Primary energy from nuclear in Slovakia
Slovakia: Primary energy from nuclear was 58.47 terawatt-hours in 2025. ◆ Volatile
Primary energy from nuclear in Slovakia, 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 Slovakia is 58.47 terawatt-hours, measured in 2025. That is the highest value across all 61 years on record.
That represents a change of up 5.8% on the previous year and up 27.4% over ten years.
Over the whole period, primary energy from nuclear in Slovakia peaked at 58.47 terawatt-hours in 2025 and was at its lowest, 0 terawatt-hours, in 1965.
Slovakia ranks 18th of 213 countries on this measure, in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 5 |
| 1970s | 1.1 terawatt-hours | 0 terawatt-hours | 6.51 terawatt-hours | 10 |
| 1980s | 25.8 terawatt-hours | 13.71 terawatt-hours | 36.84 terawatt-hours | 10 |
| 1990s | 35.49 terawatt-hours | 33.48 terawatt-hours | 39.75 terawatt-hours | 10 |
| 2000s | 51 terawatt-hours | 42.67 terawatt-hours | 54.58 terawatt-hours | 10 |
| 2010s | 46.01 terawatt-hours | 44.16 terawatt-hours | 47.64 terawatt-hours | 10 |
| 2020s | 52 terawatt-hours | 46.8 terawatt-hours | 58.47 terawatt-hours | 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 primary energy from nuclear in Slovakia?
- Primary energy from nuclear in Slovakia was 58.47 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 Slovakia?
- The highest recorded value was 58.47 terawatt-hours in 2025.
- What is the lowest primary energy from nuclear recorded in Slovakia?
- The lowest recorded value was 0 terawatt-hours in 1965.
- How does Slovakia rank for primary energy from nuclear?
- Slovakia ranks 18th out of 213 countries with data for 2025.
- Is primary energy from nuclear rising or falling in Slovakia?
- Over the last ten years it is up 27.4%. The long-run trend across the full record is volatile.
- Where does this Slovakia 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.