Annual change in primary energy use in Bulgaria
Bulgaria: Annual change in primary energy use was 3.88 terawatt-hours in 2025. ◆ Volatile
Annual change in primary energy use in Bulgaria, 1966–2025
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 terawatt-hours.
Analysis
Bulgaria recorded 3.88 terawatt-hours for annual change in primary energy use in 2025.
The figure is up 231.2% on the previous year and down 65.0% over ten years.
Over the whole period, annual change in primary energy use in Bulgaria peaked at 24.87 terawatt-hours in 1975 and was at its lowest, -63.34 terawatt-hours, in 1991.
That places Bulgaria 49th out of 218 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.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 16.61 terawatt-hours | 8.62 terawatt-hours | 20.75 terawatt-hours | 4 |
| 1970s | 13.05 terawatt-hours | 6.47 terawatt-hours | 24.87 terawatt-hours | 10 |
| 1980s | 3.59 terawatt-hours | -4.2 terawatt-hours | 16.95 terawatt-hours | 10 |
| 1990s | -13.39 terawatt-hours | -63.34 terawatt-hours | 17.77 terawatt-hours | 10 |
| 2000s | -1.41 terawatt-hours | -29.34 terawatt-hours | 16.88 terawatt-hours | 10 |
| 2010s | 0.9414 terawatt-hours | -18.46 terawatt-hours | 17.22 terawatt-hours | 10 |
| 2020s | -2.81 terawatt-hours | -33.36 terawatt-hours | 23.34 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 46.6% (2023)
Frequently asked questions
- What is annual change in primary energy use in Bulgaria?
- Annual change in primary energy use in Bulgaria was 3.88 terawatt-hours 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 annual change in primary energy use recorded in Bulgaria?
- The highest recorded value was 24.87 terawatt-hours in 1975.
- What is the lowest annual change in primary energy use recorded in Bulgaria?
- The lowest recorded value was -63.34 terawatt-hours in 1991.
- How does Bulgaria rank for annual change in primary energy use?
- Bulgaria ranks 49th out of 218 countries with data for 2025.
- Is annual change in primary energy use rising or falling in Bulgaria?
- Over the last ten years it is down 65.0%. 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 Annual change in primary energy use. Statizoid updates them automatically from the source API.
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About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.