Electricity generation from nuclear in Belgium

Belgium: Electricity generation from nuclear was 24.11 terawatt-hours in 2025. ◆ Volatile

Latest (2025)
24.11 terawatt-hours
Change on year
down 22.8%
World rank
16th
of 208 countries
All-time high
50.33 terawatt-hours
in 2021
All-time low
0 terawatt-hours
in 1965
Years of data
61
1965–2025

Electricity generation from nuclear in Belgium, 1965–2025

0204060196519952025

Source: Ember (2026) and other sources – with major processing by Our World in Data. Measured in terawatt-hours.

Analysis

In 2025, electricity generation from nuclear in Belgium stood at 24.11 terawatt-hours.

That represents a change of down 22.8% on the previous year and down 7.6% over ten years.

Over the whole period, electricity generation from nuclear in Belgium peaked at 50.33 terawatt-hours in 2021 and was at its lowest, 0 terawatt-hours, in 1965.

Belgium ranks 16th of 208 countries on this measure, in the top 10%.

The series is highly variable year to year, so single readings are best treated with caution.

Averages by decade

DecadeAverage LowestHighest Years
1960s 0.0366 terawatt-hours 0 terawatt-hours 0.094 terawatt-hours 5
1970s 5.3 terawatt-hours 0 terawatt-hours 12.51 terawatt-hours 10
1980s 29.32 terawatt-hours 12.55 terawatt-hours 43.1 terawatt-hours 10
1990s 43.89 terawatt-hours 40.62 terawatt-hours 49.02 terawatt-hours 10
2000s 47.18 terawatt-hours 45.57 terawatt-hours 48.23 terawatt-hours 10
2010s 39.68 terawatt-hours 26.1 terawatt-hours 48.23 terawatt-hours 10
2020s 36.16 terawatt-hours 24.11 terawatt-hours 50.33 terawatt-hours 6

Countries ranked near Belgium

  1. 13 United Kingdom 36.38 terawatt-hours compare
  2. 14 Finland 32.82 terawatt-hours compare
  3. 15 Czechia 31.94 terawatt-hours compare
  4. 17 Pakistan 23.71 terawatt-hours compare
  5. 18 Switzerland 19.42 terawatt-hours compare
  6. 19 Slovakia 19.33 terawatt-hours compare

See the full ranking of 211 places →

More energy & mining data for Belgium

All data for Belgium →

Frequently asked questions

What is electricity generation from nuclear in Belgium?
Electricity generation from nuclear in Belgium was 24.11 terawatt-hours in 2025, according to Ember (2026) and other sources – with major processing by Our World in Data.
What is the highest electricity generation from nuclear recorded in Belgium?
The highest recorded value was 50.33 terawatt-hours in 2021.
What is the lowest electricity generation from nuclear recorded in Belgium?
The lowest recorded value was 0 terawatt-hours in 1965.
How does Belgium rank for electricity generation from nuclear?
Belgium ranks 16th out of 208 countries with data for 2025.
Is electricity generation from nuclear rising or falling in Belgium?
Over the last ten years it is down 7.6%. The long-run trend across the full record is volatile.
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 Electricity generation from nuclear. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 61 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Electricity generation from nuclear
Unit
terawatt-hours
Source
Ember (2026) and other sources – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
211 places, 8,460 data points, 1920–2025
Last refreshed

Measured in terawatt-hours.