Annual change in primary energy from fossil fuels in Bulgaria
Bulgaria: Annual change in primary energy from fossil fuels was 3.69 terawatt-hours in 2025. β Volatile
Annual change in primary energy from fossil fuels in Bulgaria, 1966β2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) β with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
The most recent figure for annual change in primary energy from fossil fuels in Bulgaria is 3.69 terawatt-hours, measured in 2025.
The figure is up 233.5% on the previous year and down 65.2% over ten years.
Over the whole period, annual change in primary energy from fossil fuels in Bulgaria peaked at 22.37 terawatt-hours in 1970 and was at its lowest, -59.49 terawatt-hours, in 1991.
Bulgaria ranks 31st of 76 countries on this measure, in the middle of the range.
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 | 16.65 terawatt-hours | 8.61 terawatt-hours | 20.74 terawatt-hours | 4 |
| 1970s | 11.03 terawatt-hours | 5.77 terawatt-hours | 22.37 terawatt-hours | 10 |
| 1980s | 1.11 terawatt-hours | -13.06 terawatt-hours | 16.59 terawatt-hours | 10 |
| 1990s | -13.77 terawatt-hours | -59.49 terawatt-hours | 11.06 terawatt-hours | 10 |
| 2000s | -1.34 terawatt-hours | -28.57 terawatt-hours | 13.56 terawatt-hours | 10 |
| 2010s | -0.3999 terawatt-hours | -15.63 terawatt-hours | 15.81 terawatt-hours | 10 |
| 2020s | -3.06 terawatt-hours | -31.98 terawatt-hours | 19.12 terawatt-hours | 6 |
Countries ranked near Bulgaria
More energy & mining data for Bulgaria
- Fuel imports 12.3% (2024)
- Ores and metals imports 9.8% (2024)
- Ores and metals exports 15.6% (2024)
- Gas production 0.0968 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 14.32 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 0.0968 terawatt-hours (2024)
- Gas production per person 14.32 kilowatt-hours per person (2024)
- Fuel exports 7.8% (2024)
- Electric power transmission and distribution losses 5.9% (2023)
- Share of dietary energy supply from carbohydrates vs gdp per capita 46.56 (2023)
Frequently asked questions
- What is annual change in primary energy from fossil fuels in Bulgaria?
- Annual change in primary energy from fossil fuels in Bulgaria was 3.69 terawatt-hours in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017) β with major processing by Our World in Data.
- What is the highest annual change in primary energy from fossil fuels recorded in Bulgaria?
- The highest recorded value was 22.37 terawatt-hours in 1970.
- What is the lowest annual change in primary energy from fossil fuels recorded in Bulgaria?
- The lowest recorded value was -59.49 terawatt-hours in 1991.
- How does Bulgaria rank for annual change in primary energy from fossil fuels?
- Bulgaria ranks 31st out of 76 countries with data for 2025.
- Is annual change in primary energy from fossil fuels rising or falling in Bulgaria?
- Over the last ten years it is down 65.2%. 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) β with major processing by Our World in Data, published as part of Annual change in primary energy from fossil fuels. Statizoid updates them automatically from the source API.
Download this data
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About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.