Share of primary energy that comes from nuclear and renewables in Bulgaria
Bulgaria: Share of primary energy that comes from nuclear and renewables was 24.0% in 2025. ◆ Volatile
Share of primary energy that comes from nuclear and renewables in Bulgaria, 1965–2025
Source: Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in %.
Analysis
Bulgaria recorded 24.0% for share of primary energy that comes from nuclear and renewables in 2025.
That represents a change of down 4.8% on the previous year and up 11.9% over ten years.
Over the whole period, share of primary energy that comes from nuclear and renewables in Bulgaria peaked at 28.1% in 2002 and was at its lowest, 0.0%, in 1965.
Bulgaria ranks 7th of 216 countries on this measure, in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Share of primary energy that comes from nuclear and renewables in Bulgaria, year by year
| Year | % | Change |
|---|---|---|
| 1965 | 0.0% | — |
| 1966 | 0.0% | — |
| 1967 | 0.0% | — |
| 1968 | 0.0% | — |
| 1969 | 0.0% | — |
| 1970 | 0.0% | — |
| 1971 | 0.0% | — |
| 1972 | 0.0% | — |
| 1973 | 0.0% | — |
| 1974 | 1.2% | — |
| 1975 | 3.0% | +149.0% |
| 1976 | 5.5% | +84.6% |
| 1977 | 6.1% | +12.2% |
| 1978 | 5.9% | -3.5% |
| 1979 | 6.0% | +0.9% |
| 1980 | 5.7% | -5.4% |
| 1981 | 8.5% | +49.8% |
| 1982 | 9.7% | +14.5% |
| 1983 | 11.1% | +13.9% |
| 1984 | 11.5% | +3.9% |
| 1985 | 11.9% | +3.3% |
| 1986 | 10.7% | -9.8% |
| 1987 | 11.0% | +2.3% |
| 1988 | 13.8% | +25.7% |
| 1989 | 12.7% | -8.2% |
| 1990 | 13.7% | +8.4% |
| 1991 | 15.3% | +11.7% |
| 1992 | 14.3% | -7.0% |
| 1993 | 16.1% | +13.0% |
| 1994 | 18.3% | +13.6% |
| 1995 | 19.2% | +5.2% |
| 1996 | 20.3% | +5.5% |
| 1997 | 21.1% | +3.7% |
| 1998 | 20.9% | -0.6% |
| 1999 | 22.3% | +6.4% |
| 2000 | 25.5% | +14.5% |
| 2001 | 26.3% | +2.9% |
| 2002 | 28.1% | +6.8% |
| 2003 | 23.4% | -16.7% |
| 2004 | 23.5% | +0.7% |
| 2005 | 24.2% | +2.9% |
| 2006 | 24.7% | +2.1% |
| 2007 | 19.1% | -22.7% |
| 2008 | 20.8% | +8.5% |
| 2009 | 23.0% | +10.9% |
| 2010 | 22.3% | -3.0% |
| 2011 | 22.1% | -1.2% |
| 2012 | 22.7% | +2.9% |
| 2013 | 22.3% | -1.6% |
| 2014 | 23.3% | +4.5% |
| 2015 | 21.5% | -8.0% |
| 2016 | 22.9% | +6.5% |
| 2017 | 21.8% | -4.6% |
| 2018 | 22.9% | +4.9% |
| 2019 | 23.9% | +4.3% |
| 2020 | 25.9% | +8.7% |
| 2021 | 23.0% | -11.5% |
| 2022 | 22.1% | -3.8% |
| 2023 | 25.4% | +15.2% |
| 2024 | 25.2% | -0.9% |
| 2025 | 24.0% | -4.8% |
Biggest year-on-year movements
Years where Share of primary energy that comes from nuclear and renewables 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 | +149.0% | 1.2% | 3.0% |
| 1976 | +84.6% | 3.0% | 5.5% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.0% | 0.0% | 0.0% | 5 |
| 1970s | 2.8% | 0.0% | 6.1% | 10 |
| 1980s | 10.6% | 5.7% | 13.8% | 10 |
| 1990s | 18.2% | 13.7% | 22.3% | 10 |
| 2000s | 23.9% | 19.1% | 28.1% | 10 |
| 2010s | 22.6% | 21.5% | 23.9% | 10 |
| 2020s | 24.3% | 22.1% | 25.9% | 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 share of primary energy that comes from nuclear and renewables in Bulgaria?
- Share of primary energy that comes from nuclear and renewables in Bulgaria was 24.0% in 2025, according to Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
- What is the highest share of primary energy that comes from nuclear and renewables recorded in Bulgaria?
- The highest recorded value was 28.1% in 2002.
- What is the lowest share of primary energy that comes from nuclear and renewables recorded in Bulgaria?
- The lowest recorded value was 0.0% in 1965.
- How does Bulgaria rank for share of primary energy that comes from nuclear and renewables?
- Bulgaria ranks 7th out of 216 countries with data for 2025.
- Is share of primary energy that comes from nuclear and renewables rising or falling in Bulgaria?
- Over the last ten years it is up 11.9%. 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); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Share of primary energy that comes from nuclear and renewables. Statizoid updates them automatically from the source API.
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About this data
Measured as a percentage of total energy supply.