Slovenia vs Sweden: Fossil fuel supply by source

Slovenia
9.06 terawatt-hours
in 2025
Sweden
8.5 terawatt-hours
in 2025
Slovenia rank
71st
Sweden rank
72nd

Fossil fuel supply by source over time

  • Slovenia
  • Sweden
051015198520052025

How they compare

Slovenia currently reports 9.06 terawatt-hours against 8.5 terawatt-hours in Sweden, a difference of 0.56 terawatt-hours.

That makes Slovenia's figure about 1.1 times Sweden's.

The two have swapped places 4 times across 36 shared years of data; in 1990 it was Slovenia ahead.

Slovenia ranks 71st and Sweden ranks 72nd of 77 countries.

Across the 4 decades both report, Slovenia averaged higher in 2 and Sweden in 2.

Head to head by decade

Decade Slovenia Sweden Difference Ahead
1990s 8.55 terawatt-hours 7.66 terawatt-hours 0.8931 terawatt-hours Slovenia
2000s 10.18 terawatt-hours 9.25 terawatt-hours 0.9265 terawatt-hours Slovenia
2010s 8.39 terawatt-hours 10.64 terawatt-hours 2.25 terawatt-hours Sweden
2020s 8.42 terawatt-hours 9.2 terawatt-hours 0.7809 terawatt-hours Sweden

Averages of every year both report within each decade.

Frequently asked questions

Which has higher fossil fuel supply by source, Slovenia or Sweden?
Slovenia, at 9.06 terawatt-hours against 8.5 terawatt-hours in Sweden as of 2025.
What is the difference in fossil fuel supply by source between Slovenia and Sweden?
0.56 terawatt-hours, with Slovenia ahead.
How many years of comparable data are there for Slovenia and Sweden?
36 years are reported by both, from 1990 to 2025.
How do Slovenia and Sweden rank globally for fossil fuel supply by source?
Slovenia ranks 71st and Sweden ranks 72nd 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 Fossil fuel supply by source. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Slovenia vs Sweden: Fossil fuel supply by source. Statizoid, drawing on Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Retrieved 24 August 2026, from https://energy.statizoid.com/compare/global-fossil-fuel-consumption/slovenia/sweden/

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About this data

Indicator
Fossil fuel supply by source
Unit
terawatt-hours
Source
Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
79 places, 4,176 data points, 1965–2025
Last refreshed

Measured in terawatt-hours of total energy supply.