Bulgaria vs Slovakia: Electricity generation from low-carbon sources

Bulgaria
27.3 terawatt-hours
in 2025
Slovakia
24.78 terawatt-hours
in 2025
Bulgaria rank
52nd
Slovakia rank
53rd

Electricity generation from low-carbon sources over time

  • Bulgaria
  • Slovakia
0102030197119982025

How they compare

Bulgaria currently reports 27.3 terawatt-hours against 24.78 terawatt-hours in Slovakia, a difference of 2.52 terawatt-hours.

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

The two have swapped places 10 times across 36 shared years of data; in 1990 it was Bulgaria ahead.

Bulgaria ranks 52nd and Slovakia ranks 53rd of 209 countries.

Across the 4 decades both report, Bulgaria averaged higher in 3 and Slovakia in 1.

Head to head by decade

Decade Bulgaria Slovakia Difference Ahead
1990s 17.7 terawatt-hours 15.21 terawatt-hours 2.49 terawatt-hours Bulgaria
2000s 20.64 terawatt-hours 21.5 terawatt-hours 0.86 terawatt-hours Slovakia
2010s 22.48 terawatt-hours 21.25 terawatt-hours 1.23 terawatt-hours Bulgaria
2020s 26.29 terawatt-hours 23.61 terawatt-hours 2.68 terawatt-hours Bulgaria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher electricity generation from low-carbon sources, Bulgaria or Slovakia?
Bulgaria, at 27.3 terawatt-hours against 24.78 terawatt-hours in Slovakia as of 2025.
What is the difference in electricity generation from low-carbon sources between Bulgaria and Slovakia?
2.52 terawatt-hours, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Slovakia?
36 years are reported by both, from 1990 to 2025.
How do Bulgaria and Slovakia rank globally for electricity generation from low-carbon sources?
Bulgaria ranks 52nd and Slovakia ranks 53rd of 209 countries.
Where does this data come from?
Ember (2026) and other sources – with major processing by Our World in Data, published as Electricity generation from low-carbon sources. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator
Electricity generation from low-carbon sources
Unit
terawatt-hours
Source
Ember (2026) and other sources – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
216 places, 7,081 data points, 1920–2025
Last refreshed

Measured in terawatt-hours. Low-carbon sources correspond to renewables and nuclear power, that produce significantly less greenhouse-gas emissions than fossil fuels. Renewables include solar, wind, hydropower, bioenergy, geothermal, wave, and tidal.