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Built 2026-11-05 (5 November 2026)

Hungary vs Slovakia: Electricity Compared

Hungary generated 40.1 TWh of electricity in 2025 and Slovakia 29.1 TWh, according to Ember. Nuclear was the largest source in both, at 40.1% in Hungary and 66.4% in Slovakia. Each kWh generated emitted 162 gCO2/kWh in Hungary and 95 gCO2/kWh in Slovakia. These are Ember annual statistics for 2025, compiled from national sources; they are not real time.

Who is bigger and who is cleaner? Hungary is the bigger electricity producer, generating 1.4 times as much as Slovakia in 2025 (40.1 TWh against 29.1 TWh). Slovakia has the cleaner electricity by carbon intensity, at 95 gCO2/kWh against 162 gCO2/kWh in Hungary in 2025.

Why this comparison: neighbours by land border or interconnector.

Open this comparison in the interactive tool to add more countries or change the metric.

Key Facts

  • Nuclear supplied 66.4% of Slovakia's electricity in 2025, against 40.1% in Hungary.
  • Hungary's electricity was 1.7 times as carbon intensive as Slovakia's in 2025, at 162 gCO2/kWh against 95 gCO2/kWh.
  • Electricity demand rose 5% in Hungary between 2020 and 2025, while it fell 7% in Slovakia.
  • Low carbon sources supplied 75.4% of Hungary's electricity in 2025 and 85.1% of Slovakia's.
  • Electricity demand in 2025 was 49.1 TWh in Hungary and 26.7 TWh in Slovakia.

Key Figures, 2025

Ember annual statistics
Measure Hungary Slovakia
Total generation40.1 TWh29.1 TWh
Electricity demand49.1 TWh26.7 TWh
Demand per person5.11 MWh4.88 MWh
Carbon intensity162 gCO2/kWh95 gCO2/kWh
Power sector emissions6.50 MtCO22.77 MtCO2
Low carbon share75.4%85.1%
Largest sourceNuclear 40.1%Nuclear 66.4%

Generation Mix, 2025

Share of generation
Source Hungary Slovakia
Nuclear 40.1% 66.4%
Solar 27.1% 2.5%
Gas 20.3% 11.3%
Hydro 0.6% 10.8%
Bioenergy 6.0% 5.4%
Coal 3.3% 1.1%
Other fossil 1.0% 2.5%
Wind 1.5% 0.0%
Other renewables 0.1% 0.0%

Carbon Intensity, 1990 to 2025

Ember annual statistics
Carbon intensity of electricity in Hungary and Slovakia, 1990 to 2025 Carbon intensity of electricity generated in Hungary and Slovakia each year from 1990 to 2025, in gCO2/kWh. In 2025 it was 162 gCO2/kWh in Hungary and 95 gCO2/kWh in Slovakia. 0 125 250 375 500 19901995200020052010201520202025
Carbon intensity of electricity generated in Hungary and Slovakia each year from 1990 to 2025, in gCO2/kWh. In 2025 it was 162 gCO2/kWh in Hungary and 95 gCO2/kWh in Slovakia.
Annual statistics through 2025, gCO2/kWh
Carbon intensity of electricity in Hungary and Slovakia, 1990 to 2025
YearHungarySlovakia
1990415 gCO2/kWh387 gCO2/kWh
1991417 gCO2/kWh371 gCO2/kWh
1992443 gCO2/kWh392 gCO2/kWh
1993454 gCO2/kWh325 gCO2/kWh
1994445 gCO2/kWh273 gCO2/kWh
1995450 gCO2/kWh322 gCO2/kWh
1996452 gCO2/kWh323 gCO2/kWh
1997459 gCO2/kWh332 gCO2/kWh
1998463 gCO2/kWh322 gCO2/kWh
1999466 gCO2/kWh306 gCO2/kWh
2000451 gCO2/kWh251 gCO2/kWh
2001439 gCO2/kWh251 gCO2/kWh
2002432 gCO2/kWh225 gCO2/kWh
2003469 gCO2/kWh257 gCO2/kWh
2004431 gCO2/kWh253 gCO2/kWh
2005383 gCO2/kWh239 gCO2/kWh
2006390 gCO2/kWh231 gCO2/kWh
2007386 gCO2/kWh235 gCO2/kWh
2008376 gCO2/kWh224 gCO2/kWh
2009344 gCO2/kWh221 gCO2/kWh
2010341 gCO2/kWh205 gCO2/kWh
2011341 gCO2/kWh214 gCO2/kWh
2012333 gCO2/kWh204 gCO2/kWh
2013318 gCO2/kWh181 gCO2/kWh
2014300 gCO2/kWh173 gCO2/kWh
2015298 gCO2/kWh178 gCO2/kWh
2016300 gCO2/kWh177 gCO2/kWh
2017290 gCO2/kWh184 gCO2/kWh
2018284 gCO2/kWh191 gCO2/kWh
2019266 gCO2/kWh171 gCO2/kWh
2020257 gCO2/kWh159 gCO2/kWh
2021239 gCO2/kWh167 gCO2/kWh
2022229 gCO2/kWh142 gCO2/kWh
2023196 gCO2/kWh115 gCO2/kWh
2024184 gCO2/kWh97 gCO2/kWh
2025162 gCO2/kWh95 gCO2/kWh

Demand per Person, 1990 to 2025

Ember annual statistics
Electricity demand per person in Hungary and Slovakia, 1990 to 2025 Electricity demand per person in Hungary and Slovakia each year from 1990 to 2025, in MWh. In 2025 it was 5.11 MWh in Hungary and 4.88 MWh in Slovakia. 0.0 1.5 3.0 4.5 6.0 19901995200020052010201520202025
Electricity demand per person in Hungary and Slovakia each year from 1990 to 2025, in MWh. In 2025 it was 5.11 MWh in Hungary and 4.88 MWh in Slovakia.
Annual statistics through 2025, MWh
Electricity demand per person in Hungary and Slovakia, 1990 to 2025
YearHungarySlovakia
1990n/an/a
1991n/an/a
1992n/an/a
1993n/an/a
1994n/an/a
1995n/an/a
1996n/an/a
1997n/an/a
1998n/an/a
1999n/an/a
20003.79 MWh5.22 MWh
20013.89 MWh5.23 MWh
20023.99 MWh5.21 MWh
20034.06 MWh5.34 MWh
20044.08 MWh5.32 MWh
20054.17 MWh5.22 MWh
20064.29 MWh5.38 MWh
20074.38 MWh5.50 MWh
20084.39 MWh5.43 MWh
20094.14 MWh5.06 MWh
20104.27 MWh5.29 MWh
20114.29 MWh5.37 MWh
20124.30 MWh5.31 MWh
20134.26 MWh5.28 MWh
20144.34 MWh5.21 MWh
20154.47 MWh5.35 MWh
20164.55 MWh5.43 MWh
20174.68 MWh5.60 MWh
20184.75 MWh5.57 MWh
20194.80 MWh5.49 MWh
20204.78 MWh5.29 MWh
20215.03 MWh5.60 MWh
20224.95 MWh5.11 MWh
20234.82 MWh4.73 MWh
20245.04 MWh4.83 MWh
20255.11 MWh4.88 MWh

Hungary history · Slovakia history

Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of 2025.

Cite this page
APA 7

World Power Monitor. (2025). Hungary vs Slovakia: Electricity Compared. https://worldpowermonitor.com/compare/hungary-vs-slovakia/

Plain text

World Power Monitor. Hungary vs Slovakia: Electricity Compared. Data as of 2025. Data from Ember. https://worldpowermonitor.com/compare/hungary-vs-slovakia/

BibTeX 
@misc{wpm_compare_hungary_vs_slovakia_2025,
  title = {{Hungary vs Slovakia: Electricity Compared}},
  author = {{World Power Monitor}},
  year = {2025},
  note = {Data as of 2025. Data from Ember.},
  url = {https://worldpowermonitor.com/compare/hungary-vs-slovakia/}
}

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