Finland vs Slovenia: Annual change in primary energy from hydropower
Finland
-1.85 terawatt-hours
in 2025
Slovenia
-1.34 terawatt-hours
in 2025
Finland rank
65th
Slovenia rank
64th
Annual change in primary energy from hydropower over time
- Finland
- Slovenia
How they compare
Slovenia currently reports -1.34 terawatt-hours against -1.85 terawatt-hours in Finland, a difference of 0.51 terawatt-hours.
The two have swapped places 17 times across 35 shared years of data; in 1991 it was Finland ahead.
Finland ranks 65th and Slovenia ranks 64th of 80 countries.
Across the 4 decades both report, Finland averaged higher in 2 and Slovenia in 2.
Head to head by decade
| Decade | Finland | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 0.2134 terawatt-hours | 0.085 terawatt-hours | 0.1284 terawatt-hours | Finland |
| 2000s | -0.0094 terawatt-hours | 0.0976 terawatt-hours | 0.107 terawatt-hours | Slovenia |
| 2010s | -0.0266 terawatt-hours | -0.0236 terawatt-hours | 0.003 terawatt-hours | Slovenia |
| 2020s | 0.004 terawatt-hours | -0.081 terawatt-hours | 0.085 terawatt-hours | Finland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from hydropower, Finland or Slovenia?
- Slovenia, at -1.34 terawatt-hours against -1.85 terawatt-hours in Finland as of 2025.
- What is the difference in annual change in primary energy from hydropower between Finland and Slovenia?
- 0.51 terawatt-hours, with Slovenia ahead.
- How many years of comparable data are there for Finland and Slovenia?
- 35 years are reported by both, from 1991 to 2025.
- How do Finland and Slovenia rank globally for annual change in primary energy from hydropower?
- Finland ranks 65th and Slovenia ranks 64th of 80 countries.
- Where does this data come from?
- Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as Annual change in primary energy from hydropower. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.