Annual change in primary energy from renewables in Bulgaria
Bulgaria: Annual change in primary energy from renewables was 1.53 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
1.53 terawatt-hours
Change on year
up 55.8%
World rank
39th
of 80 countries
All-time high
5.61 terawatt-hours
in 2018
All-time low
-1.82 terawatt-hours
in 2011
Years of data
60
1966–2025
Annual change in primary energy from renewables 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 renewables in Bulgaria is 1.53 terawatt-hours, measured in 2025.
Compared with earlier readings it is up 55.8% on the previous year and down 20.3% over ten years.
Over the whole period, annual change in primary energy from renewables in Bulgaria peaked at 5.61 terawatt-hours in 2018 and was at its lowest, -1.82 terawatt-hours, in 2011.
That places Bulgaria 39th out of 80 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 renewables in Bulgaria, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | 0.01 terawatt-hours | — |
| 1967 | 0.012 terawatt-hours | +20.0% |
| 1968 | -0.717 terawatt-hours | -6075.0% |
| 1969 | 0.534 terawatt-hours | -174.5% |
| 1970 | 0.313 terawatt-hours | -41.4% |
| 1971 | 0.018 terawatt-hours | -94.2% |
| 1972 | -0.075 terawatt-hours | -516.7% |
| 1973 | 0.475 terawatt-hours | -733.3% |
| 1974 | -0.49 terawatt-hours | -203.2% |
| 1975 | 0.373 terawatt-hours | -176.1% |
| 1976 | 0.501 terawatt-hours | +34.3% |
| 1977 | 0.575 terawatt-hours | +14.8% |
| 1978 | -0.62 terawatt-hours | -207.8% |
| 1979 | 0.402 terawatt-hours | -164.8% |
| 1980 | 0.402 terawatt-hours | +0.0% |
| 1981 | -0.095 terawatt-hours | -123.6% |
| 1982 | -0.568 terawatt-hours | +497.9% |
| 1983 | 0.303 terawatt-hours | -153.3% |
| 1984 | -0.093 terawatt-hours | -130.7% |
| 1985 | -1.02 terawatt-hours | +1000.0% |
| 1986 | 0.089 terawatt-hours | -108.7% |
| 1987 | 0.211 terawatt-hours | +137.1% |
| 1988 | 0.059 terawatt-hours | -72.0% |
| 1989 | 0.095 terawatt-hours | +61.0% |
| 1990 | -1.06 terawatt-hours | -1216.8% |
| 1991 | 0.638 terawatt-hours | -160.1% |
| 1992 | -0.365 terawatt-hours | -157.2% |
| 1993 | -0.116 terawatt-hours | -68.2% |
| 1994 | -0.491 terawatt-hours | +323.3% |
| 1995 | 0.878 terawatt-hours | -278.8% |
| 1996 | 0.714 terawatt-hours | -18.7% |
| 1997 | -0.164 terawatt-hours | -123.0% |
| 1998 | 0.344 terawatt-hours | -309.8% |
| 1999 | -0.336 terawatt-hours | -197.7% |
| 2000 | -0.101 terawatt-hours | -69.9% |
| 2001 | -0.98 terawatt-hours | +870.3% |
| 2002 | 0.465 terawatt-hours | -147.4% |
| 2003 | 0.879 terawatt-hours | +89.0% |
| 2004 | 0.1448 terawatt-hours | -83.5% |
| 2005 | 1.16 terawatt-hours | +702.6% |
| 2006 | -0.069 terawatt-hours | -105.9% |
| 2007 | -1.36 terawatt-hours | +1865.8% |
| 2008 | 0.1055 terawatt-hours | -107.8% |
| 2009 | 0.7738 terawatt-hours | +633.2% |
| 2010 | 2.26 terawatt-hours | +192.5% |
| 2011 | -1.82 terawatt-hours | -180.5% |
| 2012 | 2.16 terawatt-hours | -218.3% |
| 2013 | 2.06 terawatt-hours | -4.6% |
| 2014 | 0.6494 terawatt-hours | -68.4% |
| 2015 | 1.92 terawatt-hours | +195.0% |
| 2016 | -1.35 terawatt-hours | -170.5% |
| 2017 | -0.7951 terawatt-hours | -41.1% |
| 2018 | 5.61 terawatt-hours | -806.1% |
| 2019 | -1.21 terawatt-hours | -121.6% |
| 2020 | -0.3421 terawatt-hours | -71.8% |
| 2021 | 4.65 terawatt-hours | -1457.8% |
| 2022 | -1.18 terawatt-hours | -125.3% |
| 2023 | -0.4754 terawatt-hours | -59.6% |
| 2024 | 0.9796 terawatt-hours | -306.1% |
| 2025 | 1.53 terawatt-hours | +55.8% |
Bulgaria compared with similar countries
- Bulgaria's 1.53 terawatt-hours is above the median for high income countries, which is 0.8583 terawatt-hours, 1.8× the median. (47 countries reporting)
- Bulgaria's 1.53 terawatt-hours is above the median for Europe & Central Asia, which is 0.2349 terawatt-hours, 6.5× the median. (39 countries reporting)
Biggest year-on-year movements
Years where Annual change in primary energy from renewables 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 |
|---|---|---|---|
| 1968 | -6075.0% | 0.012 terawatt-hours | -0.717 terawatt-hours |
| 2007 | -1865.8% | -0.069 terawatt-hours | -1.36 terawatt-hours |
| 2021 | +1457.8% | -0.3421 terawatt-hours | 4.65 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | -0.0402 terawatt-hours | -0.717 terawatt-hours | 0.534 terawatt-hours | 4 |
| 1970s | 0.1472 terawatt-hours | -0.62 terawatt-hours | 0.575 terawatt-hours | 10 |
| 1980s | -0.062 terawatt-hours | -1.02 terawatt-hours | 0.402 terawatt-hours | 10 |
| 1990s | 0.0041 terawatt-hours | -1.06 terawatt-hours | 0.878 terawatt-hours | 10 |
| 2000s | 0.1024 terawatt-hours | -1.36 terawatt-hours | 1.16 terawatt-hours | 10 |
| 2010s | 0.9475 terawatt-hours | -1.82 terawatt-hours | 5.61 terawatt-hours | 10 |
| 2020s | 0.8595 terawatt-hours | -1.18 terawatt-hours | 4.65 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 renewables in Bulgaria?
- Annual change in primary energy from renewables in Bulgaria was 1.53 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 renewables recorded in Bulgaria?
- The highest recorded value was 5.61 terawatt-hours in 2018.
- What is the lowest annual change in primary energy from renewables recorded in Bulgaria?
- The lowest recorded value was -1.82 terawatt-hours in 2011.
- How does Bulgaria rank for annual change in primary energy from renewables?
- Bulgaria ranks 39th out of 80 countries with data for 2025.
- Is annual change in primary energy from renewables rising or falling in Bulgaria?
- Over the last ten years it is down 20.3%. 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 renewables. 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.