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Built 2026-11-05 (5 November 2026)

Czechia vs Switzerland: Electricity Compared

Czechia generated 75.5 TWh of electricity in 2025 and Switzerland 65.0 TWh, according to Ember. Czechia's largest source was nuclear (42.3%); Switzerland's was hydro (52.3%). Each kWh generated emitted 401 gCO2/kWh in Czechia and 39 gCO2/kWh in Switzerland. These are Ember annual statistics for 2025, compiled from national sources; they are not real time.

Who is bigger and who is cleaner? Czechia is the bigger electricity producer, generating 1.2 times as much as Switzerland in 2025 (75.5 TWh against 65.0 TWh). Switzerland has the cleaner electricity by carbon intensity, at 39 gCO2/kWh against 401 gCO2/kWh in Czechia in 2025.

Why this comparison: similar electricity demand on the same continent.

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

Key Facts

  • Hydro supplied 52.3% of Switzerland's electricity in 2025, against 2.3% in Czechia.
  • Czechia's electricity was 10.2 times as carbon intensive as Switzerland's in 2025, at 401 gCO2/kWh against 39 gCO2/kWh.
  • Carbon intensity rose 7% in Switzerland between 2020 and 2025, while it fell 13% in Czechia.
  • Low carbon sources supplied 59.2% of Czechia's electricity in 2025 and 97.7% of Switzerland's.
  • Electricity demand in 2025 was 68.1 TWh in Czechia and 65.2 TWh in Switzerland.

Key Figures, 2025

Ember annual statistics
Measure Czechia Switzerland
Total generation75.5 TWh65.0 TWh
Electricity demand68.1 TWh65.2 TWh
Demand per person6.42 MWh7.26 MWh
Carbon intensity401 gCO2/kWh39 gCO2/kWh
Power sector emissions30.3 MtCO22.55 MtCO2
Low carbon share59.2%97.7%
Largest sourceNuclear 42.3%Hydro 52.3%

Generation Mix, 2025

Share of generation
Source Czechia Switzerland
Hydro 2.3% 52.3%
Nuclear 42.3% 29.9%
Coal 35.2% 0.0%
Solar 5.8% 12.1%
Bioenergy 8.0% 1.7%
Gas 5.4% 0.4%
Other fossil 0.2% 1.9%
Other renewables 0.0% 1.5%
Wind 0.8% 0.2%

Carbon Intensity, 1990 to 2025

Ember annual statistics
Carbon intensity of electricity in Czechia and Switzerland, 1990 to 2025 Carbon intensity of electricity generated in Czechia and Switzerland each year from 1990 to 2025, in gCO2/kWh. In 2025 it was 401 gCO2/kWh in Czechia and 39 gCO2/kWh in Switzerland. 0 200 400 600 800 19901995200020052010201520202025
Carbon intensity of electricity generated in Czechia and Switzerland each year from 1990 to 2025, in gCO2/kWh. In 2025 it was 401 gCO2/kWh in Czechia and 39 gCO2/kWh in Switzerland.
Annual statistics through 2025, gCO2/kWh
Carbon intensity of electricity in Czechia and Switzerland, 1990 to 2025
YearCzechiaSwitzerland
1990778 gCO2/kWhn/a
1991779 gCO2/kWhn/a
1992767 gCO2/kWhn/a
1993759 gCO2/kWhn/a
1994747 gCO2/kWhn/a
1995756 gCO2/kWhn/a
1996749 gCO2/kWhn/a
1997758 gCO2/kWhn/a
1998749 gCO2/kWhn/a
1999737 gCO2/kWhn/a
2000767 gCO2/kWh34 gCO2/kWh
2001752 gCO2/kWh33 gCO2/kWh
2002699 gCO2/kWh34 gCO2/kWh
2003652 gCO2/kWh35 gCO2/kWh
2004640 gCO2/kWh35 gCO2/kWh
2005647 gCO2/kWh38 gCO2/kWh
2006634 gCO2/kWh36 gCO2/kWh
2007652 gCO2/kWh34 gCO2/kWh
2008628 gCO2/kWh34 gCO2/kWh
2009603 gCO2/kWh34 gCO2/kWh
2010594 gCO2/kWh36 gCO2/kWh
2011584 gCO2/kWh36 gCO2/kWh
2012553 gCO2/kWh36 gCO2/kWh
2013527 gCO2/kWh36 gCO2/kWh
2014531 gCO2/kWh34 gCO2/kWh
2015553 gCO2/kWh36 gCO2/kWh
2016574 gCO2/kWh40 gCO2/kWh
2017543 gCO2/kWh40 gCO2/kWh
2018533 gCO2/kWh36 gCO2/kWh
2019503 gCO2/kWh35 gCO2/kWh
2020460 gCO2/kWh37 gCO2/kWh
2021472 gCO2/kWh39 gCO2/kWh
2022488 gCO2/kWh37 gCO2/kWh
2023443 gCO2/kWh35 gCO2/kWh
2024414 gCO2/kWh35 gCO2/kWh
2025401 gCO2/kWh39 gCO2/kWh

Demand per Person, 1990 to 2025

Ember annual statistics
Electricity demand per person in Czechia and Switzerland, 1990 to 2025 Electricity demand per person in Czechia and Switzerland each year from 1990 to 2025, in MWh. In 2025 it was 6.42 MWh in Czechia and 7.26 MWh in Switzerland. 0.0 2.5 5.0 7.5 10.0 19901995200020052010201520202025
Electricity demand per person in Czechia and Switzerland each year from 1990 to 2025, in MWh. In 2025 it was 6.42 MWh in Czechia and 7.26 MWh in Switzerland.
Annual statistics through 2025, MWh
Electricity demand per person in Czechia and Switzerland, 1990 to 2025
YearCzechiaSwitzerland
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
20006.14 MWh8.22 MWh
20016.32 MWh8.39 MWh
20026.31 MWh8.37 MWh
20036.50 MWh8.49 MWh
20046.63 MWh8.56 MWh
20056.74 MWh8.63 MWh
20066.89 MWh8.67 MWh
20076.93 MWh8.53 MWh
20086.92 MWh8.63 MWh
20096.53 MWh8.34 MWh
20106.72 MWh8.51 MWh
20116.63 MWh8.27 MWh
20126.61 MWh8.24 MWh
20136.57 MWh8.19 MWh
20146.53 MWh7.89 MWh
20156.65 MWh7.85 MWh
20166.74 MWh7.76 MWh
20176.90 MWh7.77 MWh
20186.91 MWh7.60 MWh
20196.88 MWh7.50 MWh
20206.63 MWh7.28 MWh
20216.89 MWh7.52 MWh
20226.58 MWh7.38 MWh
20236.16 MWh7.18 MWh
20246.16 MWh7.17 MWh
20256.42 MWh7.26 MWh

Czechia history · Switzerland 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). Czechia vs Switzerland: Electricity Compared. https://worldpowermonitor.com/compare/czechia-vs-switzerland/

Plain text

World Power Monitor. Czechia vs Switzerland: Electricity Compared. Data as of 2025. Data from Ember. https://worldpowermonitor.com/compare/czechia-vs-switzerland/

BibTeX 
@misc{wpm_compare_czechia_vs_switzerland_2025,
  title = {{Czechia vs Switzerland: Electricity Compared}},
  author = {{World Power Monitor}},
  year = {2025},
  note = {Data as of 2025. Data from Ember.},
  url = {https://worldpowermonitor.com/compare/czechia-vs-switzerland/}
}

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