Czech Republic Electricity Generation & Grid Mix
In 2025, Czech Republic generated 75.50 TWh of electricity (0.24% of global output, ranked #46 worldwide). Its primary generation source was Nuclear at 31.94 TWh (42.3% of the national grid), while low-carbon sources (nuclear + renewables) provided 59.1% of total supply.
Czech Republic Electricity Generation by Source (2025)
2025 Total Output: 75.50 TWh · Carbon Intensity: 402 gCO2/kWh
Czech Republic Electricity Generation & Capacity by Source (2025)
| Generation Source | 2025 Output (TWh) | Grid Share (%) | Installed Capacity (GW) | 5Y Change | Share of World Fuel |
|---|---|---|---|---|---|
| Nuclear | 31.94 TWh | 42.3% | 4.35 GW | +6.3% | 1.1% |
| Coal | 26.60 TWh | 35.2% | 6.86 GW | -14.2% | 0.3% |
| Bioenergy | 6.05 TWh | 8.0% | 0.83 GW | +16.1% | 0.9% |
| Solar | 4.39 TWh | 5.8% | 4.54 GW | +91.7% | 0.2% |
| Natural Gas | 4.08 TWh | 5.4% | 1.82 GW | -40.6% | 0.1% |
| Hydroelectric | 1.71 TWh | 2.3% | 1.12 GW | -20.1% | 0.0% |
| Wind | 0.57 TWh | 0.8% | 0.37 GW | -18.6% | 0.0% |
| Oil & Other Fossil | 0.16 TWh | 0.2% | 0.08 GW | -91.4% | 0.0% |
Czech Republic Historical Generation & Emissions Ledger (2000-2025)
| Year | Total (TWh) | Coal | Gas | Nuclear | Hydro | Wind | Solar | Clean % | gCO2/kWh |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 75.5 | 26.6 | 4.1 | 31.9 | 1.7 | 0.6 | 4.4 | 59.1% | 402 |
| 2024 | 72.8 | 26.5 | 3.8 | 29.7 | 2.7 | 0.7 | 3.6 | 57.7% | 414 |
| 2023 | 75.8 | 29.9 | 3.7 | 30.4 | 2.4 | 0.7 | 2.9 | 54.8% | 443 |
| 2022 | 83.7 | 36.9 | 4.3 | 31.0 | 2.1 | 0.6 | 2.6 | 49.9% | 488 |
| 2021 | 83.7 | 34.2 | 7.3 | 30.7 | 2.4 | 0.6 | 2.3 | 49.5% | 472 |
| 2020 | 80.1 | 31.0 | 6.9 | 30.0 | 2.1 | 0.7 | 2.3 | 50.4% | 460 |
| 2019 | 85.7 | 37.3 | 5.8 | 30.3 | 2.0 | 0.7 | 2.3 | 47.0% | 504 |
| 2018 | 86.8 | 41.2 | 3.8 | 29.9 | 1.6 | 0.6 | 2.4 | 45.3% | 533 |
| 2017 | 85.8 | 41.4 | 3.7 | 28.3 | 1.9 | 0.6 | 2.2 | 44.3% | 542 |
| 2016 | 82.0 | 42.0 | 3.7 | 24.1 | 2.0 | 0.5 | 2.1 | 40.8% | 574 |
| 2015 | 82.5 | 41.1 | 2.3 | 26.8 | 1.8 | 0.6 | 2.3 | 44.0% | 553 |
| 2014 | 85.0 | 40.7 | 1.8 | 30.3 | 1.9 | 0.5 | 2.1 | 46.5% | 531 |
| 2013 | 85.9 | 41.1 | 2.0 | 30.8 | 2.7 | 0.5 | 2.0 | 46.6% | 528 |
| 2012 | 86.6 | 44.0 | 1.5 | 30.3 | 2.1 | 0.4 | 2.2 | 44.3% | 553 |
| 2011 | 86.6 | 46.7 | 1.4 | 28.3 | 2.0 | 0.4 | 2.2 | 41.0% | 584 |
| 2010 | 85.2 | 46.9 | 1.4 | 28.0 | 2.8 | 0.3 | 0.6 | 39.8% | 594 |
| 2009 | 81.6 | 45.9 | 1.0 | 27.2 | 2.4 | 0.3 | 0.1 | 39.0% | 603 |
| 2008 | 83.3 | 48.8 | 1.0 | 26.6 | 2.0 | 0.2 | 0.0 | 36.4% | 628 |
| 2007 | 87.8 | 53.8 | 1.4 | 26.2 | 2.1 | 0.1 | 0.0 | 33.7% | 652 |
| 2006 | 83.7 | 49.7 | 1.6 | 26.1 | 2.6 | 0.1 | 0.0 | 35.4% | 634 |
| 2005 | 81.9 | 49.5 | 1.5 | 24.7 | 2.4 | 0.0 | 0.0 | 34.0% | 647 |
| 2004 | 83.8 | 50.3 | 1.5 | 26.3 | 2.0 | 0.0 | 0.0 | 34.7% | 640 |
| 2003 | 82.8 | 50.8 | 1.6 | 25.9 | 1.4 | 0.0 | 0.0 | 33.5% | 652 |
| 2002 | 76.0 | 49.9 | 1.6 | 18.7 | 2.5 | 0.0 | 0.0 | 28.6% | 699 |
| 2001 | 74.2 | 52.6 | 1.6 | 14.8 | 2.1 | 0.0 | 0.0 | 23.3% | 752 |
| 2000 | 72.9 | 52.8 | 1.7 | 13.6 | 1.8 | 0.0 | 0.0 | 21.8% | 767 |
Frequently Asked Questions - Czech Republic Power Grid
How much electricity does Czech Republic generate and what is its #1 power source?
In 2025, Czech Republic generated 75.50 TWh of electricity (0.24% of global output). Its largest single generation source was Nuclear at 31.94 TWh (42.3% of the national grid mix).
What share of Czech Republic's electricity comes from clean and renewable sources?
Low-carbon sources (nuclear plus renewables) supplied 59.1% of Czech Republic's electricity in 2025, with renewables accounting for 16.8% and wind plus solar contributing 6.6%. Fossil fuels accounted for 40.8% of total generation.
What is the carbon intensity of Czech Republic's electricity grid?
In 2025, Czech Republic's power sector carbon intensity was 401.5 gCO2/kWh, with total power sector emissions of 30.31 million metric tons of CO2.