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.
Share of electricity generation from nuclear in Belgium, year by year
| Year | % | Change |
|---|---|---|
| 1985 | 60.4% | — |
| 1986 | 67.1% | +11.2% |
| 1987 | 66.2% | -1.4% |
| 1988 | 66.0% | -0.4% |
| 1989 | 61.0% | -7.5% |
| 1990 | 60.8% | -0.4% |
| 1991 | 60.2% | -0.9% |
| 1992 | 60.9% | +1.1% |
| 1993 | 59.8% | -1.7% |
| 1994 | 56.9% | -4.8% |
| 1995 | 56.3% | -1.2% |
| 1996 | 57.7% | +2.5% |
| 1997 | 60.9% | +5.5% |
| 1998 | 56.2% | -7.6% |
| 1999 | 58.8% | +4.5% |
| 2000 | 58.2% | -1.1% |
| 2001 | 58.9% | +1.3% |
| 2002 | 58.5% | -0.7% |
| 2003 | 56.7% | -3.1% |
| 2004 | 57.1% | +0.6% |
| 2005 | 56.4% | -1.1% |
| 2006 | 56.0% | -0.8% |
| 2007 | 55.6% | -0.7% |
| 2008 | 54.9% | -1.2% |
| 2009 | 52.6% | -4.1% |
| 2010 | 51.5% | -2.1% |
| 2011 | 54.0% | +4.8% |
| 2012 | 49.4% | -8.5% |
| 2013 | 52.0% | +5.3% |
| 2014 | 47.3% | -9.0% |
| 2015 | 38.1% | -19.4% |
| 2016 | 51.6% | +35.3% |
| 2017 | 49.5% | -4.1% |
| 2018 | 38.7% | -21.8% |
| 2019 | 47.0% | +21.3% |
| 2020 | 39.0% | -16.9% |
| 2021 | 50.6% | +29.8% |
| 2022 | 46.5% | -8.1% |
| 2023 | 40.1% | -13.8% |
| 2024 | 41.1% | +2.5% |
| 2025 | 33.1% | -19.5% |
Biggest year-on-year movements
Years where Share of electricity generation from nuclear in Belgium changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2016 | +35.3% | 38.1% | 51.6% |
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
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, annual growth rate -2.47 % change on previous year (2025)
- Coal consumption, per capita 0 terawatt-hours per person (2025)
- Coal consumption, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per capita 0.0001 terawatt-hours per person (2025)
- Coal production, per capita 0 terawatt-hours per person (2024)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Fossil fuel consumption by fuel, per capita 0 terawatt-hours per person (2025)
- Fuel imports 16.0% (2024)
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.
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About this data
Measured as a percentage of total electricity produced in the country or region.