Primary energy from nuclear in Bulgaria
Bulgaria: Primary energy from nuclear was 46.47 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
46.47 terawatt-hours
Change on year
down 2.8%
World rank
24th
of 219 countries
All-time high
61.28 terawatt-hours
in 2002
All-time low
0 terawatt-hours
in 1965
Years of data
61
1965–2025
Primary energy from nuclear in Bulgaria, 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 Bulgaria stood at 46.47 terawatt-hours.
Compared with earlier readings it is down 2.8% on the previous year and down 0.3% over ten years.
Over the whole period, primary energy from nuclear in Bulgaria peaked at 61.28 terawatt-hours in 2002 and was at its lowest, 0 terawatt-hours, in 1965.
That places Bulgaria 24th out of 219 countries with data for 2025, putting it in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Primary energy from nuclear in Bulgaria, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1965 | 0 terawatt-hours | — |
| 1966 | 0 terawatt-hours | — |
| 1967 | 0 terawatt-hours | — |
| 1968 | 0 terawatt-hours | — |
| 1969 | 0 terawatt-hours | — |
| 1970 | 0 terawatt-hours | — |
| 1971 | 0 terawatt-hours | — |
| 1972 | 0 terawatt-hours | — |
| 1973 | 0 terawatt-hours | — |
| 1974 | 2.81 terawatt-hours | — |
| 1975 | 7.74 terawatt-hours | +175.2% |
| 1976 | 15.12 terawatt-hours | +95.3% |
| 1977 | 17.83 terawatt-hours | +17.9% |
| 1978 | 17.91 terawatt-hours | +0.4% |
| 1979 | 18.73 terawatt-hours | +4.6% |
| 1980 | 18.68 terawatt-hours | -0.2% |
| 1981 | 27.63 terawatt-hours | +47.9% |
| 1982 | 32.56 terawatt-hours | +17.8% |
| 1983 | 37.33 terawatt-hours | +14.6% |
| 1984 | 38.59 terawatt-hours | +3.4% |
| 1985 | 39.79 terawatt-hours | +3.1% |
| 1986 | 36.58 terawatt-hours | -8.1% |
| 1987 | 37.68 terawatt-hours | +3.0% |
| 1988 | 48.58 terawatt-hours | +28.9% |
| 1989 | 44.14 terawatt-hours | -9.1% |
| 1990 | 44.44 terawatt-hours | +0.7% |
| 1991 | 39.95 terawatt-hours | -10.1% |
| 1992 | 35.01 terawatt-hours | -12.4% |
| 1993 | 42.34 terawatt-hours | +21.0% |
| 1994 | 46.47 terawatt-hours | +9.7% |
| 1995 | 52.31 terawatt-hours | +12.6% |
| 1996 | 54.79 terawatt-hours | +4.8% |
| 1997 | 53.79 terawatt-hours | -1.8% |
| 1998 | 51.21 terawatt-hours | -4.8% |
| 1999 | 47.92 terawatt-hours | -6.4% |
| 2000 | 55.08 terawatt-hours | +14.9% |
| 2001 | 59.25 terawatt-hours | +7.6% |
| 2002 | 61.28 terawatt-hours | +3.4% |
| 2003 | 52.36 terawatt-hours | -14.5% |
| 2004 | 50.95 terawatt-hours | -2.7% |
| 2005 | 56.52 terawatt-hours | +10.9% |
| 2006 | 59.07 terawatt-hours | +4.5% |
| 2007 | 44.37 terawatt-hours | -24.9% |
| 2008 | 47.77 terawatt-hours | +7.7% |
| 2009 | 46.23 terawatt-hours | -3.2% |
| 2010 | 46.21 terawatt-hours | -0.0% |
| 2011 | 49.44 terawatt-hours | +7.0% |
| 2012 | 47.83 terawatt-hours | -3.2% |
| 2013 | 42.94 terawatt-hours | -10.2% |
| 2014 | 48.08 terawatt-hours | +12.0% |
| 2015 | 46.62 terawatt-hours | -3.1% |
| 2016 | 47.81 terawatt-hours | +2.6% |
| 2017 | 47.11 terawatt-hours | -1.5% |
| 2018 | 48.86 terawatt-hours | +3.7% |
| 2019 | 50.17 terawatt-hours | +2.7% |
| 2020 | 50.38 terawatt-hours | +0.4% |
| 2021 | 49.96 terawatt-hours | -0.8% |
| 2022 | 49.88 terawatt-hours | -0.2% |
| 2023 | 48.98 terawatt-hours | -1.8% |
| 2024 | 47.81 terawatt-hours | -2.4% |
| 2025 | 46.47 terawatt-hours | -2.8% |
Biggest year-on-year movements
Years where Primary energy from nuclear in Bulgaria 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 |
|---|---|---|---|
| 1975 | +175.2% | 2.81 terawatt-hours | 7.74 terawatt-hours |
| 1976 | +95.3% | 7.74 terawatt-hours | 15.12 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 5 |
| 1970s | 8.01 terawatt-hours | 0 terawatt-hours | 18.73 terawatt-hours | 10 |
| 1980s | 36.16 terawatt-hours | 18.68 terawatt-hours | 48.58 terawatt-hours | 10 |
| 1990s | 46.82 terawatt-hours | 35.01 terawatt-hours | 54.79 terawatt-hours | 10 |
| 2000s | 53.29 terawatt-hours | 44.37 terawatt-hours | 61.28 terawatt-hours | 10 |
| 2010s | 47.51 terawatt-hours | 42.94 terawatt-hours | 50.17 terawatt-hours | 10 |
| 2020s | 48.91 terawatt-hours | 46.47 terawatt-hours | 50.38 terawatt-hours | 6 |
Countries ranked near Bulgaria
More energy & mining data for Bulgaria
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, annual growth rate 2.05 % 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 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 12.3% (2024)
Frequently asked questions
- What is primary energy from nuclear in Bulgaria?
- Primary energy from nuclear in Bulgaria was 46.47 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 Bulgaria?
- The highest recorded value was 61.28 terawatt-hours in 2002.
- What is the lowest primary energy from nuclear recorded in Bulgaria?
- The lowest recorded value was 0 terawatt-hours in 1965.
- How does Bulgaria rank for primary energy from nuclear?
- Bulgaria ranks 24th out of 219 countries with data for 2025.
- Is primary energy from nuclear rising or falling in Bulgaria?
- Over the last ten years it is down 0.3%. The long-run trend across the full record is volatile.
- Where does this Bulgaria 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
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About this data
Measured in terawatt-hours of total energy supply.