Poland vs Slovakia: Electricity Compared

Poland generated 173 TWh of electricity in 2025 and Slovakia 29.1 TWh, according to Ember. Poland's largest source was coal (50.6%); Slovakia's was nuclear (66.4%). Each kWh generated emitted 591 gCO2/kWh in Poland 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? Poland is the bigger electricity producer, generating 5.9 times as much as Slovakia in 2025 (173 TWh against 29.1 TWh). Slovakia has the cleaner electricity by carbon intensity, at 95 gCO2/kWh against 591 gCO2/kWh in Poland 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 none in Poland.
Poland's electricity was 6.2 times as carbon intensive as Slovakia's in 2025, at 591 gCO2/kWh against 95 gCO2/kWh.
Low carbon sources supplied 31.2% of Poland's electricity in 2025 and 85.1% of Slovakia's.
Electricity demand in 2025 was 174 TWh in Poland and 26.7 TWh in Slovakia.

Key Figures, 2025

Ember annual statistics

Measure	Poland	Slovakia
Total generation	173 TWh	29.1 TWh
Electricity demand	174 TWh	26.7 TWh
Demand per person	4.55 MWh	4.88 MWh
Carbon intensity	591 gCO2/kWh	95 gCO2/kWh
Power sector emissions	102 MtCO2	2.77 MtCO2
Low carbon share	31.2%	85.1%
Largest source	Coal 50.6%	Nuclear 66.4%

Generation Mix, 2025

Share of generation

Source	Poland	Slovakia
Nuclear	0.0%	66.4%
Coal	50.6%	1.1%
Gas	14.4%	11.3%
Wind	13.9%	0.0%
Solar	11.3%	2.5%
Hydro	1.0%	10.8%
Bioenergy	4.9%	5.4%
Other fossil	3.9%	2.5%
Other renewables	0.2%	0.0%

Carbon Intensity, 1990 to 2025

Ember annual statistics

Carbon intensity of electricity generated in Poland and Slovakia each year from 1990 to 2025, in gCO2/kWh. In 2025 it was 591 gCO2/kWh in Poland and 95 gCO2/kWh in Slovakia.

Annual statistics through 2025, gCO2/kWh

Carbon intensity of electricity in Poland and Slovakia, 1990 to 2025
Year	Poland	Slovakia
1990	967 gCO2/kWh	387 gCO2/kWh
1991	968 gCO2/kWh	371 gCO2/kWh
1992	967 gCO2/kWh	392 gCO2/kWh
1993	967 gCO2/kWh	325 gCO2/kWh
1994	964 gCO2/kWh	273 gCO2/kWh
1995	962 gCO2/kWh	322 gCO2/kWh
1996	961 gCO2/kWh	323 gCO2/kWh
1997	959 gCO2/kWh	332 gCO2/kWh
1998	957 gCO2/kWh	322 gCO2/kWh
1999	957 gCO2/kWh	306 gCO2/kWh
2000	955 gCO2/kWh	251 gCO2/kWh
2001	950 gCO2/kWh	251 gCO2/kWh
2002	946 gCO2/kWh	225 gCO2/kWh
2003	950 gCO2/kWh	257 gCO2/kWh
2004	941 gCO2/kWh	253 gCO2/kWh
2005	932 gCO2/kWh	239 gCO2/kWh
2006	932 gCO2/kWh	231 gCO2/kWh
2007	925 gCO2/kWh	235 gCO2/kWh
2008	919 gCO2/kWh	224 gCO2/kWh
2009	905 gCO2/kWh	221 gCO2/kWh
2010	893 gCO2/kWh	205 gCO2/kWh
2011	882 gCO2/kWh	214 gCO2/kWh
2012	861 gCO2/kWh	204 gCO2/kWh
2013	863 gCO2/kWh	181 gCO2/kWh
2014	844 gCO2/kWh	173 gCO2/kWh
2015	826 gCO2/kWh	178 gCO2/kWh
2016	819 gCO2/kWh	177 gCO2/kWh
2017	806 gCO2/kWh	184 gCO2/kWh
2018	809 gCO2/kWh	191 gCO2/kWh
2019	772 gCO2/kWh	171 gCO2/kWh
2020	738 gCO2/kWh	159 gCO2/kWh
2021	756 gCO2/kWh	167 gCO2/kWh
2022	733 gCO2/kWh	142 gCO2/kWh
2023	651 gCO2/kWh	115 gCO2/kWh
2024	608 gCO2/kWh	97 gCO2/kWh
2025	591 gCO2/kWh	95 gCO2/kWh

Demand per Person, 1990 to 2025

Ember annual statistics

Electricity demand per person in Poland and Slovakia each year from 1990 to 2025, in MWh. In 2025 it was 4.55 MWh in Poland and 4.88 MWh in Slovakia.

Annual statistics through 2025, MWh

Electricity demand per person in Poland and Slovakia, 1990 to 2025
Year	Poland	Slovakia
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	3.58 MWh	5.22 MWh
2001	3.58 MWh	5.23 MWh
2002	3.54 MWh	5.21 MWh
2003	3.66 MWh	5.34 MWh
2004	3.75 MWh	5.32 MWh
2005	3.78 MWh	5.22 MWh
2006	3.93 MWh	5.38 MWh
2007	4.03 MWh	5.50 MWh
2008	4.05 MWh	5.43 MWh
2009	3.91 MWh	5.06 MWh
2010	4.08 MWh	5.29 MWh
2011	4.13 MWh	5.37 MWh
2012	4.15 MWh	5.31 MWh
2013	4.16 MWh	5.28 MWh
2014	4.20 MWh	5.21 MWh
2015	4.29 MWh	5.35 MWh
2016	4.39 MWh	5.43 MWh
2017	4.50 MWh	5.60 MWh
2018	4.58 MWh	5.57 MWh
2019	4.55 MWh	5.49 MWh
2020	4.47 MWh	5.29 MWh
2021	4.72 MWh	5.60 MWh
2022	4.61 MWh	5.11 MWh
2023	4.37 MWh	4.73 MWh
2024	4.52 MWh	4.83 MWh
2025	4.55 MWh	4.88 MWh

Poland 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). Poland vs Slovakia: Electricity Compared. https://worldpowermonitor.com/compare/poland-vs-slovakia/

Plain text

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

BibTeX

@misc{wpm_compare_poland_vs_slovakia_2025,
  title = {{Poland vs Slovakia: Electricity Compared}},
  author = {{World Power Monitor}},
  year = {2025},
  note = {Data as of 2025. Data from Ember.},
  url = {https://worldpowermonitor.com/compare/poland-vs-slovakia/}
}

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Poland vs Slovakia: Electricity Compared

Key Facts

Key Figures, 2025

Generation Mix, 2025

Carbon Intensity, 1990 to 2025

Demand per Person, 1990 to 2025

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