Portugal vs Slovenia: Annual change in primary energy from renewables

Portugal
-0.5683 terawatt-hours
in 2025
Slovenia
-0.7645 terawatt-hours
in 2025
Portugal rank
67th
Slovenia rank
68th

Annual change in primary energy from renewables over time

  • Portugal
  • Slovenia
-10-50510196619952025

How they compare

Portugal currently reports -0.5683 terawatt-hours against -0.7645 terawatt-hours in Slovenia, a difference of 0.1962 terawatt-hours.

The two have swapped places 21 times across 35 shared years of data; in 1991 it was Slovenia ahead.

Portugal ranks 67th and Slovenia ranks 68th of 80 countries.

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

Head to head by decade

Decade Portugal Slovenia Difference Ahead
1990s 0.0482 terawatt-hours 0.0954 terawatt-hours 0.0473 terawatt-hours Slovenia
2000s 1.51 terawatt-hours 0.1822 terawatt-hours 1.33 terawatt-hours Portugal
2010s 1.25 terawatt-hours 0.1009 terawatt-hours 1.15 terawatt-hours Portugal
2020s 2.38 terawatt-hours 0.1687 terawatt-hours 2.21 terawatt-hours Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher annual change in primary energy from renewables, Portugal or Slovenia?
Portugal, at -0.5683 terawatt-hours against -0.7645 terawatt-hours in Slovenia as of 2025.
What is the difference in annual change in primary energy from renewables between Portugal and Slovenia?
0.1962 terawatt-hours, with Portugal ahead.
How many years of comparable data are there for Portugal and Slovenia?
35 years are reported by both, from 1991 to 2025.
How do Portugal and Slovenia rank globally for annual change in primary energy from renewables?
Portugal ranks 67th and Slovenia ranks 68th of 80 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 Annual change in primary energy from renewables. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Portugal vs Slovenia: Annual change in primary energy from renewables. Statizoid, drawing on Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Retrieved 21 August 2026, from https://energy.statizoid.com/compare/annual-change-renewables/portugal/slovenia/

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About this data

Indicator
Annual change in primary energy from renewables
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
82 places, 4,604 data points, 1966–2025
Last refreshed

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