Annual change in primary energy from nuclear in OECD (EI)
OECD (EI): Annual change in primary energy from nuclear was -4.94 terawatt-hours in 2025. ◆ Volatile
Annual change in primary energy from nuclear in OECD (EI), 1966–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
OECD (EI) recorded -4.94 terawatt-hours for annual change in primary energy from nuclear in 2025.
The figure is down 103.3% on the previous year and up 88.1% over ten years.
Over the whole period, annual change in primary energy from nuclear in OECD (EI) peaked at 640.35 terawatt-hours in 1985 and was at its lowest, -595.08 terawatt-hours, in 2012.
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 | 25.53 terawatt-hours | 19.26 terawatt-hours | 31.05 terawatt-hours | 4 |
| 1970s | 156.44 terawatt-hours | 43.08 terawatt-hours | 284.7 terawatt-hours | 10 |
| 1980s | 332.57 terawatt-hours | 136.75 terawatt-hours | 640.35 terawatt-hours | 10 |
| 1990s | 165.41 terawatt-hours | -65.24 terawatt-hours | 285.54 terawatt-hours | 10 |
| 2000s | 12.36 terawatt-hours | -246.09 terawatt-hours | 330.51 terawatt-hours | 10 |
| 2010s | -79.89 terawatt-hours | -595.08 terawatt-hours | 135.16 terawatt-hours | 10 |
| 2020s | -58.27 terawatt-hours | -371.86 terawatt-hours | 150.86 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 annual change in primary energy from nuclear in OECD (EI)?
- Annual change in primary energy from nuclear in OECD (EI) was -4.94 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 annual change in primary energy from nuclear recorded in OECD (EI)?
- The highest recorded value was 640.35 terawatt-hours in 1985.
- What is the lowest annual change in primary energy from nuclear recorded in OECD (EI)?
- The lowest recorded value was -595.08 terawatt-hours in 2012.
- How does OECD (EI) rank for annual change in primary energy from nuclear?
- OECD (EI) ranks 3rd out of 3 groups with data for 2025.
- Is annual change in primary energy from nuclear rising or falling in OECD (EI)?
- Over the last ten years it is up 88.1%. 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 Annual change in primary energy from nuclear. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 60 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.