Year-to-year change in primary energy from fossil fuels vs. in Slovakia
Slovakia: Year-to-year change in primary energy from fossil fuels vs. was 0.8701 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
0.8701 terawatt-hours
Change on year
up 81.7%
World rank
43rd
of 80 countries
All-time high
10.37 terawatt-hours
in 2000
All-time low
-7.61 terawatt-hours
in 2007
Years of data
60
1966–2025
Year-to-year change in primary energy from fossil fuels vs. low-carbon energy 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 0.8701 terawatt-hours for year-to-year change in primary energy from fossil fuels vs. low-carbon energy in 2025.
Compared with earlier readings it is up 81.7% on the previous year and up 243.3% over ten years.
Over the whole period, year-to-year change in primary energy from fossil fuels vs. low-carbon energy in Slovakia peaked at 10.37 terawatt-hours in 2000 and was at its lowest, -7.61 terawatt-hours, in 2007.
That places Slovakia 43rd out of 80 countries with data for 2025, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Year-to-year change in primary energy from fossil fuels vs. in Slovakia, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | -0.0928 terawatt-hours | — |
| 1967 | -0.3049 terawatt-hours | +228.6% |
| 1968 | -0.1503 terawatt-hours | -50.7% |
| 1969 | -0.3712 terawatt-hours | +147.1% |
| 1970 | 0.6629 terawatt-hours | -278.6% |
| 1971 | -0.4906 terawatt-hours | -174.0% |
| 1972 | 0.0791 terawatt-hours | -116.1% |
| 1973 | 0.4699 terawatt-hours | +494.2% |
| 1974 | 1.67 terawatt-hours | +255.5% |
| 1975 | -1.13 terawatt-hours | -167.5% |
| 1976 | 0.7897 terawatt-hours | -170.1% |
| 1977 | -0.6049 terawatt-hours | -176.6% |
| 1978 | -0.4369 terawatt-hours | -27.8% |
| 1979 | 6.07 terawatt-hours | -1490.2% |
| 1980 | 7.57 terawatt-hours | +24.7% |
| 1981 | 1.56 terawatt-hours | -79.4% |
| 1982 | 1.9 terawatt-hours | +22.1% |
| 1983 | 1.05 terawatt-hours | -45.0% |
| 1984 | 3.02 terawatt-hours | +189.2% |
| 1985 | 7.06 terawatt-hours | +133.4% |
| 1986 | 6.63 terawatt-hours | -6.0% |
| 1987 | -0.3582 terawatt-hours | -105.4% |
| 1988 | -0.2952 terawatt-hours | -17.6% |
| 1989 | 2.28 terawatt-hours | -871.3% |
| 1990 | -0.4487 terawatt-hours | -119.7% |
| 1991 | -1.52 terawatt-hours | +239.6% |
| 1992 | -1.41 terawatt-hours | -7.6% |
| 1993 | 2.85 terawatt-hours | -302.6% |
| 1994 | 4.25 terawatt-hours | +49.0% |
| 1995 | -2.98 terawatt-hours | -170.2% |
| 1996 | -1.22 terawatt-hours | -59.0% |
| 1997 | -0.6963 terawatt-hours | -43.0% |
| 1998 | 1.18 terawatt-hours | -268.8% |
| 1999 | 5.43 terawatt-hours | +361.7% |
| 2000 | 10.37 terawatt-hours | +91.1% |
| 2001 | 2.96 terawatt-hours | -71.4% |
| 2002 | 2.6 terawatt-hours | -12.2% |
| 2003 | -2.23 terawatt-hours | -185.6% |
| 2004 | -2.17 terawatt-hours | -2.8% |
| 2005 | 2.8 terawatt-hours | -229.4% |
| 2006 | 2.09 terawatt-hours | -25.4% |
| 2007 | -7.61 terawatt-hours | -464.2% |
| 2008 | 4.01 terawatt-hours | -152.8% |
| 2009 | -7.42 terawatt-hours | -284.8% |
| 2010 | 2.92 terawatt-hours | -139.3% |
| 2011 | 1.96 terawatt-hours | -32.9% |
| 2012 | 0.9062 terawatt-hours | -53.7% |
| 2013 | 1.59 terawatt-hours | +75.7% |
| 2014 | 0.6285 terawatt-hours | -60.5% |
| 2015 | -0.6071 terawatt-hours | -196.6% |
| 2016 | -0.4939 terawatt-hours | -18.6% |
| 2017 | 0.8218 terawatt-hours | -266.4% |
| 2018 | -1.6 terawatt-hours | -294.8% |
| 2019 | 2.39 terawatt-hours | -249.2% |
| 2020 | 0.6704 terawatt-hours | -71.9% |
| 2021 | 1.21 terawatt-hours | +81.1% |
| 2022 | -0.9972 terawatt-hours | -182.1% |
| 2023 | 8 terawatt-hours | -902.5% |
| 2024 | 0.4789 terawatt-hours | -94.0% |
| 2025 | 0.8701 terawatt-hours | +81.7% |
Slovakia compared with similar countries
- Slovakia's 0.8701 terawatt-hours is above the median for high income countries, which is 0.5633 terawatt-hours, 1.5× the median. (47 countries reporting)
- Slovakia's 0.8701 terawatt-hours is above the median for Europe & Central Asia, which is 0.1847 terawatt-hours, 4.7× the median. (39 countries reporting)
Biggest year-on-year movements
Years where Year-to-year change in primary energy from fossil fuels vs. 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 |
|---|---|---|---|
| 1979 | +1490.2% | -0.4369 terawatt-hours | 6.07 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | -0.2298 terawatt-hours | -0.3712 terawatt-hours | -0.0928 terawatt-hours | 4 |
| 1970s | 0.7086 terawatt-hours | -1.13 terawatt-hours | 6.07 terawatt-hours | 10 |
| 1980s | 3.04 terawatt-hours | -0.3582 terawatt-hours | 7.57 terawatt-hours | 10 |
| 1990s | 0.5421 terawatt-hours | -2.98 terawatt-hours | 5.43 terawatt-hours | 10 |
| 2000s | 0.5428 terawatt-hours | -7.61 terawatt-hours | 10.37 terawatt-hours | 10 |
| 2010s | 0.8511 terawatt-hours | -1.6 terawatt-hours | 2.92 terawatt-hours | 10 |
| 2020s | 1.71 terawatt-hours | -0.9972 terawatt-hours | 8 terawatt-hours | 6 |
Countries ranked near Slovakia
More climate change data for Slovakia
- Nutrient nitrogen N (total) — Synthetic fertilizers (Agricultural) 83.78 million kg (2050)
- Emissions from livestock — Emissions (CO2eq) 1,742 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from N2O 392.81 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from CH4 1,349 kt (2050)
- Emissions from livestock — Emissions 1.48 kt (2050)
- Emissions from livestock — Emissions 48.18 kt (2050)
- Emissions from crops — Emissions (CO2eq) 698.86 kt (2050)
- Emissions from crops — Emissions (CO2eq) from N2O 677.21 kt (2050)
- Emissions from crops — Emissions (CO2eq) from CH4 21.65 kt (2050)
- Emissions from crops — Emissions 2.56 kt (2050)
Frequently asked questions
- What is year-to-year change in primary energy from fossil fuels vs. low-carbon energy in Slovakia?
- Year-to-year change in primary energy from fossil fuels vs. low-carbon energy in Slovakia was 0.8701 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 from fossil fuels vs. low-carbon energy recorded in Slovakia?
- The highest recorded value was 10.37 terawatt-hours in 2000.
- What is the lowest year-to-year change in primary energy from fossil fuels vs. low-carbon energy recorded in Slovakia?
- The lowest recorded value was -7.61 terawatt-hours in 2007.
- How does Slovakia rank for year-to-year change in primary energy from fossil fuels vs. low-carbon energy?
- Slovakia ranks 43rd out of 80 countries with data for 2025.
- Is year-to-year change in primary energy from fossil fuels vs. low-carbon energy rising or falling in Slovakia?
- Over the last ten years it is up 243.3%. 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 from fossil fuels vs. low-carbon energy. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 60 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.