Annual change in primary energy from gas in Bulgaria
Bulgaria: Annual change in primary energy from gas was -0.2432 terawatt-hours in 2025. ◆ Volatile
Annual change in primary energy from gas 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
Bulgaria recorded -0.2432 terawatt-hours for annual change in primary energy from gas in 2025.
The figure is down 113.0% on the previous year and down 109.2% over ten years.
Over the whole period, annual change in primary energy from gas in Bulgaria peaked at 9.08 terawatt-hours in 1995 and was at its lowest, -10.94 terawatt-hours, in 1997.
That places Bulgaria 45th out of 77 countries with data for 2025, putting it 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 gas in Bulgaria, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | 0.2767 terawatt-hours | — |
| 1967 | 1.72 terawatt-hours | +520.0% |
| 1968 | 1.36 terawatt-hours | -21.0% |
| 1969 | 0.1568 terawatt-hours | -88.4% |
| 1970 | -0.3967 terawatt-hours | -352.9% |
| 1971 | -0.7951 terawatt-hours | +100.4% |
| 1972 | -0.9385 terawatt-hours | +18.0% |
| 1973 | 0.0145 terawatt-hours | -101.5% |
| 1974 | 2.3 terawatt-hours | +15775.8% |
| 1975 | 7.04 terawatt-hours | +206.0% |
| 1976 | 8.46 terawatt-hours | +20.1% |
| 1977 | 5.45 terawatt-hours | -35.5% |
| 1978 | 1.68 terawatt-hours | -69.1% |
| 1979 | 1.88 terawatt-hours | +11.5% |
| 1980 | 8.21 terawatt-hours | +337.0% |
| 1981 | 3.25 terawatt-hours | -60.5% |
| 1982 | 4.29 terawatt-hours | +32.1% |
| 1983 | 2.26 terawatt-hours | -47.3% |
| 1984 | 2.41 terawatt-hours | +6.4% |
| 1985 | 4.46 terawatt-hours | +85.5% |
| 1986 | -0.3725 terawatt-hours | -108.3% |
| 1987 | 6.14 terawatt-hours | -1747.6% |
| 1988 | -1.7 terawatt-hours | -127.7% |
| 1989 | 1.7 terawatt-hours | -200.0% |
| 1990 | 3.59 terawatt-hours | +111.6% |
| 1991 | -9.8 terawatt-hours | -372.6% |
| 1992 | -6.1 terawatt-hours | -37.8% |
| 1993 | -3.28 terawatt-hours | -46.3% |
| 1994 | 0.017 terawatt-hours | -100.5% |
| 1995 | 9.08 terawatt-hours | +53296.5% |
| 1996 | 1.15 terawatt-hours | -87.4% |
| 1997 | -10.94 terawatt-hours | -1055.2% |
| 1998 | -7.05 terawatt-hours | -35.6% |
| 1999 | -4.82 terawatt-hours | -31.5% |
| 2000 | 2.79 terawatt-hours | -157.8% |
| 2001 | -5.43 terawatt-hours | -294.6% |
| 2002 | -3.25 terawatt-hours | -40.2% |
| 2003 | 1.44 terawatt-hours | -144.4% |
| 2004 | -0.6342 terawatt-hours | -144.0% |
| 2005 | 6.47 terawatt-hours | -1119.4% |
| 2006 | 0.993 terawatt-hours | -84.6% |
| 2007 | 0.262 terawatt-hours | -73.6% |
| 2008 | 0.0023 terawatt-hours | -99.1% |
| 2009 | -9.66 terawatt-hours | -429194.4% |
| 2010 | 2.46 terawatt-hours | -125.5% |
| 2011 | 3.87 terawatt-hours | +57.5% |
| 2012 | -2.08 terawatt-hours | -153.8% |
| 2013 | -0.9683 terawatt-hours | -53.5% |
| 2014 | -0.1825 terawatt-hours | -81.2% |
| 2015 | 2.64 terawatt-hours | -1547.7% |
| 2016 | 1.25 terawatt-hours | -52.8% |
| 2017 | 0.886 terawatt-hours | -28.9% |
| 2018 | -1.91 terawatt-hours | -315.3% |
| 2019 | -1.92 terawatt-hours | +0.7% |
| 2020 | 0.8977 terawatt-hours | -146.7% |
| 2021 | 3.81 terawatt-hours | +324.8% |
| 2022 | -5.99 terawatt-hours | -257.0% |
| 2023 | -1.77 terawatt-hours | -70.4% |
| 2024 | 1.87 terawatt-hours | -205.5% |
| 2025 | -0.2432 terawatt-hours | -113.0% |
Bulgaria compared with similar countries
- Bulgaria's -0.2432 terawatt-hours is below the median for high income countries, which is 1.19 terawatt-hours. (45 countries reporting)
- Bulgaria's -0.2432 terawatt-hours is below the median for Europe & Central Asia, which is 1 terawatt-hours. (37 countries reporting)
Biggest year-on-year movements
Years where Annual change in primary energy from gas 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 |
|---|---|---|---|
| 2009 | -429194.4% | 0.0023 terawatt-hours | -9.66 terawatt-hours |
| 1995 | +53296.5% | 0.017 terawatt-hours | 9.08 terawatt-hours |
| 1974 | +15775.8% | 0.0145 terawatt-hours | 2.3 terawatt-hours |
| 1987 | +1747.6% | -0.3725 terawatt-hours | 6.14 terawatt-hours |
| 2015 | +1547.7% | -0.1825 terawatt-hours | 2.64 terawatt-hours |
| 2005 | +1119.4% | -0.6342 terawatt-hours | 6.47 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.8764 terawatt-hours | 0.1568 terawatt-hours | 1.72 terawatt-hours | 4 |
| 1970s | 2.47 terawatt-hours | -0.9385 terawatt-hours | 8.46 terawatt-hours | 10 |
| 1980s | 3.06 terawatt-hours | -1.7 terawatt-hours | 8.21 terawatt-hours | 10 |
| 1990s | -2.81 terawatt-hours | -10.94 terawatt-hours | 9.08 terawatt-hours | 10 |
| 2000s | -0.7015 terawatt-hours | -9.66 terawatt-hours | 6.47 terawatt-hours | 10 |
| 2010s | 0.4045 terawatt-hours | -2.08 terawatt-hours | 3.87 terawatt-hours | 10 |
| 2020s | -0.2367 terawatt-hours | -5.99 terawatt-hours | 3.81 terawatt-hours | 6 |
Countries ranked near Bulgaria
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 gas in Bulgaria?
- Annual change in primary energy from gas in Bulgaria was -0.2432 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 gas recorded in Bulgaria?
- The highest recorded value was 9.08 terawatt-hours in 1995.
- What is the lowest annual change in primary energy from gas recorded in Bulgaria?
- The lowest recorded value was -10.94 terawatt-hours in 1997.
- How does Bulgaria rank for annual change in primary energy from gas?
- Bulgaria ranks 45th out of 77 countries with data for 2025.
- Is annual change in primary energy from gas rising or falling in Bulgaria?
- Over the last ten years it is down 109.2%. 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) – with major processing by Our World in Data, published as part of Annual change in primary energy from gas. 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.