Primary energy use by source in Slovakia
Slovakia: Primary energy use by source was 20.03 terawatt-hours in 2025. ▼ Falling
Latest (2025)
20.03 terawatt-hours
Change on year
down 12.0%
World rank
44th
of 79 countries
All-time high
99.67 terawatt-hours
in 1988
All-time low
20.03 terawatt-hours
in 2025
Years of data
61
1965–2025
Primary energy use by source 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
In 2025, primary energy use by source in Slovakia stood at 20.03 terawatt-hours. That is the lowest value across all 61 years on record.
That represents a change of down 12.0% on the previous year and down 46.9% over ten years.
Over the whole period, primary energy use by source in Slovakia peaked at 99.67 terawatt-hours in 1988 and was at its lowest, 20.03 terawatt-hours, in 2025.
That places Slovakia 44th out of 79 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently falling across the 61 years of available data.
Primary energy use by source in Slovakia, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1965 | 70.23 terawatt-hours | — |
| 1966 | 71.11 terawatt-hours | +1.3% |
| 1967 | 68.57 terawatt-hours | -3.6% |
| 1968 | 72.12 terawatt-hours | +5.2% |
| 1969 | 75.86 terawatt-hours | +5.2% |
| 1970 | 76.47 terawatt-hours | +0.8% |
| 1971 | 80.22 terawatt-hours | +4.9% |
| 1972 | 81.65 terawatt-hours | +1.8% |
| 1973 | 79.4 terawatt-hours | -2.8% |
| 1974 | 79.13 terawatt-hours | -0.3% |
| 1975 | 78.79 terawatt-hours | -0.4% |
| 1976 | 78.1 terawatt-hours | -0.9% |
| 1977 | 80.21 terawatt-hours | +2.7% |
| 1978 | 84.11 terawatt-hours | +4.9% |
| 1979 | 82.72 terawatt-hours | -1.6% |
| 1980 | 94.16 terawatt-hours | +13.8% |
| 1981 | 91.63 terawatt-hours | -2.7% |
| 1982 | 93.27 terawatt-hours | +1.8% |
| 1983 | 93.4 terawatt-hours | +0.1% |
| 1984 | 99.36 terawatt-hours | +6.4% |
| 1985 | 98.56 terawatt-hours | -0.8% |
| 1986 | 91.04 terawatt-hours | -7.6% |
| 1987 | 95.63 terawatt-hours | +5.0% |
| 1988 | 99.67 terawatt-hours | +4.2% |
| 1989 | 96.13 terawatt-hours | -3.5% |
| 1990 | 91.08 terawatt-hours | -5.3% |
| 1991 | 80.94 terawatt-hours | -11.1% |
| 1992 | 72.11 terawatt-hours | -10.9% |
| 1993 | 71.19 terawatt-hours | -1.3% |
| 1994 | 63.49 terawatt-hours | -10.8% |
| 1995 | 63.31 terawatt-hours | -0.3% |
| 1996 | 62.28 terawatt-hours | -1.6% |
| 1997 | 58.49 terawatt-hours | -6.1% |
| 1998 | 53.27 terawatt-hours | -8.9% |
| 1999 | 52.97 terawatt-hours | -0.5% |
| 2000 | 49.75 terawatt-hours | -6.1% |
| 2001 | 51.44 terawatt-hours | +3.4% |
| 2002 | 49.82 terawatt-hours | -3.1% |
| 2003 | 53.99 terawatt-hours | +8.4% |
| 2004 | 52.96 terawatt-hours | -1.9% |
| 2005 | 49.09 terawatt-hours | -7.3% |
| 2006 | 51.2 terawatt-hours | +4.3% |
| 2007 | 45.88 terawatt-hours | -10.4% |
| 2008 | 45.76 terawatt-hours | -0.3% |
| 2009 | 44.54 terawatt-hours | -2.6% |
| 2010 | 44.79 terawatt-hours | +0.5% |
| 2011 | 42.46 terawatt-hours | -5.2% |
| 2012 | 40.04 terawatt-hours | -5.7% |
| 2013 | 39.8 terawatt-hours | -0.6% |
| 2014 | 39.09 terawatt-hours | -1.8% |
| 2015 | 37.68 terawatt-hours | -3.6% |
| 2016 | 37.19 terawatt-hours | -1.3% |
| 2017 | 38.87 terawatt-hours | +4.5% |
| 2018 | 38.57 terawatt-hours | -0.7% |
| 2019 | 31.43 terawatt-hours | -18.5% |
| 2020 | 26.94 terawatt-hours | -14.3% |
| 2021 | 32.7 terawatt-hours | +21.4% |
| 2022 | 27.93 terawatt-hours | -14.6% |
| 2023 | 27.4 terawatt-hours | -1.9% |
| 2024 | 22.76 terawatt-hours | -16.9% |
| 2025 | 20.03 terawatt-hours | -12.0% |
Slovakia compared with similar countries
- Slovakia's 20.03 terawatt-hours is above the median for high income countries, which is 20.03 terawatt-hours, 1.0× the median. (47 countries reporting)
- Slovakia's 20.03 terawatt-hours is above the median for Europe & Central Asia, which is 16.9 terawatt-hours, 1.2× the median. (39 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 71.58 terawatt-hours | 68.57 terawatt-hours | 75.86 terawatt-hours | 5 |
| 1970s | 80.08 terawatt-hours | 76.47 terawatt-hours | 84.11 terawatt-hours | 10 |
| 1980s | 95.29 terawatt-hours | 91.04 terawatt-hours | 99.67 terawatt-hours | 10 |
| 1990s | 66.91 terawatt-hours | 52.97 terawatt-hours | 91.08 terawatt-hours | 10 |
| 2000s | 49.44 terawatt-hours | 44.54 terawatt-hours | 53.99 terawatt-hours | 10 |
| 2010s | 38.99 terawatt-hours | 31.43 terawatt-hours | 44.79 terawatt-hours | 10 |
| 2020s | 26.29 terawatt-hours | 20.03 terawatt-hours | 32.7 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 primary energy use by source in Slovakia?
- Primary energy use by source in Slovakia was 20.03 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 use by source recorded in Slovakia?
- The highest recorded value was 99.67 terawatt-hours in 1988.
- What is the lowest primary energy use by source recorded in Slovakia?
- The lowest recorded value was 20.03 terawatt-hours in 2025.
- How does Slovakia rank for primary energy use by source?
- Slovakia ranks 44th out of 79 countries with data for 2025.
- Is primary energy use by source rising or falling in Slovakia?
- Over the last ten years it is down 46.9%. The long-run trend across the full record is falling.
- 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 use by source. Statizoid updates them automatically from the source API.
Download this data
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About this data
Measured in terawatt-hours of total energy supply.