Primary energy from fossil fuels, nuclear, and renewables in Slovak Republic
Slovak Republic: Primary energy from fossil fuels, nuclear, and renewables was 32.5% in 2025. ◆ Volatile
Primary energy from fossil fuels, nuclear, and renewables in Slovak Republic, 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, primary energy from fossil fuels, nuclear, and renewables in Slovak Republic stood at 32.5%. That is the highest value across all 61 years on record.
That represents a change of up 4.8% on the previous year and up 28.9% over ten years.
Over the whole period, primary energy from fossil fuels, nuclear, and renewables in Slovak Republic peaked at 32.5% in 2025 and was at its lowest, 0.0%, in 1965.
That places Slovak Republic 3rd out of 216 countries with data for 2025, putting it in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Primary energy from fossil fuels, nuclear, and renewables in Slovak Republic, 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 | 0.4% | +7305.8% |
| 1974 | 0.9% | +100.9% |
| 1975 | 0.3% | -63.4% |
| 1976 | 0.7% | +127.6% |
| 1977 | 0.2% | -75.4% |
| 1978 | 0.0% | -84.2% |
| 1979 | 3.1% | +10817.4% |
| 1980 | 6.4% | +107.5% |
| 1981 | 7.3% | +14.0% |
| 1982 | 8.3% | +14.7% |
| 1983 | 8.7% | +5.1% |
| 1984 | 9.5% | +8.8% |
| 1985 | 12.0% | +26.0% |
| 1986 | 15.0% | +25.3% |
| 1987 | 14.5% | -3.7% |
| 1988 | 14.3% | -1.0% |
| 1989 | 15.0% | +4.6% |
| 1990 | 14.8% | -1.3% |
| 1991 | 16.1% | +9.1% |
| 1992 | 16.1% | -0.2% |
| 1993 | 17.4% | +8.2% |
| 1994 | 19.3% | +11.1% |
| 1995 | 17.1% | -11.7% |
| 1996 | 16.8% | -1.7% |
| 1997 | 16.6% | -0.9% |
| 1998 | 17.5% | +5.1% |
| 1999 | 19.8% | +13.7% |
| 2000 | 24.3% | +22.5% |
| 2001 | 23.5% | -3.2% |
| 2002 | 24.3% | +3.4% |
| 2003 | 24.6% | +1.1% |
| 2004 | 24.0% | -2.4% |
| 2005 | 24.4% | +1.5% |
| 2006 | 25.0% | +2.6% |
| 2007 | 22.8% | -9.0% |
| 2008 | 24.0% | +5.4% |
| 2009 | 22.5% | -6.1% |
| 2010 | 21.9% | -2.7% |
| 2011 | 23.8% | +8.5% |
| 2012 | 25.0% | +4.9% |
| 2013 | 24.9% | -0.4% |
| 2014 | 26.2% | +5.3% |
| 2015 | 25.2% | -3.7% |
| 2016 | 24.4% | -3.3% |
| 2017 | 23.6% | -3.1% |
| 2018 | 23.5% | -0.5% |
| 2019 | 25.2% | +7.0% |
| 2020 | 26.0% | +3.2% |
| 2021 | 24.4% | -5.9% |
| 2022 | 26.6% | +9.0% |
| 2023 | 29.9% | +12.4% |
| 2024 | 31.0% | +3.5% |
| 2025 | 32.5% | +4.8% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.0% | 0.0% | 0.0% | 5 |
| 1970s | 0.6% | 0.0% | 3.1% | 10 |
| 1980s | 11.1% | 6.4% | 15.0% | 10 |
| 1990s | 17.1% | 14.8% | 19.8% | 10 |
| 2000s | 23.9% | 22.5% | 25.0% | 10 |
| 2010s | 24.4% | 21.9% | 26.2% | 10 |
| 2020s | 28.4% | 24.4% | 32.5% | 6 |
Countries ranked near Slovak Republic
More energy & mining data for Slovak Republic
- 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)
- Fossil fuel production by fuel, per capita 0 terawatt-hours per person (2024)
- Fossil fuel production by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Gas production, per capita 0 terawatt-hours per person (2024)
Frequently asked questions
- What is primary energy from fossil fuels, nuclear, and renewables in Slovak Republic?
- Primary energy from fossil fuels, nuclear, and renewables in Slovak Republic was 32.5% 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 primary energy from fossil fuels, nuclear, and renewables recorded in Slovak Republic?
- The highest recorded value was 32.5% in 2025.
- What is the lowest primary energy from fossil fuels, nuclear, and renewables recorded in Slovak Republic?
- The lowest recorded value was 0.0% in 1965.
- How does Slovak Republic rank for primary energy from fossil fuels, nuclear, and renewables?
- Slovak Republic ranks 3rd out of 216 countries with data for 2025.
- Is primary energy from fossil fuels, nuclear, and renewables rising or falling in Slovak Republic?
- Over the last ten years it is up 28.9%. The long-run trend across the full record is volatile.
- Where does this Slovak Republic 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 Primary energy from fossil fuels, nuclear, and renewables. 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 as a percentage of total energy supply.