Greece vs Slovenia: Primary energy from hydropower
Greece
3.45 terawatt-hours
in 2025
Slovenia
3.99 terawatt-hours
in 2025
Greece rank
47th
Slovenia rank
45th
Primary energy from hydropower over time
- Greece
- Slovenia
How they compare
Slovenia currently reports 3.99 terawatt-hours against 3.45 terawatt-hours in Greece, a difference of 0.54 terawatt-hours.
That makes Slovenia's figure about 1.2 times Greece's.
The two have swapped places 10 times across 36 shared years of data; in 1990 it was Slovenia ahead.
Greece ranks 47th and Slovenia ranks 45th of 77 countries.
Across the 4 decades both report, Greece averaged higher in 2 and Slovenia in 2.
Head to head by decade
| Decade | Greece | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 3.2 terawatt-hours | 3.36 terawatt-hours | 0.1619 terawatt-hours | Slovenia |
| 2000s | 4.02 terawatt-hours | 3.7 terawatt-hours | 0.3121 terawatt-hours | Greece |
| 2010s | 5.21 terawatt-hours | 4.41 terawatt-hours | 0.7987 terawatt-hours | Greece |
| 2020s | 3.99 terawatt-hours | 4.52 terawatt-hours | 0.5321 terawatt-hours | Slovenia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy from hydropower, Greece or Slovenia?
- Slovenia, at 3.99 terawatt-hours against 3.45 terawatt-hours in Greece as of 2025.
- What is the difference in primary energy from hydropower between Greece and Slovenia?
- 0.54 terawatt-hours, with Slovenia ahead.
- How many years of comparable data are there for Greece and Slovenia?
- 36 years are reported by both, from 1990 to 2025.
- How do Greece and Slovenia rank globally for primary energy from hydropower?
- Greece ranks 47th and Slovenia ranks 45th of 77 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as Primary energy from hydropower. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured in terawatt-hours of total energy supply.