Czechia Electricity Mix
Czechia generated 16.8% of its electricity from renewable sources in 2025, below the world average of 33.8%. Each kilowatt-hour produced emitted about 401 grams of CO₂.
Data year 2025 · Source: Ember and Energy Institute via Our World in Data
How much electricity in Czechia comes from renewables?
Renewable sources produced 16.8% of the electricity generated in Czechia in 2025. The world average was 33.8% in 2025. That is up from 3.1% in 2000. That ranks Czechia 141st of 210 countries and territories by renewable share.
Electricity mix by source
Nuclear is the largest source of electricity in Czechia, at 42.3% of generation, followed by coal at 35.2% and bioenergy at 8.0%. Fossil fuels together supplied 40.8% and nuclear 42.3%.
Carbon intensity of electricity
Generating one kilowatt-hour of electricity in Czechia emitted about 401 grams of CO₂ in 2025, close to the world average of 458 g. At that rate, a business using 10,000 kWh a year would be responsible for roughly 4,015 kg of CO₂ from electricity.
This is an estimate based on the generation mix. For a formal carbon report, use the grid factor published by the national energy or environment agency. Our guide to emission factors explains the difference.
How Czechia compares
Countries closest to Czechia when ranked by renewable share of electricity. See the full ranking, or the CO₂ emissions of Czechia.
| # | Country | Renewables | Low-carbon | g CO₂/kWh |
|---|---|---|---|---|
| 139 | Aruba | 17.0% | 17.0% | 550 |
| 140 | Israel | 16.9% | 16.9% | 493 |
| 141 | Czechia | 16.8% | 59.2% | 401 |
| 142 | Thailand | 16.6% | 16.6% | 546 |
| 143 | Malta | 16.0% | 16.0% | 484 |
Frequently asked questions
What share of electricity in Czechia is renewable?
16.8% in 2025. That is up from 3.1% in 2000. Counting nuclear as well, 59.2% of electricity came from low-carbon sources.
What is the main source of electricity in Czechia?
Nuclear is the largest source of electricity in Czechia, at 42.3% of generation, followed by coal at 35.2% and bioenergy at 8.0%.
How clean is electricity in Czechia?
Generating one kilowatt-hour emitted about 401 grams of CO₂ in 2025, close to the world average of 458 g.
Is renewable electricity growing in Czechia?
The renewable share has risen by 13.7 percentage points, from 3.1% in 2000 to 16.8% in 2025.
About the data. Shares are percentages of the electricity generated inside the country in a year. Renewables are hydro, wind, solar, bioenergy and other renewable sources. Low-carbon adds nuclear. The latest year differs between countries and is shown on each page. Carbon intensity is an estimate of the CO₂ emitted per kilowatt-hour generated, including emissions over the life of each power source.
Source: Ember and the Energy Institute Statistical Review of World Energy, processed by Our World in Data and used under the CC BY 4.0 licence.
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