Annual change in primary energy from nuclear in Canada
Canada: Annual change in primary energy from nuclear was -0.5136 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
-0.5136 terawatt-hours
Change on year
up 95.1%
World rank
208th
of 219 countries
All-time high
46.63 terawatt-hours
in 2004
All-time low
-33.22 terawatt-hours
in 1998
Years of data
60
1966–2025
Annual change in primary energy from nuclear in Canada, 1966–2025
Source: Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
In 2025, annual change in primary energy from nuclear in Canada stood at -0.5136 terawatt-hours.
That represents a change of up 95.1% on the previous year and up 96.9% over ten years.
Over the whole period, annual change in primary energy from nuclear in Canada peaked at 46.63 terawatt-hours in 2004 and was at its lowest, -33.22 terawatt-hours, in 1998.
That places Canada 208th out of 219 countries with data for 2025, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Annual change in primary energy from nuclear in Canada, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | 0.1333 terawatt-hours | — |
| 1967 | -0.0576 terawatt-hours | -143.2% |
| 1968 | 2.32 terawatt-hours | -4126.3% |
| 1969 | -1.18 terawatt-hours | -150.8% |
| 1970 | 1.54 terawatt-hours | -230.6% |
| 1971 | 9.79 terawatt-hours | +535.8% |
| 1972 | 8.92 terawatt-hours | -8.9% |
| 1973 | 24.37 terawatt-hours | +173.2% |
| 1974 | -1.69 terawatt-hours | -106.9% |
| 1975 | -6.44 terawatt-hours | +281.0% |
| 1976 | 14.68 terawatt-hours | -327.9% |
| 1977 | 27.05 terawatt-hours | +84.2% |
| 1978 | 14.73 terawatt-hours | -45.6% |
| 1979 | 12.33 terawatt-hours | -16.3% |
| 1980 | 8.37 terawatt-hours | -32.1% |
| 1981 | 6.17 terawatt-hours | -26.3% |
| 1982 | -5.24 terawatt-hours | -185.0% |
| 1983 | 31.13 terawatt-hours | -693.8% |
| 1984 | 10.91 terawatt-hours | -65.0% |
| 1985 | 25.18 terawatt-hours | +130.9% |
| 1986 | 32.56 terawatt-hours | +29.3% |
| 1987 | 18.16 terawatt-hours | -44.2% |
| 1988 | 16.99 terawatt-hours | -6.5% |
| 1989 | -10.76 terawatt-hours | -163.3% |
| 1990 | -20.78 terawatt-hours | +93.1% |
| 1991 | 36 terawatt-hours | -273.2% |
| 1992 | -13.08 terawatt-hours | -136.3% |
| 1993 | 40.19 terawatt-hours | -407.2% |
| 1994 | 41.82 terawatt-hours | +4.1% |
| 1995 | -30.06 terawatt-hours | -171.9% |
| 1996 | -15.28 terawatt-hours | -49.2% |
| 1997 | -30.81 terawatt-hours | +101.6% |
| 1998 | -33.22 terawatt-hours | +7.8% |
| 1999 | 6.02 terawatt-hours | -118.1% |
| 2000 | -2.08 terawatt-hours | -134.5% |
| 2001 | 11.72 terawatt-hours | -663.7% |
| 2002 | -3.52 terawatt-hours | -130.0% |
| 2003 | -1.9 terawatt-hours | -45.9% |
| 2004 | 46.63 terawatt-hours | -2548.4% |
| 2005 | 4.98 terawatt-hours | -89.3% |
| 2006 | 17.83 terawatt-hours | +258.3% |
| 2007 | -13.49 terawatt-hours | -175.7% |
| 2008 | 7.64 terawatt-hours | -156.6% |
| 2009 | -17.84 terawatt-hours | -333.6% |
| 2010 | 1.71 terawatt-hours | -109.6% |
| 2011 | 8.82 terawatt-hours | +416.9% |
| 2012 | 3.83 terawatt-hours | -56.6% |
| 2013 | 25.81 terawatt-hours | +573.7% |
| 2014 | 11.56 terawatt-hours | -55.2% |
| 2015 | -16.47 terawatt-hours | -242.5% |
| 2016 | -1.14 terawatt-hours | -93.1% |
| 2017 | -0.3901 terawatt-hours | -65.9% |
| 2018 | -1.71 terawatt-hours | +337.8% |
| 2019 | 1.4 terawatt-hours | -182.1% |
| 2020 | -9.03 terawatt-hours | -744.2% |
| 2021 | -16.75 terawatt-hours | +85.4% |
| 2022 | -16.22 terawatt-hours | -3.2% |
| 2023 | 5.44 terawatt-hours | -133.5% |
| 2024 | -10.4 terawatt-hours | -291.2% |
| 2025 | -0.5136 terawatt-hours | -95.1% |
Biggest year-on-year movements
Years where Annual change in primary energy from nuclear in Canada changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1968 | +4126.3% | -0.0576 terawatt-hours | 2.32 terawatt-hours |
| 2004 | +2548.4% | -1.9 terawatt-hours | 46.63 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.3038 terawatt-hours | -1.18 terawatt-hours | 2.32 terawatt-hours | 4 |
| 1970s | 10.53 terawatt-hours | -6.44 terawatt-hours | 27.05 terawatt-hours | 10 |
| 1980s | 13.35 terawatt-hours | -10.76 terawatt-hours | 32.56 terawatt-hours | 10 |
| 1990s | -1.92 terawatt-hours | -33.22 terawatt-hours | 41.82 terawatt-hours | 10 |
| 2000s | 5 terawatt-hours | -17.84 terawatt-hours | 46.63 terawatt-hours | 10 |
| 2010s | 3.34 terawatt-hours | -16.47 terawatt-hours | 25.81 terawatt-hours | 10 |
| 2020s | -7.91 terawatt-hours | -16.75 terawatt-hours | 5.44 terawatt-hours | 6 |
Countries ranked near Canada
More energy & mining data for Canada
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, annual growth rate 1.48 % change on previous year (2025)
- Coal consumption, per capita 0 terawatt-hours per person (2025)
- Coal consumption, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per capita 0.0001 terawatt-hours per person (2025)
- Coal production, per capita 0 terawatt-hours per person (2025)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Fossil fuel consumption by fuel, per capita 0 terawatt-hours per person (2025)
- Fuel imports 6.5% (2024)
Frequently asked questions
- What is annual change in primary energy from nuclear in Canada?
- Annual change in primary energy from nuclear in Canada was -0.5136 terawatt-hours in 2025, according to Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data.
- What is the highest annual change in primary energy from nuclear recorded in Canada?
- The highest recorded value was 46.63 terawatt-hours in 2004.
- What is the lowest annual change in primary energy from nuclear recorded in Canada?
- The lowest recorded value was -33.22 terawatt-hours in 1998.
- How does Canada rank for annual change in primary energy from nuclear?
- Canada ranks 208th out of 219 countries with data for 2025.
- Is annual change in primary energy from nuclear rising or falling in Canada?
- Over the last ten years it is up 96.9%. 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) – 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.