| 2018 | 18.3% | +5.6% |
| 2019 | 18.9% | +3.4% |
| 2020 | 20.3% | +7.1% |
| 2021 | 19.7% | -3.0% |
| 2022 | 20.3% | +3.1% |
| 2023 | 21.7% | +7.0% |
| 2024 | 22.0% | +1.3% |
| 2025 | 23.1% | +5.0% |
Biggest year-on-year movements
Years where Share of primary energy from nuclear in Czechia 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 |
|---|---|---|---|
| 1984 | +498.6% | 0.1% | 0.6% |
| 1986 | +153.6% | 1.2% | 2.9% |
| 1985 | +93.2% | 0.6% | 1.2% |
| 1987 | +70.2% | 2.9% | 5.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.0% | 0.0% | 0.0% | 5 |
| 1970s | 0.0% | 0.0% | 0.0% | 10 |
| 1980s | 2.1% | 0.0% | 5.9% | 10 |
| 1990s | 7.9% | 6.9% | 9.0% | 10 |
| 2000s | 13.6% | 8.7% | 16.6% | 10 |
| 2010s | 17.7% | 15.6% | 19.0% | 10 |
| 2020s | 21.2% | 19.7% | 23.1% | 6 |
Countries ranked near Czechia
More energy & mining data for Czechia
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, annual growth rate 2.85 % 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 5.5% (2024)
Frequently asked questions
- What is share of primary energy from nuclear in Czechia?
- Share of primary energy from nuclear in Czechia was 23.1% 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 Czechia?
- The highest recorded value was 23.1% in 2025.
- What is the lowest share of primary energy from nuclear recorded in Czechia?
- The lowest recorded value was 0.0% in 1965.
- How does Czechia rank for share of primary energy from nuclear?
- Czechia ranks 8th out of 216 countries with data for 2025.
- Is share of primary energy from nuclear rising or falling in Czechia?
- Over the last ten years it is up 34.8%. The long-run trend across the full record is volatile.
- Where does this Czechia 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.