Spain Electricity Mix
Spain generated 55.9% of its electricity from renewable sources in 2025, above the world average of 33.8%. Each kilowatt-hour produced emitted about 154 grams of CO₂.
Data year 2025 · Source: Ember and Energy Institute via Our World in Data
How much electricity in Spain comes from renewables?
Renewable sources produced 55.9% of the electricity generated in Spain in 2025. The world average was 33.8% in 2025. That is up from 15.6% in 2000. That ranks Spain 63rd of 210 countries and territories by renewable share.
Electricity mix by source
Solar is the largest source of electricity in Spain, at 21.8% of generation, followed by gas at 21.6% and wind at 20.4%. Fossil fuels together supplied 25.4% and nuclear 18.8%.
Carbon intensity of electricity
Generating one kilowatt-hour of electricity in Spain emitted about 154 grams of CO₂ in 2025, 66% below the world average of 458 g. At that rate, a business using 10,000 kWh a year would be responsible for roughly 1,536 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 Spain compares
Countries closest to Spain when ranked by renewable share of electricity. See the full ranking, or the CO₂ emissions of Spain.
| # | Country | Renewables | Low-carbon | g CO₂/kWh |
|---|---|---|---|---|
| 61 | Reunion | 56.7% | 56.7% | 394 |
| 62 | Finland | 56.5% | 96.3% | 57 |
| 63 | Spain | 55.9% | 74.6% | 154 |
| 64 | Honduras | 55.4% | 55.4% | 322 |
| 65 | Liberia | 54.4% | 54.4% | 316 |
Frequently asked questions
What share of electricity in Spain is renewable?
55.9% in 2025. That is up from 15.6% in 2000. Counting nuclear as well, 74.6% of electricity came from low-carbon sources.
What is the main source of electricity in Spain?
Solar is the largest source of electricity in Spain, at 21.8% of generation, followed by gas at 21.6% and wind at 20.4%.
How clean is electricity in Spain?
Generating one kilowatt-hour emitted about 154 grams of CO₂ in 2025, 66% below the world average of 458 g.
Is renewable electricity growing in Spain?
The renewable share has risen by 40.2 percentage points, from 15.6% in 2000 to 55.9% 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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