Hungary vs Slovenia: Electricity Compared

Hungary generated 40.1 TWh of electricity in 2025 and Slovenia 14.9 TWh, according to Ember. Nuclear was the largest source in both, at 40.1% in Hungary and 39.3% in Slovenia. Each kWh generated emitted 162 gCO2/kWh in Hungary and 183 gCO2/kWh in Slovenia. 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 2.7 times as much as Slovenia in 2025 (40.1 TWh against 14.9 TWh). Hungary has the cleaner electricity by carbon intensity, at 162 gCO2/kWh against 183 gCO2/kWh in Slovenia 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

Hydro supplied 27.5% of Slovenia's electricity in 2025, against 0.6% in Hungary.
Electricity demand rose 5% in Hungary between 2020 and 2025, while it fell 4% in Slovenia.
Low carbon sources supplied 75.4% of Hungary's electricity in 2025 and 78.9% of Slovenia's.
Electricity demand in 2025 was 49.1 TWh in Hungary and 14.4 TWh in Slovenia.

Key Figures, 2025

Ember annual statistics

Measure	Hungary	Slovenia
Total generation	40.1 TWh	14.9 TWh
Electricity demand	49.1 TWh	14.4 TWh
Demand per person	5.11 MWh	6.80 MWh
Carbon intensity	162 gCO2/kWh	183 gCO2/kWh
Power sector emissions	6.50 MtCO2	2.72 MtCO2
Low carbon share	75.4%	78.9%
Largest source	Nuclear 40.1%	Nuclear 39.3%

Generation Mix, 2025

Share of generation

Source	Hungary	Slovenia
Nuclear	40.1%	39.3%
Hydro	0.6%	27.5%
Solar	27.1%	10.1%
Gas	20.3%	6.4%
Coal	3.3%	14.7%
Bioenergy	6.0%	1.9%
Wind	1.5%	0.1%
Other fossil	1.0%	0.0%
Other renewables	0.1%	0.0%

Carbon Intensity, 1990 to 2025

Ember annual statistics

Carbon intensity of electricity generated in Hungary and Slovenia each year from 1990 to 2025, in gCO2/kWh. In 2025 it was 162 gCO2/kWh in Hungary and 183 gCO2/kWh in Slovenia.

Annual statistics through 2025, gCO2/kWh

Carbon intensity of electricity in Hungary and Slovenia, 1990 to 2025
Year	Hungary	Slovenia
1990	415 gCO2/kWh	376 gCO2/kWh
1991	417 gCO2/kWh	325 gCO2/kWh
1992	443 gCO2/kWh	406 gCO2/kWh
1993	454 gCO2/kWh	419 gCO2/kWh
1994	445 gCO2/kWh	384 gCO2/kWh
1995	450 gCO2/kWh	382 gCO2/kWh
1996	452 gCO2/kWh	367 gCO2/kWh
1997	459 gCO2/kWh	387 gCO2/kWh
1998	463 gCO2/kWh	384 gCO2/kWh
1999	466 gCO2/kWh	362 gCO2/kWh
2000	451 gCO2/kWh	362 gCO2/kWh
2001	439 gCO2/kWh	366 gCO2/kWh
2002	432 gCO2/kWh	386 gCO2/kWh
2003	469 gCO2/kWh	394 gCO2/kWh
2004	431 gCO2/kWh	364 gCO2/kWh
2005	383 gCO2/kWh	371 gCO2/kWh
2006	390 gCO2/kWh	383 gCO2/kWh
2007	386 gCO2/kWh	389 gCO2/kWh
2008	376 gCO2/kWh	351 gCO2/kWh
2009	344 gCO2/kWh	341 gCO2/kWh
2010	341 gCO2/kWh	353 gCO2/kWh
2011	341 gCO2/kWh	360 gCO2/kWh
2012	333 gCO2/kWh	359 gCO2/kWh
2013	318 gCO2/kWh	336 gCO2/kWh
2014	300 gCO2/kWh	245 gCO2/kWh
2015	298 gCO2/kWh	317 gCO2/kWh
2016	300 gCO2/kWh	326 gCO2/kWh
2017	290 gCO2/kWh	319 gCO2/kWh
2018	284 gCO2/kWh	305 gCO2/kWh
2019	266 gCO2/kWh	299 gCO2/kWh
2020	257 gCO2/kWh	277 gCO2/kWh
2021	239 gCO2/kWh	269 gCO2/kWh
2022	229 gCO2/kWh	258 gCO2/kWh
2023	196 gCO2/kWh	224 gCO2/kWh
2024	184 gCO2/kWh	230 gCO2/kWh
2025	162 gCO2/kWh	183 gCO2/kWh

Demand per Person, 1990 to 2025

Ember annual statistics

Electricity demand per person in Hungary and Slovenia each year from 1990 to 2025, in MWh. In 2025 it was 5.11 MWh in Hungary and 6.80 MWh in Slovenia.

Annual statistics through 2025, MWh

Electricity demand per person in Hungary and Slovenia, 1990 to 2025
Year	Hungary	Slovenia
1990	n/a	n/a
1991	n/a	n/a
1992	n/a	n/a
1993	n/a	n/a
1994	n/a	n/a
1995	n/a	n/a
1996	n/a	n/a
1997	n/a	n/a
1998	n/a	n/a
1999	n/a	n/a
2000	3.79 MWh	6.19 MWh
2001	3.89 MWh	6.39 MWh
2002	3.99 MWh	6.76 MWh
2003	4.06 MWh	7.02 MWh
2004	4.08 MWh	7.28 MWh
2005	4.17 MWh	7.41 MWh
2006	4.29 MWh	7.56 MWh
2007	4.38 MWh	7.58 MWh
2008	4.39 MWh	7.31 MWh
2009	4.14 MWh	6.55 MWh
2010	4.27 MWh	6.92 MWh
2011	4.29 MWh	7.10 MWh
2012	4.30 MWh	7.07 MWh
2013	4.26 MWh	7.06 MWh
2014	4.34 MWh	7.00 MWh
2015	4.47 MWh	7.16 MWh
2016	4.55 MWh	7.30 MWh
2017	4.68 MWh	7.53 MWh
2018	4.75 MWh	7.55 MWh
2019	4.80 MWh	7.47 MWh
2020	4.78 MWh	7.08 MWh
2021	5.03 MWh	7.25 MWh
2022	4.95 MWh	7.00 MWh
2023	4.82 MWh	6.63 MWh
2024	5.04 MWh	6.75 MWh
2025	5.11 MWh	6.80 MWh

Hungary history · Slovenia 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 Slovenia: Electricity Compared. https://worldpowermonitor.com/compare/hungary-vs-slovenia/

Plain text

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

BibTeX

@misc{wpm_compare_hungary_vs_slovenia_2025,
  title = {{Hungary vs Slovenia: Electricity Compared}},
  author = {{World Power Monitor}},
  year = {2025},
  note = {Data as of 2025. Data from Ember.},
  url = {https://worldpowermonitor.com/compare/hungary-vs-slovenia/}
}

Permalink: https://worldpowermonitor.com/compare/hungary-vs-slovenia/

The Copy buttons add today's date as the access date.

Hungary vs Slovenia: Electricity Compared

Key Facts

Key Figures, 2025

Generation Mix, 2025

Carbon Intensity, 1990 to 2025

Demand per Person, 1990 to 2025

Related