Share of electricity generation from nuclear in Belgium
Belgium: Share of electricity generation from nuclear was 33.1% in 2025. ▼ Falling
Share of electricity generation from nuclear in Belgium, 1985–2025
Source: Ember (2026) and other sources – with major processing by Our World in Data. Measured in %.
Analysis
The most recent figure for share of electricity generation from nuclear in Belgium is 33.1%, measured in 2025. That is the lowest value across all 41 years on record.
The figure is down 19.5% on the previous year and down 13.3% over ten years.
Over the whole period, share of electricity generation from nuclear in Belgium peaked at 67.1% in 1986 and was at its lowest, 33.1%, in 2025.
That places Belgium 10th out of 207 countries with data for 2025, putting it in the top 10%.
The long-run direction has been consistently falling across the 41 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 64.1% | 60.4% | 67.1% | 5 |
| 1990s | 58.8% | 56.2% | 60.9% | 10 |
| 2000s | 56.5% | 52.6% | 58.9% | 10 |
| 2010s | 47.9% | 38.1% | 54.0% | 10 |
| 2020s | 41.7% | 33.1% | 50.6% | 6 |
Countries ranked near Belgium
More energy & mining data for Belgium
- Fuel imports 16.0% (2024)
- Ores and metals imports 4.6% (2024)
- Ores and metals exports 3.5% (2024)
- Gas production 0.1615 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 13.75 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 0.1615 terawatt-hours (2024)
- Gas production per person 13.75 kilowatt-hours per person (2024)
- Fuel exports 11.6% (2024)
- Electric power transmission and distribution losses 4.3% (2024)
- Share of dietary energy supply from carbohydrates vs. GDP per capita 48.7% (2023)
Frequently asked questions
- What is share of electricity generation from nuclear in Belgium?
- Share of electricity generation from nuclear in Belgium was 33.1% in 2025, according to Ember (2026) and other sources – with major processing by Our World in Data.
- What is the highest share of electricity generation from nuclear recorded in Belgium?
- The highest recorded value was 67.1% in 1986.
- What is the lowest share of electricity generation from nuclear recorded in Belgium?
- The lowest recorded value was 33.1% in 2025.
- How does Belgium rank for share of electricity generation from nuclear?
- Belgium ranks 10th out of 207 countries with data for 2025.
- Is share of electricity generation from nuclear rising or falling in Belgium?
- Over the last ten years it is down 13.3%. The long-run trend across the full record is falling.
- Where does this Belgium data come from?
- The figures come from Ember (2026) and other sources – with major processing by Our World in Data, published as part of Share of electricity generation from nuclear. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 41 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured as a percentage of total electricity produced in the country or region.