Electricity generation from nuclear in United Kingdom
United Kingdom: Electricity generation from nuclear was 36.38 terawatt-hours in 2025. ◆ Volatile
Electricity generation from nuclear in United Kingdom, 1920–2025
Source: Ember (2026) and other sources – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
The most recent figure for electricity generation from nuclear in United Kingdom is 36.38 terawatt-hours, measured in 2025.
The figure is down 10.4% on the previous year and down 48.3% over ten years.
Over the whole period, electricity generation from nuclear in United Kingdom peaked at 99.49 terawatt-hours in 1998 and was at its lowest, 0 terawatt-hours, in 1920.
That places United Kingdom 13th out of 208 countries with data for 2025, putting it in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1920s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 1930s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 1940s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 1950s | 0.7175 terawatt-hours | 0 terawatt-hours | 4.37 terawatt-hours | 10 |
| 1960s | 19.22 terawatt-hours | 7.56 terawatt-hours | 29.12 terawatt-hours | 10 |
| 1970s | 32.66 terawatt-hours | 26.01 terawatt-hours | 40.02 terawatt-hours | 10 |
| 1980s | 53.35 terawatt-hours | 37.02 terawatt-hours | 71.73 terawatt-hours | 10 |
| 1990s | 86.71 terawatt-hours | 65.75 terawatt-hours | 99.49 terawatt-hours | 10 |
| 2000s | 77.34 terawatt-hours | 52.49 terawatt-hours | 90.09 terawatt-hours | 10 |
| 2010s | 66.95 terawatt-hours | 56.18 terawatt-hours | 71.73 terawatt-hours | 10 |
| 2020s | 43.55 terawatt-hours | 36.38 terawatt-hours | 50.24 terawatt-hours | 6 |
Countries ranked near United Kingdom
More energy & mining data for United Kingdom
- Fuel imports 8.2% (2025)
- Ores and metals imports 3.3% (2025)
- Ores and metals exports 5.7% (2025)
- Gas production 299.32 terawatt-hours (2025)
- Fossil fuel production per person, by fuel 4,304 kilowatt-hours per person (2025)
- Fossil fuel production by fuel 299.32 terawatt-hours (2025)
- Gas production per person 4,304 kilowatt-hours per person (2025)
- Fuel exports 7.1% (2025)
- Electric power transmission and distribution losses 9.9% (2024)
- Share of dietary energy supply from carbohydrates vs. GDP per capita 49.5% (2023)
Frequently asked questions
- What is electricity generation from nuclear in United Kingdom?
- Electricity generation from nuclear in United Kingdom was 36.38 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 United Kingdom?
- The highest recorded value was 99.49 terawatt-hours in 1998.
- What is the lowest electricity generation from nuclear recorded in United Kingdom?
- The lowest recorded value was 0 terawatt-hours in 1920.
- How does United Kingdom rank for electricity generation from nuclear?
- United Kingdom ranks 13th out of 208 countries with data for 2025.
- Is electricity generation from nuclear rising or falling in United Kingdom?
- Over the last ten years it is down 48.3%. The long-run trend across the full record is volatile.
- Where does this United Kingdom 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 — 106 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured in terawatt-hours.