Czechia Electricity: Generation Mix, Demand and Emissions
Czechia generated 75.4 TWh of electricity in 2025, according to Ember. Nuclear was the largest source at 42.4%, followed by coal (35.2%) and bioenergy (8.0%). Demand was 68.0 TWh and each kWh generated emitted 401 gCO2/kWh. These are annual statistics for 2025, with monthly figures through August 2026; they are compiled from national sources and are not real time.
Key Facts
- Czechia generated 75.4 TWh of electricity in 2025.
- Nuclear supplied 42.4% of Czechia's electricity in 2025.
- Coal supplied 35.2% of Czechia's electricity in 2025.
- Bioenergy supplied 8.0% of Czechia's electricity in 2025.
- Low carbon sources (nuclear and renewables) supplied 59.3% of Czechia's generation in 2025.
- The carbon intensity of Czechia's electricity was 401 gCO2/kWh in 2025.
- Czechia's carbon intensity in 2025 was 48% lower than in 1990, when it was 778 gCO2/kWh.
- Czechia had the 41st highest electricity demand among the 93 countries with Ember data for 2025.
Key Figures, 2025
| Measure | Value | As of / source |
|---|---|---|
| Total generation | 75.4 TWh | 2025 · Ember |
| Electricity demand | 68.0 TWh | 2025 · Ember |
| Demand per person | 6.42 MWh | 2025 · Ember |
| Net imports | -7.43 TWh | 2025 · Ember |
| Carbon intensity | 401 gCO2/kWh | 2025 · Ember |
| Power sector emissions | 30.3 MtCO2 | 2025 · Ember |
| Demand rank (countries with 2025 data) | 41 of 93 | 2025 · Ember |
Generation Mix, 2025
Year by Year
Ember annual statistics, 1990 to 2025| Year | Nuclear | Coal | Bioenergy | Solar | Gas |
|---|---|---|---|---|---|
| 1990 | 12.6 TWh | 47.0 TWh | 0 TWh | 0 TWh | 380 GWh |
| 1991 | 12.1 TWh | 45.6 TWh | 0 TWh | 0 TWh | 380 GWh |
| 1992 | 12.3 TWh | 43.9 TWh | 0 TWh | 0 TWh | 380 GWh |
| 1993 | 12.6 TWh | 43.3 TWh | 160 GWh | 0 TWh | 400 GWh |
| 1994 | 13.0 TWh | 42.2 TWh | 320 GWh | 0 TWh | 390 GWh |
| 1995 | 12.2 TWh | 44.3 TWh | 410 GWh | 0 TWh | 480 GWh |
| 1996 | 12.9 TWh | 45.4 TWh | 290 GWh | 0 TWh | 1.04 TWh |
| 1997 | 12.5 TWh | 45.7 TWh | 490 GWh | 0 TWh | 1.15 TWh |
| 1998 | 13.2 TWh | 45.3 TWh | 590 GWh | 0 TWh | 1.29 TWh |
| 1999 | 13.4 TWh | 44.2 TWh | 680 GWh | 0 TWh | 1.73 TWh |
| 2000 | 13.6 TWh | 52.8 TWh | 520 GWh | 0 TWh | 1.69 TWh |
| 2001 | 14.8 TWh | 52.6 TWh | 520 GWh | 0 TWh | 1.58 TWh |
| 2002 | 18.7 TWh | 49.9 TWh | 500 GWh | 0 TWh | 1.61 TWh |
| 2003 | 25.9 TWh | 50.8 TWh | 490 GWh | 0 TWh | 1.58 TWh |
| 2004 | 26.3 TWh | 50.3 TWh | 710 GWh | 0 TWh | 1.54 TWh |
| 2005 | 24.7 TWh | 49.5 TWh | 730 GWh | 0 TWh | 1.47 TWh |
| 2006 | 26.1 TWh | 49.7 TWh | 920 GWh | 0 TWh | 1.57 TWh |
| 2007 | 26.2 TWh | 53.8 TWh | 1.20 TWh | 0 TWh | 1.37 TWh |
| 2008 | 26.6 TWh | 48.8 TWh | 1.45 TWh | 10.0 GWh | 1.02 TWh |
| 2009 | 27.2 TWh | 45.9 TWh | 1.85 TWh | 90.0 GWh | 980 GWh |
| 2010 | 28.0 TWh | 46.9 TWh | 2.16 TWh | 620 GWh | 1.38 TWh |
| 2011 | 28.3 TWh | 46.7 TWh | 2.70 TWh | 2.18 TWh | 1.41 TWh |
| 2012 | 30.3 TWh | 44.0 TWh | 3.37 TWh | 2.15 TWh | 1.49 TWh |
| 2013 | 30.8 TWh | 41.1 TWh | 4.06 TWh | 2.03 TWh | 2.04 TWh |
| 2014 | 30.3 TWh | 40.7 TWh | 4.66 TWh | 2.12 TWh | 1.82 TWh |
| 2015 | 26.8 TWh | 41.1 TWh | 4.79 TWh | 2.26 TWh | 2.28 TWh |
| 2016 | 24.1 TWh | 42.0 TWh | 4.76 TWh | 2.13 TWh | 3.73 TWh |
| 2017 | 28.3 TWh | 41.4 TWh | 4.97 TWh | 2.20 TWh | 3.70 TWh |
| 2018 | 29.9 TWh | 41.2 TWh | 4.83 TWh | 2.36 TWh | 3.77 TWh |
| 2019 | 30.3 TWh | 37.3 TWh | 5.03 TWh | 2.32 TWh | 5.81 TWh |
| 2020 | 30.0 TWh | 31.0 TWh | 5.21 TWh | 2.29 TWh | 6.87 TWh |
| 2021 | 30.7 TWh | 34.2 TWh | 5.38 TWh | 2.25 TWh | 7.31 TWh |
| 2022 | 31.0 TWh | 36.9 TWh | 5.41 TWh | 2.63 TWh | 4.33 TWh |
| 2023 | 30.4 TWh | 29.9 TWh | 5.19 TWh | 2.89 TWh | 3.68 TWh |
| 2024 | 29.7 TWh | 26.5 TWh | 5.38 TWh | 3.59 TWh | 3.79 TWh |
| 2025 | 32.0 TWh | 26.6 TWh | 6.06 TWh | 4.39 TWh | 4.08 TWh |
| Year | Generation | Demand | Carbon intensity |
|---|---|---|---|
| 2025 | 75.4 TWh | 68.0 TWh | 401 gCO2/kWh |
| 2024 | 72.8 TWh | 66.2 TWh | 414 gCO2/kWh |
| 2023 | 75.8 TWh | 66.6 TWh | 443 gCO2/kWh |
| 2022 | 83.7 TWh | 70.2 TWh | 488 gCO2/kWh |
| 2021 | 83.7 TWh | 72.6 TWh | 472 gCO2/kWh |
| 2020 | 80.1 TWh | 70.0 TWh | 460 gCO2/kWh |
| 2019 | 85.7 TWh | 72.6 TWh | 503 gCO2/kWh |
| 2018 | 86.8 TWh | 72.9 TWh | 533 gCO2/kWh |
| 2017 | 85.8 TWh | 72.7 TWh | 543 gCO2/kWh |
| 2016 | 82.0 TWh | 71.0 TWh | 574 gCO2/kWh |
Full year by year history for Czechia, 1990 to 2025
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of 2025.
Month by Month
Ember monthly statistics through August 2026| Month | Demand | Generation |
|---|---|---|
| 2024-09 | 4.69 TWh | 5.59 TWh |
| 2024-10 | 5.20 TWh | 5.76 TWh |
| 2024-11 | 5.60 TWh | 6.28 TWh |
| 2024-12 | 5.59 TWh | 6.55 TWh |
| 2025-01 | 6.06 TWh | 6.98 TWh |
| 2025-02 | 5.63 TWh | 6.63 TWh |
| 2025-03 | 5.63 TWh | 6.76 TWh |
| 2025-04 | 4.97 TWh | 5.77 TWh |
| 2025-05 | 4.91 TWh | 5.35 TWh |
| 2025-06 | 4.77 TWh | 4.44 TWh |
| 2025-07 | 4.72 TWh | 5.19 TWh |
| 2025-08 | 4.70 TWh | 5.58 TWh |
| 2025-09 | 4.75 TWh | 5.06 TWh |
| 2025-10 | 5.36 TWh | 5.84 TWh |
| 2025-11 | 5.67 TWh | 6.46 TWh |
| 2025-12 | 5.73 TWh | 6.32 TWh |
| 2026-01 | 6.57 TWh | 7.36 TWh |
| 2026-02 | 5.66 TWh | 6.15 TWh |
| 2026-03 | 5.67 TWh | 6.39 TWh |
| 2026-04 | 5.20 TWh | 5.74 TWh |
| 2026-05 | 4.93 TWh | 5.51 TWh |
| 2026-06 | 4.90 TWh | 5.59 TWh |
| 2026-07 | 4.76 TWh | 5.78 TWh |
| 2026-08 | 4.81 TWh | 5.64 TWh |
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of August 2026.
Czechia Electricity FAQ
What is the main source of electricity in Czechia?
Nuclear was the largest source of electricity in Czechia in 2025, supplying 42.4% of generation, followed by coal (35.2%) and bioenergy (8.0%). Figures are Ember annual statistics.
How much electricity does Czechia use?
Czechia used 68.0 TWh of electricity in 2025, about 6.42 MWh per person.
How clean is Czechia's electricity?
Generating a kilowatt hour of electricity in Czechia emitted 401 gCO2/kWh in 2025, and low carbon sources supplied 59.3% of generation. That is 13% below the world average of 459 gCO2/kWh.
Does Czechia import electricity?
No. Czechia was a net exporter in 2025, exporting 7.43 TWh more than it imported.