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
Latest (2025)
0.1667 terawatt-hours
Change on year
down 94.1%
World rank
41st
of 80 countries
All-time high
16.94 terawatt-hours
in 1969
All-time low
-39.5 terawatt-hours
in 1991
Years of data
60
1966–2025
Annual change in primary energy from oil in Bulgaria, 1966–2025
Source: Energy Institute – Statistical Review of World Energy (2026) – 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 41st of 80 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.
Annual change in primary energy from oil in Bulgaria, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | 6.16 terawatt-hours | — |
| 1967 | 12.85 terawatt-hours | +108.6% |
| 1968 | 11.62 terawatt-hours | -9.6% |
| 1969 | 16.94 terawatt-hours | +45.8% |
| 1970 | 14.76 terawatt-hours | -12.9% |
| 1971 | 10.59 terawatt-hours | -28.3% |
| 1972 | 4.66 terawatt-hours | -56.0% |
| 1973 | 6.6 terawatt-hours | +41.8% |
| 1974 | 5.1 terawatt-hours | -22.8% |
| 1975 | 7.97 terawatt-hours | +56.4% |
| 1976 | 5.53 terawatt-hours | -30.7% |
| 1977 | 5.8 terawatt-hours | +5.0% |
| 1978 | 4.51 terawatt-hours | -22.2% |
| 1979 | 4.76 terawatt-hours | +5.6% |
| 1980 | 3.46 terawatt-hours | -27.3% |
| 1981 | -17.93 terawatt-hours | -618.3% |
| 1982 | -4.55 terawatt-hours | -74.6% |
| 1983 | -4.89 terawatt-hours | +7.3% |
| 1984 | -5.47 terawatt-hours | +11.9% |
| 1985 | -10.04 terawatt-hours | +83.6% |
| 1986 | 6.61 terawatt-hours | -165.8% |
| 1987 | -5.04 terawatt-hours | -176.2% |
| 1988 | 7.63 terawatt-hours | -251.6% |
| 1989 | -3.22 terawatt-hours | -142.2% |
| 1990 | -9.22 terawatt-hours | +186.4% |
| 1991 | -39.5 terawatt-hours | +328.2% |
| 1992 | -8.13 terawatt-hours | -79.4% |
| 1993 | 6.34 terawatt-hours | -178.0% |
| 1994 | -4.27 terawatt-hours | -167.4% |
| 1995 | 1.97 terawatt-hours | -146.1% |
| 1996 | -5.96 terawatt-hours | -402.4% |
| 1997 | -14.83 terawatt-hours | +148.9% |
| 1998 | 3.37 terawatt-hours | -122.7% |
| 1999 | -4.11 terawatt-hours | -222.1% |
| 2000 | -3.02 terawatt-hours | -26.6% |
| 2001 | 1.77 terawatt-hours | -158.7% |
| 2002 | 0.2717 terawatt-hours | -84.7% |
| 2003 | 2.93 terawatt-hours | +977.1% |
| 2004 | -1.75 terawatt-hours | -159.8% |
| 2005 | 5.37 terawatt-hours | -406.4% |
| 2006 | 0.6851 terawatt-hours | -87.2% |
| 2007 | -1.14 terawatt-hours | -266.4% |
| 2008 | -1.02 terawatt-hours | -10.7% |
| 2009 | -5.04 terawatt-hours | +395.0% |
| 2010 | -4.93 terawatt-hours | -2.1% |
| 2011 | -2.16 terawatt-hours | -56.2% |
| 2012 | 1.84 terawatt-hours | -185.2% |
| 2013 | -3.36 terawatt-hours | -282.5% |
| 2014 | 3.5 terawatt-hours | -204.1% |
| 2015 | 5.59 terawatt-hours | +59.8% |
| 2016 | 0.909 terawatt-hours | -83.7% |
| 2017 | 2.71 terawatt-hours | +197.8% |
| 2018 | -0.2618 terawatt-hours | -109.7% |
| 2019 | 2.76 terawatt-hours | -1154.8% |
| 2020 | -6.03 terawatt-hours | -318.3% |
| 2021 | 2.7 terawatt-hours | -144.7% |
| 2022 | 3.86 terawatt-hours | +43.3% |
| 2023 | -0.5254 terawatt-hours | -113.6% |
| 2024 | 2.82 terawatt-hours | -636.7% |
| 2025 | 0.1667 terawatt-hours | -94.1% |
Bulgaria compared with similar countries
- Bulgaria's 0.1667 terawatt-hours is above the median for high income countries, which is -0.1787 terawatt-hours. (47 countries reporting)
- Bulgaria's 0.1667 terawatt-hours is above the median for Europe & Central Asia, which is 0.0508 terawatt-hours, 3.3× the median. (39 countries reporting)
Biggest year-on-year movements
Years where Annual change in primary energy from oil in Bulgaria changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2019 | +1154.8% | -0.2618 terawatt-hours | 2.76 terawatt-hours |
| 2003 | +977.1% | 0.2717 terawatt-hours | 2.93 terawatt-hours |
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
- 38 Sweden 0.6994 terawatt-hours compare
- 39 Trinidad and Tobago 0.3096 terawatt-hours compare
- 40 Azerbaijan 0.2362 terawatt-hours compare
- 42 Uzbekistan 0.1435 terawatt-hours compare
- 43 Portugal 0.1082 terawatt-hours compare
- 44 Iceland 0.0782 terawatt-hours compare
More reference data data for Bulgaria
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.3067 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.2728 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 1.73 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.2506 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 1.73 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 1.03 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.608 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 1.02 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 7.74 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 1.36 (2050)
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) – 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 41st out of 80 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) – 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
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.