Year-to-year change in primary energy use by source in Bulgaria
Bulgaria: Year-to-year change in primary energy use by source was 1.34 terawatt-hours in 2025. ◆ Volatile
Year-to-year change in primary energy use by source in Bulgaria, 1966–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
The most recent figure for year-to-year change in primary energy use by source in Bulgaria is 1.34 terawatt-hours, measured in 2025.
That represents a change of down 32.0% on the previous year and up 971.1% over ten years.
Over the whole period, year-to-year change in primary energy use by source in Bulgaria peaked at 1.97 terawatt-hours in 2024 and was at its lowest, -0.1353 terawatt-hours, in 2014.
Bulgaria ranks 29th of 79 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 | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 4 |
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 1980s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 1990s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 2000s | 0.0003 terawatt-hours | 0 terawatt-hours | 0.0031 terawatt-hours | 10 |
| 2010s | 0.1414 terawatt-hours | -0.1353 terawatt-hours | 0.6778 terawatt-hours | 10 |
| 2020s | 0.9018 terawatt-hours | -0.0021 terawatt-hours | 1.97 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 year-to-year change in primary energy use by source in Bulgaria?
- Year-to-year change in primary energy use by source in Bulgaria was 1.34 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 year-to-year change in primary energy use by source recorded in Bulgaria?
- The highest recorded value was 1.97 terawatt-hours in 2024.
- What is the lowest year-to-year change in primary energy use by source recorded in Bulgaria?
- The lowest recorded value was -0.1353 terawatt-hours in 2014.
- How does Bulgaria rank for year-to-year change in primary energy use by source?
- Bulgaria ranks 29th out of 79 countries with data for 2025.
- Is year-to-year change in primary energy use by source rising or falling in Bulgaria?
- Over the last ten years it is up 971.1%. 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 Year-to-year change in primary energy use by source. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 60 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.