Annual change in primary energy from oil in Bulgaria
Bulgaria: Annual change in primary energy from oil was 0.1667 terawatt-hours in 2025. ◆ Volatile
Annual change in primary energy from oil 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
In 2025, annual change in primary energy from oil in Bulgaria stood at 0.1667 terawatt-hours.
The figure is down 94.1% on the previous year and down 97.0% over ten years.
Over the whole period, annual change in primary energy from oil in Bulgaria peaked at 16.94 terawatt-hours in 1969 and was at its lowest, -39.5 terawatt-hours, in 1991.
Bulgaria ranks 40th 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 | 11.89 terawatt-hours | 6.16 terawatt-hours | 16.94 terawatt-hours | 4 |
| 1970s | 7.03 terawatt-hours | 4.51 terawatt-hours | 14.76 terawatt-hours | 10 |
| 1980s | -3.34 terawatt-hours | -17.93 terawatt-hours | 7.63 terawatt-hours | 10 |
| 1990s | -7.44 terawatt-hours | -39.5 terawatt-hours | 6.34 terawatt-hours | 10 |
| 2000s | -0.0949 terawatt-hours | -5.04 terawatt-hours | 5.37 terawatt-hours | 10 |
| 2010s | 0.6592 terawatt-hours | -4.93 terawatt-hours | 5.59 terawatt-hours | 10 |
| 2020s | 0.4983 terawatt-hours | -6.03 terawatt-hours | 3.86 terawatt-hours | 6 |
Countries ranked near Bulgaria
- 37 Sweden 0.6994 terawatt-hours compare
- 38 Trinidad and Tobago 0.3096 terawatt-hours compare
- 39 Azerbaijan 0.2362 terawatt-hours compare
- 41 Uzbekistan 0.1435 terawatt-hours compare
- 42 Portugal 0.1082 terawatt-hours compare
- 43 Iceland 0.0782 terawatt-hours compare
More reference data data for Bulgaria
- Spring temperature anomalies 0.2116 °C (2026)
- Summer temperature anomalies 1.08 °C (2026)
- Temperature anomalies by month 1.39 °C (2026)
- Universal right to vote in practice 2 (2025)
- Autumn temperature anomalies 1.44 °C (2025)
- Winter temperature anomalies 1.98 °C (2025)
- Consumer price index 162.5 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Competitive elections 1 (2025)
- Men's universal right to vote 1 (2025)
Frequently asked questions
- What is annual change in primary energy from oil in Bulgaria?
- Annual change in primary energy from oil in Bulgaria was 0.1667 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 annual change in primary energy from oil recorded in Bulgaria?
- The highest recorded value was 16.94 terawatt-hours in 1969.
- What is the lowest annual change in primary energy from oil recorded in Bulgaria?
- The lowest recorded value was -39.5 terawatt-hours in 1991.
- How does Bulgaria rank for annual change in primary energy from oil?
- Bulgaria ranks 40th out of 79 countries with data for 2025.
- Is annual change in primary energy from oil rising or falling in Bulgaria?
- Over the last ten years it is down 97.0%. 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) – with major processing by Our World in Data, published as part of Annual change in primary energy from oil. 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.