Share of electricity generation from nuclear in Czechia
Czechia: Share of electricity generation from nuclear was 42.3% in 2025. ▲ Rising
Share of electricity generation from nuclear in Czechia, 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 Czechia is 42.3%, measured in 2025. That is the highest value across all 41 years on record.
The figure is up 3.7% on the previous year and up 30.0% over ten years.
Over the whole period, share of electricity generation from nuclear in Czechia peaked at 42.3% in 2025 and was at its lowest, 4.1%, in 1985.
Czechia ranks 4th of 207 countries on this measure, in the top 10%.
The long-run direction has been consistently rising across the 41 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 13.8% | 4.1% | 19.1% | 5 |
| 1990s | 20.6% | 19.5% | 22.2% | 10 |
| 2000s | 28.2% | 18.6% | 33.3% | 10 |
| 2010s | 33.7% | 29.4% | 35.8% | 10 |
| 2020s | 39.1% | 36.7% | 42.3% | 6 |
Countries ranked near Czechia
More energy & mining data for Czechia
- Fuel imports 5.5% (2024)
- Ores and metals imports 2.8% (2024)
- Ores and metals exports 1.4% (2024)
- Gas production 1.95 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 181.23 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 1.95 terawatt-hours (2024)
- Gas production per person 181.23 kilowatt-hours per person (2024)
- Fuel exports 1.7% (2024)
- Electric power transmission and distribution losses 4.3% (2024)
- Share of dietary energy supply from carbohydrates vs. GDP per capita 46.3% (2023)
Frequently asked questions
- What is share of electricity generation from nuclear in Czechia?
- Share of electricity generation from nuclear in Czechia was 42.3% 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 Czechia?
- The highest recorded value was 42.3% in 2025.
- What is the lowest share of electricity generation from nuclear recorded in Czechia?
- The lowest recorded value was 4.1% in 1985.
- How does Czechia rank for share of electricity generation from nuclear?
- Czechia ranks 4th out of 207 countries with data for 2025.
- Is share of electricity generation from nuclear rising or falling in Czechia?
- Over the last ten years it is up 30.0%. The long-run trend across the full record is rising.
- Where does this Czechia 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.