Primary energy from nuclear in OECD (EI)
OECD (EI): Primary energy from nuclear was 5,693 terawatt-hours in 2025. ◆ Volatile
Primary energy from nuclear in OECD (EI), 1965–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
In 2025, primary energy from nuclear in OECD (EI) stood at 5,693 terawatt-hours.
That represents a change of down 0.1% on the previous year and down 4.9% over ten years.
Over the whole period, primary energy from nuclear in OECD (EI) peaked at 7,219 terawatt-hours in 2006 and was at its lowest, 71.75 terawatt-hours, in 1965.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 121.87 terawatt-hours | 71.75 terawatt-hours | 173.86 terawatt-hours | 5 |
| 1970s | 931.36 terawatt-hours | 221.62 terawatt-hours | 1,738 terawatt-hours | 10 |
| 1980s | 3,477 terawatt-hours | 1,875 terawatt-hours | 5,064 terawatt-hours | 10 |
| 1990s | 6,036 terawatt-hours | 5,254 terawatt-hours | 6,718 terawatt-hours | 10 |
| 2000s | 7,002 terawatt-hours | 6,817 terawatt-hours | 7,219 terawatt-hours | 10 |
| 2010s | 6,139 terawatt-hours | 5,938 terawatt-hours | 6,977 terawatt-hours | 10 |
| 2020s | 5,638 terawatt-hours | 5,423 terawatt-hours | 5,795 terawatt-hours | 6 |
Countries ranked near OECD (EI)
More energy & mining data for OECD (EI)
- Fossil fuel production by fuel 16,830 terawatt-hours (2025)
- Gas production 16,830 terawatt-hours (2025)
- Share of electricity generation from fossil fuels 47.5% (2025)
- Primary energy from fossil fuels, nuclear, and renewables 9.3% (2025)
- Coal production 7,718 terawatt-hours (2025)
- Oil consumption 24,349 terawatt-hours (2025)
- Fossil fuel consumption by fuel 18,113 terawatt-hours (2025)
- Electricity generation from nuclear 1,879 terawatt-hours (2025)
- Annual percentage change in primary energy use 0.8% (2025)
- Primary energy use 61,079 terawatt-hours (2025)
Frequently asked questions
- What is primary energy from nuclear in OECD (EI)?
- Primary energy from nuclear in OECD (EI) was 5,693 terawatt-hours in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data.
- What is the highest primary energy from nuclear recorded in OECD (EI)?
- The highest recorded value was 7,219 terawatt-hours in 2006.
- What is the lowest primary energy from nuclear recorded in OECD (EI)?
- The lowest recorded value was 71.75 terawatt-hours in 1965.
- How does OECD (EI) rank for primary energy from nuclear?
- OECD (EI) ranks 1st out of 3 groups with data for 2025.
- Is primary energy from nuclear rising or falling in OECD (EI)?
- Over the last ten years it is down 4.9%. The long-run trend across the full record is volatile.
- Where does this OECD (EI) data come from?
- The figures come from Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as part of Primary energy from nuclear. Statizoid updates them automatically from the source API.
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CSV · JSON — 61 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured in terawatt-hours of total energy supply.