Year-to-year change in primary energy use by source in Slovakia
Slovakia: Year-to-year change in primary energy use by source was 0.1217 terawatt-hours in 2025. ◆ Volatile
Year-to-year change in primary energy use by source in Slovakia, 1966–2025
Source: Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
Slovakia recorded 0.1217 terawatt-hours for year-to-year change in primary energy use by source in 2025.
The figure is up 36.7% on the previous year and up 233.7% over ten years.
Over the whole period, year-to-year change in primary energy use by source in Slovakia peaked at 0.3801 terawatt-hours in 2011 and was at its lowest, -0.091 terawatt-hours, in 2015.
That places Slovakia 66th out of 80 countries with data for 2025, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Year-to-year change in primary energy use by source in Slovakia, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | 0 terawatt-hours | — |
| 1967 | 0 terawatt-hours | — |
| 1968 | 0 terawatt-hours | — |
| 1969 | 0 terawatt-hours | — |
| 1970 | 0 terawatt-hours | — |
| 1971 | 0 terawatt-hours | — |
| 1972 | 0 terawatt-hours | — |
| 1973 | 0 terawatt-hours | — |
| 1974 | 0 terawatt-hours | — |
| 1975 | 0 terawatt-hours | — |
| 1976 | 0 terawatt-hours | — |
| 1977 | 0 terawatt-hours | — |
| 1978 | 0 terawatt-hours | — |
| 1979 | 0 terawatt-hours | — |
| 1980 | 0 terawatt-hours | — |
| 1981 | 0 terawatt-hours | — |
| 1982 | 0 terawatt-hours | — |
| 1983 | 0 terawatt-hours | — |
| 1984 | 0 terawatt-hours | — |
| 1985 | 0 terawatt-hours | — |
| 1986 | 0 terawatt-hours | — |
| 1987 | 0 terawatt-hours | — |
| 1988 | 0 terawatt-hours | — |
| 1989 | 0 terawatt-hours | — |
| 1990 | 0 terawatt-hours | — |
| 1991 | 0 terawatt-hours | — |
| 1992 | 0 terawatt-hours | — |
| 1993 | 0 terawatt-hours | — |
| 1994 | 0 terawatt-hours | — |
| 1995 | 0 terawatt-hours | — |
| 1996 | 0 terawatt-hours | — |
| 1997 | 0 terawatt-hours | — |
| 1998 | 0 terawatt-hours | — |
| 1999 | 0 terawatt-hours | — |
| 2000 | 0 terawatt-hours | — |
| 2001 | 0 terawatt-hours | — |
| 2002 | 0 terawatt-hours | — |
| 2003 | 0 terawatt-hours | — |
| 2004 | 0 terawatt-hours | — |
| 2005 | 0 terawatt-hours | — |
| 2006 | 0 terawatt-hours | — |
| 2007 | 0 terawatt-hours | — |
| 2008 | 0 terawatt-hours | — |
| 2009 | 0 terawatt-hours | — |
| 2010 | 0.0169 terawatt-hours | — |
| 2011 | 0.3801 terawatt-hours | +2143.3% |
| 2012 | 0.027 terawatt-hours | -92.9% |
| 2013 | 0.164 terawatt-hours | +507.4% |
| 2014 | 0.009 terawatt-hours | -94.5% |
| 2015 | -0.091 terawatt-hours | -1111.1% |
| 2016 | 0.027 terawatt-hours | -129.7% |
| 2017 | -0.027 terawatt-hours | -200.0% |
| 2018 | 0.079 terawatt-hours | -392.6% |
| 2019 | 0.004 terawatt-hours | -94.9% |
| 2020 | 0.074 terawatt-hours | +1750.0% |
| 2021 | 0.008 terawatt-hours | -89.2% |
| 2022 | -0.021 terawatt-hours | -362.5% |
| 2023 | -0.045 terawatt-hours | +114.3% |
| 2024 | 0.089 terawatt-hours | -297.8% |
| 2025 | 0.1217 terawatt-hours | +36.7% |
Slovakia compared with similar countries
- Slovakia's 0.1217 terawatt-hours is below the median for high income countries, which is 1.11 terawatt-hours, 11% of the median. (47 countries reporting)
- Slovakia's 0.1217 terawatt-hours is below the median for Europe & Central Asia, which is 0.5816 terawatt-hours, 21% of the median. (39 countries reporting)
Biggest year-on-year movements
Years where Year-to-year change in primary energy use by source in Slovakia 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 |
|---|---|---|---|
| 2011 | +2143.3% | 0.0169 terawatt-hours | 0.3801 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 4 |
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 1980s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 1990s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 2000s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 2010s | 0.0589 terawatt-hours | -0.091 terawatt-hours | 0.3801 terawatt-hours | 10 |
| 2020s | 0.0378 terawatt-hours | -0.045 terawatt-hours | 0.1217 terawatt-hours | 6 |
Countries ranked near Slovakia
More energy & mining data for Slovakia
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, annual growth rate 0.9653 % 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 (2024)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Fossil fuel consumption by fuel, per capita 0 terawatt-hours per person (2025)
- Fuel imports 8.1% (2024)
Frequently asked questions
- What is year-to-year change in primary energy use by source in Slovakia?
- Year-to-year change in primary energy use by source in Slovakia was 0.1217 terawatt-hours in 2025, according to Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data.
- What is the highest year-to-year change in primary energy use by source recorded in Slovakia?
- The highest recorded value was 0.3801 terawatt-hours in 2011.
- What is the lowest year-to-year change in primary energy use by source recorded in Slovakia?
- The lowest recorded value was -0.091 terawatt-hours in 2015.
- How does Slovakia rank for year-to-year change in primary energy use by source?
- Slovakia ranks 66th out of 80 countries with data for 2025.
- Is year-to-year change in primary energy use by source rising or falling in Slovakia?
- Over the last ten years it is up 233.7%. 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) – with major processing by Our World in Data, published as part of Year-to-year change in primary energy use by source. Statizoid updates them automatically from the source API.
Download this data
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About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.