Primary energy from nuclear in Canada
Canada: Primary energy from nuclear was 257.05 terawatt-hours in 2025. ◆ Volatile
Primary energy from nuclear in Canada, 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 Canada stood at 257.05 terawatt-hours.
The figure is down 0.2% on the previous year and down 16.1% over ten years.
Over the whole period, primary energy from nuclear in Canada peaked at 324.5 terawatt-hours in 1994 and was at its lowest, 0.3879 terawatt-hours, in 1965.
That places Canada 7th out of 213 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 |
|---|---|---|---|---|
| 1960s | 1.15 terawatt-hours | 0.3879 terawatt-hours | 2.78 terawatt-hours | 5 |
| 1970s | 50.08 terawatt-hours | 3.14 terawatt-hours | 106.88 terawatt-hours | 10 |
| 1980s | 178.33 terawatt-hours | 115.25 terawatt-hours | 251.11 terawatt-hours | 10 |
| 1990s | 258.3 terawatt-hours | 215.13 terawatt-hours | 324.5 terawatt-hours | 10 |
| 2000s | 258.76 terawatt-hours | 219.07 terawatt-hours | 294.8 terawatt-hours | 10 |
| 2010s | 299.81 terawatt-hours | 272.81 terawatt-hours | 322.83 terawatt-hours | 10 |
| 2020s | 269.89 terawatt-hours | 257.05 terawatt-hours | 295.49 terawatt-hours | 6 |
Countries ranked near Canada
More energy & mining data for Canada
- Fuel imports 6.5% (2024)
- Ores and metals imports 3.2% (2024)
- Ores and metals exports 7.2% (2024)
- Gas production 2,062 terawatt-hours (2025)
- Fossil fuel production per person, by fuel 51,394 kilowatt-hours per person (2025)
- Fossil fuel production by fuel 2,062 terawatt-hours (2025)
- Gas production per person 51,394 kilowatt-hours per person (2025)
- Fuel exports 27.7% (2024)
- Electric power transmission and distribution losses 4.2% (2024)
- Share of dietary energy supply from carbohydrates vs. GDP per capita 46.5% (2023)
Frequently asked questions
- What is primary energy from nuclear in Canada?
- Primary energy from nuclear in Canada was 257.05 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 Canada?
- The highest recorded value was 324.5 terawatt-hours in 1994.
- What is the lowest primary energy from nuclear recorded in Canada?
- The lowest recorded value was 0.3879 terawatt-hours in 1965.
- How does Canada rank for primary energy from nuclear?
- Canada ranks 7th out of 213 countries with data for 2025.
- Is primary energy from nuclear rising or falling in Canada?
- Over the last ten years it is down 16.1%. The long-run trend across the full record is volatile.
- Where does this Canada 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.
Download this data
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.