Hydropower generation by region in Bulgaria
Bulgaria: Hydropower generation by region was 2.78 terawatt-hours in 2025. ▲ Rising
Latest (2025)
2.78 terawatt-hours
Change on year
down 0.2%
World rank
52nd
of 80 countries
All-time high
5.65 terawatt-hours
in 2015
All-time low
1.3 terawatt-hours
in 1994
Years of data
61
1965–2025
Hydropower generation by region in Bulgaria, 1965–2025
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 hydropower generation by region in Bulgaria is 2.78 terawatt-hours, measured in 2025.
Compared with earlier readings it is down 0.2% on the previous year and down 50.8% over ten years.
Over the whole period, hydropower generation by region in Bulgaria peaked at 5.65 terawatt-hours in 2015 and was at its lowest, 1.3 terawatt-hours, in 1994.
That places Bulgaria 52nd out of 80 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently rising across the 61 years of available data.
Hydropower generation by region in Bulgaria, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1965 | 2 terawatt-hours | — |
| 1966 | 2.01 terawatt-hours | +0.5% |
| 1967 | 2.02 terawatt-hours | +0.6% |
| 1968 | 1.3 terawatt-hours | -35.5% |
| 1969 | 1.84 terawatt-hours | +40.9% |
| 1970 | 2.15 terawatt-hours | +17.0% |
| 1971 | 2.17 terawatt-hours | +0.8% |
| 1972 | 2.1 terawatt-hours | -3.5% |
| 1973 | 2.57 terawatt-hours | +22.7% |
| 1974 | 2.08 terawatt-hours | -19.1% |
| 1975 | 2.45 terawatt-hours | +17.9% |
| 1976 | 2.95 terawatt-hours | +20.4% |
| 1977 | 3.53 terawatt-hours | +19.5% |
| 1978 | 2.91 terawatt-hours | -17.6% |
| 1979 | 3.31 terawatt-hours | +13.8% |
| 1980 | 3.71 terawatt-hours | +12.1% |
| 1981 | 3.62 terawatt-hours | -2.6% |
| 1982 | 3.05 terawatt-hours | -15.7% |
| 1983 | 3.35 terawatt-hours | +9.9% |
| 1984 | 3.26 terawatt-hours | -2.8% |
| 1985 | 2.24 terawatt-hours | -31.4% |
| 1986 | 2.33 terawatt-hours | +4.0% |
| 1987 | 2.54 terawatt-hours | +9.1% |
| 1988 | 2.6 terawatt-hours | +2.3% |
| 1989 | 2.69 terawatt-hours | +3.7% |
| 1990 | 1.63 terawatt-hours | -39.4% |
| 1991 | 2.27 terawatt-hours | +39.1% |
| 1992 | 1.9 terawatt-hours | -16.1% |
| 1993 | 1.79 terawatt-hours | -6.1% |
| 1994 | 1.3 terawatt-hours | -27.5% |
| 1995 | 2.17 terawatt-hours | +67.7% |
| 1996 | 2.89 terawatt-hours | +32.8% |
| 1997 | 2.72 terawatt-hours | -5.7% |
| 1998 | 3.07 terawatt-hours | +12.6% |
| 1999 | 2.73 terawatt-hours | -11.0% |
| 2000 | 2.63 terawatt-hours | -3.7% |
| 2001 | 1.65 terawatt-hours | -37.2% |
| 2002 | 2.12 terawatt-hours | +28.2% |
| 2003 | 3 terawatt-hours | +41.5% |
| 2004 | 3.14 terawatt-hours | +4.8% |
| 2005 | 4.3 terawatt-hours | +36.9% |
| 2006 | 4.21 terawatt-hours | -2.0% |
| 2007 | 2.83 terawatt-hours | -32.8% |
| 2008 | 2.79 terawatt-hours | -1.3% |
| 2009 | 3.43 terawatt-hours | +22.9% |
| 2010 | 5.03 terawatt-hours | +46.6% |
| 2011 | 2.87 terawatt-hours | -42.9% |
| 2012 | 3.18 terawatt-hours | +10.7% |
| 2013 | 4.04 terawatt-hours | +27.0% |
| 2014 | 4.6 terawatt-hours | +14.0% |
| 2015 | 5.65 terawatt-hours | +22.9% |
| 2016 | 3.88 terawatt-hours | -31.4% |
| 2017 | 2.83 terawatt-hours | -27.1% |
| 2018 | 5.15 terawatt-hours | +82.0% |
| 2019 | 2.93 terawatt-hours | -43.1% |
| 2020 | 2.82 terawatt-hours | -3.7% |
| 2021 | 4.82 terawatt-hours | +70.9% |
| 2022 | 3.8 terawatt-hours | -21.1% |
| 2023 | 3.08 terawatt-hours | -19.0% |
| 2024 | 2.79 terawatt-hours | -9.5% |
| 2025 | 2.78 terawatt-hours | -0.2% |
Bulgaria compared with similar countries
- Bulgaria's 2.78 terawatt-hours is below the median for high income countries, which is 3.45 terawatt-hours, 81% of the median. (47 countries reporting)
- Bulgaria's 2.78 terawatt-hours is below the median for Europe & Central Asia, which is 3.99 terawatt-hours, 70% of the median. (39 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 1.84 terawatt-hours | 1.3 terawatt-hours | 2.02 terawatt-hours | 5 |
| 1970s | 2.62 terawatt-hours | 2.08 terawatt-hours | 3.53 terawatt-hours | 10 |
| 1980s | 2.94 terawatt-hours | 2.24 terawatt-hours | 3.71 terawatt-hours | 10 |
| 1990s | 2.25 terawatt-hours | 1.3 terawatt-hours | 3.07 terawatt-hours | 10 |
| 2000s | 3.01 terawatt-hours | 1.65 terawatt-hours | 4.3 terawatt-hours | 10 |
| 2010s | 4.02 terawatt-hours | 2.83 terawatt-hours | 5.65 terawatt-hours | 10 |
| 2020s | 3.35 terawatt-hours | 2.78 terawatt-hours | 4.82 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 hydropower generation by region in Bulgaria?
- Hydropower generation by region in Bulgaria was 2.78 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 hydropower generation by region recorded in Bulgaria?
- The highest recorded value was 5.65 terawatt-hours in 2015.
- What is the lowest hydropower generation by region recorded in Bulgaria?
- The lowest recorded value was 1.3 terawatt-hours in 1994.
- How does Bulgaria rank for hydropower generation by region?
- Bulgaria ranks 52nd out of 80 countries with data for 2025.
- Is hydropower generation by region rising or falling in Bulgaria?
- Over the last ten years it is down 50.8%. The long-run trend across the full record is rising.
- 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 Hydropower generation by region. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 61 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Figures are based on gross primary hydroelectric generation and do not account for cross-border electricity supply.