Annual change in primary energy from coal in Bulgaria
Bulgaria: Annual change in primary energy from coal was 3.77 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
3.77 terawatt-hours
Change on year
up 150.5%
World rank
15th
of 79 countries
All-time high
14.1 terawatt-hours
in 2011
All-time low
-29.68 terawatt-hours
in 2023
Years of data
60
1966–2025
Annual change in primary energy from coal 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
The most recent figure for annual change in primary energy from coal in Bulgaria is 3.77 terawatt-hours, measured in 2025.
Compared with earlier readings it is up 150.5% on the previous year and up 58.0% over ten years.
Over the whole period, annual change in primary energy from coal in Bulgaria peaked at 14.1 terawatt-hours in 2011 and was at its lowest, -29.68 terawatt-hours, in 2023.
That places Bulgaria 15th out of 79 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.
Annual change in primary energy from coal in Bulgaria, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | 2.17 terawatt-hours | — |
| 1967 | 6.18 terawatt-hours | +184.0% |
| 1968 | 6.75 terawatt-hours | +9.2% |
| 1969 | 0.4536 terawatt-hours | -93.3% |
| 1970 | 8 terawatt-hours | +1664.1% |
| 1971 | -1.21 terawatt-hours | -115.1% |
| 1972 | 2.83 terawatt-hours | -333.7% |
| 1973 | 0.7327 terawatt-hours | -74.1% |
| 1974 | -1.63 terawatt-hours | -322.2% |
| 1975 | 4.55 terawatt-hours | -379.3% |
| 1976 | -6.69 terawatt-hours | -247.1% |
| 1977 | -0.3722 terawatt-hours | -94.4% |
| 1978 | 6.06 terawatt-hours | -1728.1% |
| 1979 | 3.04 terawatt-hours | -49.9% |
| 1980 | 4.92 terawatt-hours | +62.1% |
| 1981 | 1.63 terawatt-hours | -66.9% |
| 1982 | 5.42 terawatt-hours | +232.9% |
| 1983 | -0.4303 terawatt-hours | -107.9% |
| 1984 | 0.1744 terawatt-hours | -140.5% |
| 1985 | 4.91 terawatt-hours | +2713.4% |
| 1986 | 3.27 terawatt-hours | -33.4% |
| 1987 | -0.1047 terawatt-hours | -103.2% |
| 1988 | -8.23 terawatt-hours | +7767.4% |
| 1989 | 2.31 terawatt-hours | -128.1% |
| 1990 | -18.39 terawatt-hours | -894.7% |
| 1991 | -10.2 terawatt-hours | -44.6% |
| 1992 | 4.43 terawatt-hours | -143.4% |
| 1993 | 6.92 terawatt-hours | +56.3% |
| 1994 | -8.22 terawatt-hours | -218.8% |
| 1995 | 0.0111 terawatt-hours | -100.1% |
| 1996 | -0.3789 terawatt-hours | -3524.8% |
| 1997 | 12.43 terawatt-hours | -3381.3% |
| 1998 | -4.81 terawatt-hours | -138.7% |
| 1999 | -17 terawatt-hours | +253.6% |
| 2000 | -6.06 terawatt-hours | -64.3% |
| 2001 | 10.23 terawatt-hours | -268.9% |
| 2002 | -6.6 terawatt-hours | -164.5% |
| 2003 | 9.19 terawatt-hours | -239.3% |
| 2004 | -3.82 terawatt-hours | -141.6% |
| 2005 | -1.69 terawatt-hours | -55.9% |
| 2006 | 1.24 terawatt-hours | -173.5% |
| 2007 | 10.22 terawatt-hours | +724.3% |
| 2008 | -4.3 terawatt-hours | -142.1% |
| 2009 | -13.87 terawatt-hours | +222.2% |
| 2010 | 6.25 terawatt-hours | -145.1% |
| 2011 | 14.1 terawatt-hours | +125.4% |
| 2012 | -13.72 terawatt-hours | -197.3% |
| 2013 | -11.3 terawatt-hours | -17.6% |
| 2014 | 4.73 terawatt-hours | -141.8% |
| 2015 | 2.38 terawatt-hours | -49.5% |
| 2016 | -10.01 terawatt-hours | -519.8% |
| 2017 | 4.78 terawatt-hours | -147.7% |
| 2018 | -7.56 terawatt-hours | -258.2% |
| 2019 | -4.29 terawatt-hours | -43.3% |
| 2020 | -10.82 terawatt-hours | +152.3% |
| 2021 | 12.61 terawatt-hours | -216.6% |
| 2022 | 11.67 terawatt-hours | -7.5% |
| 2023 | -29.68 terawatt-hours | -354.3% |
| 2024 | -7.46 terawatt-hours | -74.9% |
| 2025 | 3.77 terawatt-hours | -150.5% |
Bulgaria compared with similar countries
- Bulgaria's 3.77 terawatt-hours is above the median for high income countries, which is -0.3338 terawatt-hours. (47 countries reporting)
- Bulgaria's 3.77 terawatt-hours is above the median for Europe & Central Asia, which is -0.3338 terawatt-hours. (39 countries reporting)
Biggest year-on-year movements
Years where Annual change in primary energy from coal 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 |
|---|---|---|---|
| 1988 | -7767.4% | -0.1047 terawatt-hours | -8.23 terawatt-hours |
| 1996 | -3524.8% | 0.0111 terawatt-hours | -0.3789 terawatt-hours |
| 1997 | +3381.3% | -0.3789 terawatt-hours | 12.43 terawatt-hours |
| 1985 | +2713.4% | 0.1744 terawatt-hours | 4.91 terawatt-hours |
| 1978 | +1728.1% | -0.3722 terawatt-hours | 6.06 terawatt-hours |
| 1970 | +1664.1% | 0.4536 terawatt-hours | 8 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 3.89 terawatt-hours | 0.4536 terawatt-hours | 6.75 terawatt-hours | 4 |
| 1970s | 1.53 terawatt-hours | -6.69 terawatt-hours | 8 terawatt-hours | 10 |
| 1980s | 1.39 terawatt-hours | -8.23 terawatt-hours | 5.42 terawatt-hours | 10 |
| 1990s | -3.52 terawatt-hours | -18.39 terawatt-hours | 12.43 terawatt-hours | 10 |
| 2000s | -0.546 terawatt-hours | -13.87 terawatt-hours | 10.23 terawatt-hours | 10 |
| 2010s | -1.46 terawatt-hours | -13.72 terawatt-hours | 14.1 terawatt-hours | 10 |
| 2020s | -3.32 terawatt-hours | -29.68 terawatt-hours | 12.61 terawatt-hours | 6 |
Countries ranked near Bulgaria
More energy & mining data for Bulgaria
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, annual growth rate 2.05 % change on previous year (2025)
- Coal consumption, per capita 0 terawatt-hours per person (2025)
- Coal consumption, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per capita 0 terawatt-hours per person (2025)
- Coal production, per capita 0 terawatt-hours per person (2025)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Fossil fuel consumption by fuel, per capita 0 terawatt-hours per person (2025)
- Fuel imports 12.3% (2024)
Frequently asked questions
- What is annual change in primary energy from coal in Bulgaria?
- Annual change in primary energy from coal in Bulgaria was 3.77 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 coal recorded in Bulgaria?
- The highest recorded value was 14.1 terawatt-hours in 2011.
- What is the lowest annual change in primary energy from coal recorded in Bulgaria?
- The lowest recorded value was -29.68 terawatt-hours in 2023.
- How does Bulgaria rank for annual change in primary energy from coal?
- Bulgaria ranks 15th out of 79 countries with data for 2025.
- Is annual change in primary energy from coal rising or falling in Bulgaria?
- Over the last ten years it is up 58.0%. 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 coal. 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.