Share of electricity generation from nuclear in Bulgaria
Bulgaria: Share of electricity generation from nuclear was 39.1% in 2025. ▬ Flat
Share of electricity generation from nuclear in Bulgaria, 1985–2025
Source: Ember (2026) and other sources – with major processing by Our World in Data. Measured in %.
Analysis
The most recent figure for share of electricity generation from nuclear in Bulgaria is 39.1%, measured in 2025.
The figure is down 5.1% on the previous year and up 23.9% over ten years.
Over the whole period, share of electricity generation from nuclear in Bulgaria peaked at 48.1% in 2002 and was at its lowest, 28.6%, in 1987.
That places Bulgaria 8th out of 207 countries with data for 2025, putting it in the top 10%.
Share of electricity generation from nuclear in Bulgaria, year by year
| Year | % | Change |
|---|---|---|
| 1985 | 31.5% | — |
| 1986 | 28.9% | -8.5% |
| 1987 | 28.6% | -0.9% |
| 1988 | 35.6% | +24.5% |
| 1989 | 32.9% | -7.7% |
| 1990 | 35.0% | +6.5% |
| 1991 | 32.4% | -7.4% |
| 1992 | 32.6% | +0.6% |
| 1993 | 36.9% | +13.3% |
| 1994 | 40.4% | +9.4% |
| 1995 | 41.4% | +2.6% |
| 1996 | 42.4% | +2.2% |
| 1997 | 41.7% | -1.6% |
| 1998 | 40.8% | -2.1% |
| 1999 | 41.7% | +2.2% |
| 2000 | 44.8% | +7.5% |
| 2001 | 45.0% | +0.5% |
| 2002 | 48.1% | +6.8% |
| 2003 | 40.9% | -14.9% |
| 2004 | 40.7% | -0.5% |
| 2005 | 42.5% | +4.5% |
| 2006 | 42.9% | +0.9% |
| 2007 | 34.2% | -20.3% |
| 2008 | 35.4% | +3.7% |
| 2009 | 36.1% | +1.8% |
| 2010 | 33.2% | -7.9% |
| 2011 | 32.6% | -1.7% |
| 2012 | 34.0% | +4.0% |
| 2013 | 32.9% | -3.0% |
| 2014 | 33.8% | +2.7% |
| 2015 | 31.6% | -6.6% |
| 2016 | 35.4% | +12.2% |
| 2017 | 34.7% | -2.1% |
| 2018 | 34.7% | +0.0% |
| 2019 | 37.9% | +9.2% |
| 2020 | 41.4% | +9.4% |
| 2021 | 34.9% | -15.7% |
| 2022 | 32.7% | -6.3% |
| 2023 | 40.3% | +23.2% |
| 2024 | 41.2% | +2.2% |
| 2025 | 39.1% | -5.1% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 31.5% | 28.6% | 35.6% | 5 |
| 1990s | 38.5% | 32.4% | 42.4% | 10 |
| 2000s | 41.0% | 34.2% | 48.1% | 10 |
| 2010s | 34.1% | 31.6% | 37.9% | 10 |
| 2020s | 38.3% | 32.7% | 41.4% | 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 electricity generation from nuclear in Bulgaria?
- Share of electricity generation from nuclear in Bulgaria was 39.1% in 2025, according to Ember (2026) and other sources – with major processing by Our World in Data.
- What is the highest share of electricity generation from nuclear recorded in Bulgaria?
- The highest recorded value was 48.1% in 2002.
- What is the lowest share of electricity generation from nuclear recorded in Bulgaria?
- The lowest recorded value was 28.6% in 1987.
- How does Bulgaria rank for share of electricity generation from nuclear?
- Bulgaria ranks 8th out of 207 countries with data for 2025.
- Is share of electricity generation from nuclear rising or falling in Bulgaria?
- Over the last ten years it is up 23.9%. The long-run trend across the full record is flat.
- Where does this Bulgaria data come from?
- The figures come from Ember (2026) and other sources – with major processing by Our World in Data, published as part of Share of electricity generation from nuclear. Statizoid updates them automatically from the source API.
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About this data
Measured as a percentage of total electricity produced in the country or region.