Bulgaria vs Slovakia: Alternative and nuclear energy

Bulgaria
29.8%
in 2023
Slovakia
32.3%
in 2024
Bulgaria rank
16th
Slovakia rank
14th

Alternative and nuclear energy over time

  • Bulgaria
  • Slovakia
0102030199020072024

How they compare

Slovakia currently reports 32.3% against 29.8% in Bulgaria, a difference of 2.5%.

That makes Slovakia's figure about 1.1 times Bulgaria's.

The two have swapped places 8 times across 34 shared years of data; in 1990 it was Slovakia ahead.

Bulgaria ranks 16th and Slovakia ranks 14th of 151 countries.

Across the 4 decades both report, Bulgaria averaged higher in 2 and Slovakia in 2.

Head to head by decade

Decade Bulgaria Slovakia Difference Ahead
1990s 19.5% 18.4% 1.1% Bulgaria
2000s 25.3% 26.4% 1.1% Slovakia
2010s 25.5% 25.3% 0.1% Bulgaria
2020s 27.6% 28.0% 0.4% Slovakia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher alternative and nuclear energy, Bulgaria or Slovakia?
Slovakia, at 32.3% against 29.8% in Bulgaria as of 2024.
What is the difference in alternative and nuclear energy between Bulgaria and Slovakia?
2.5%, with Slovakia ahead.
How many years of comparable data are there for Bulgaria and Slovakia?
34 years are reported by both, from 1990 to 2023.
How do Bulgaria and Slovakia rank globally for alternative and nuclear energy?
Bulgaria ranks 16th and Slovakia ranks 14th of 151 countries.
Where does this data come from?
IEA Energy Statistics Data Browser, International Energy Agency (IEA), published as Alternative and nuclear energy (% of total energy use). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Slovakia: Alternative and nuclear energy. Statizoid, drawing on IEA Energy Statistics Data Browser, International Energy Agency (IEA). Retrieved 14 September 2026, from https://energy.statizoid.com/compare/alternative-and-nuclear-energy-percent-of-total-energy-use/bulgaria/slovak-republic/

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About this data

Indicator
Alternative and nuclear energy (% of total energy use)
Unit
% of total energy use
Source
IEA Energy Statistics Data Browser, International Energy Agency (IEA)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
197 places, 6,669 data points, 1990–2024
Last refreshed

Clean energy is noncarbohydrate energy that does not produce carbon dioxide when generated. It includes hydropower and nuclear, geothermal, and solar power, among others. This is the share of total energy supply that is non-fossil.