Greece vs Slovenia: Annual change in primary energy from oil

Greece
0.9596 terawatt-hours
in 2025
Slovenia
1.54 terawatt-hours
in 2025
Greece rank
34th
Slovenia rank
31st

Annual change in primary energy from oil over time

  • Greece
  • Slovenia
-40-20020196619952025

How they compare

Slovenia currently reports 1.54 terawatt-hours against 0.9596 terawatt-hours in Greece, a difference of 0.5804 terawatt-hours.

That makes Slovenia's figure about 1.6 times Greece's.

The two have swapped places 13 times across 35 shared years of data; in 1991 it was Greece ahead.

Greece ranks 34th and Slovenia ranks 31st of 80 countries.

Across the 4 decades both report, Greece averaged higher in 3 and Slovenia in 1.

Head to head by decade

Decade Greece Slovenia Difference Ahead
1990s 4.35 terawatt-hours 1.03 terawatt-hours 3.32 terawatt-hours Greece
2000s 1.1 terawatt-hours 0.0981 terawatt-hours 0.9973 terawatt-hours Greece
2010s -5.96 terawatt-hours -0.0537 terawatt-hours 5.91 terawatt-hours Slovenia
2020s -0.2001 terawatt-hours -0.2205 terawatt-hours 0.0204 terawatt-hours Greece

Averages of every year both report within each decade.

Frequently asked questions

Which has higher annual change in primary energy from oil, Greece or Slovenia?
Slovenia, at 1.54 terawatt-hours against 0.9596 terawatt-hours in Greece as of 2025.
What is the difference in annual change in primary energy from oil between Greece and Slovenia?
0.5804 terawatt-hours, with Slovenia ahead.
How many years of comparable data are there for Greece and Slovenia?
35 years are reported by both, from 1991 to 2025.
How do Greece and Slovenia rank globally for annual change in primary energy from oil?
Greece ranks 34th and Slovenia ranks 31st 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 oil. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Greece vs Slovenia: Annual change in primary energy from oil. Statizoid, drawing on Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Retrieved 23 September 2026, from https://reference.statizoid.com/compare/annual-change-oil/greece/slovenia/

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About this data

Indicator
Annual change in primary energy from oil
Unit
terawatt-hours
Source
Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
82 places, 4,598 data points, 1966–2025
Last refreshed

Change in total energy supply relative to the previous year, measured in terawatt-hours.