Share of electricity generation from nuclear in Slovakia
Slovakia: Share of electricity generation from nuclear was 66.4% in 2025. ▲ Rising
Share of electricity generation from nuclear in Slovakia, 1985–2025
Source: Ember (2026) and other sources – with major processing by Our World in Data. Measured in %.
Analysis
In 2025, share of electricity generation from nuclear in Slovakia stood at 66.4%. That is the highest value across all 41 years on record.
The figure is up 7.6% on the previous year and up 16.7% over ten years.
Over the whole period, share of electricity generation from nuclear in Slovakia peaked at 66.4% in 2025 and was at its lowest, 41.7%, in 1985.
Slovakia ranks 2nd 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 | 47.8% | 41.7% | 50.5% | 5 |
| 1990s | 46.3% | 43.3% | 49.5% | 10 |
| 2000s | 55.8% | 53.6% | 58.2% | 10 |
| 2010s | 55.1% | 53.1% | 57.1% | 10 |
| 2020s | 59.6% | 53.0% | 66.4% | 6 |
Countries ranked near Slovakia
More energy & mining data for Slovakia
- Fuel imports 8.1% (2024)
- Ores and metals imports 2.7% (2024)
- Ores and metals exports 1.7% (2024)
- Gas production 0.4055 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 73.64 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 0.4055 terawatt-hours (2024)
- Gas production per person 73.64 kilowatt-hours per person (2024)
- Fuel exports 4.0% (2024)
- Electric power transmission and distribution losses 3.7% (2024)
- Share of dietary energy supply from carbohydrates vs. GDP per capita 47.0% (2023)
Frequently asked questions
- What is share of electricity generation from nuclear in Slovakia?
- Share of electricity generation from nuclear in Slovakia was 66.4% 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 Slovakia?
- The highest recorded value was 66.4% in 2025.
- What is the lowest share of electricity generation from nuclear recorded in Slovakia?
- The lowest recorded value was 41.7% in 1985.
- How does Slovakia rank for share of electricity generation from nuclear?
- Slovakia ranks 2nd out of 207 countries with data for 2025.
- Is share of electricity generation from nuclear rising or falling in Slovakia?
- Over the last ten years it is up 16.7%. The long-run trend across the full record is rising.
- Where does this Slovakia 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.