Primary energy from low-carbon energy in Bulgaria

Bulgaria: Primary energy from low-carbon energy was 64.86 terawatt-hours in 2025. ◆ Volatile

Latest (2025)
64.86 terawatt-hours
Change on year
up 0.3%
World rank
43rd
of 80 countries
All-time high
67.49 terawatt-hours
in 2021
All-time low
1.3 terawatt-hours
in 1968
Years of data
61
1965–2025

Primary energy from low-carbon energy in Bulgaria, 1965–2025

0204060196519952025

Source: Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.

Analysis

Bulgaria recorded 64.86 terawatt-hours for primary energy from low-carbon energy in 2025.

That represents a change of up 0.3% on the previous year and up 12.6% over ten years.

Over the whole period, primary energy from low-carbon energy in Bulgaria peaked at 67.49 terawatt-hours in 2021 and was at its lowest, 1.3 terawatt-hours, in 1968.

That places Bulgaria 43rd 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.

Primary energy from low-carbon energy in Bulgaria, year by year

Annual values for Primary energy from low-carbon energy in Bulgaria, 1965 to 2025.
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 4.89 terawatt-hours +90.4%
1975 10.19 terawatt-hours +108.3%
1976 18.07 terawatt-hours +77.3%
1977 21.36 terawatt-hours +18.2%
1978 20.82 terawatt-hours -2.5%
1979 22.04 terawatt-hours +5.9%
1980 22.39 terawatt-hours +1.6%
1981 31.25 terawatt-hours +39.5%
1982 35.61 terawatt-hours +14.0%
1983 40.68 terawatt-hours +14.2%
1984 41.85 terawatt-hours +2.9%
1985 42.03 terawatt-hours +0.4%
1986 38.9 terawatt-hours -7.4%
1987 40.22 terawatt-hours +3.4%
1988 51.17 terawatt-hours +27.2%
1989 46.83 terawatt-hours -8.5%
1990 46.07 terawatt-hours -1.6%
1991 42.22 terawatt-hours -8.4%
1992 36.91 terawatt-hours -12.6%
1993 44.13 terawatt-hours +19.6%
1994 47.77 terawatt-hours +8.2%
1995 54.48 terawatt-hours +14.1%
1996 57.68 terawatt-hours +5.9%
1997 56.51 terawatt-hours -2.0%
1998 54.28 terawatt-hours -4.0%
1999 50.65 terawatt-hours -6.7%
2000 57.72 terawatt-hours +13.9%
2001 60.9 terawatt-hours +5.5%
2002 63.39 terawatt-hours +4.1%
2003 55.36 terawatt-hours -12.7%
2004 54.09 terawatt-hours -2.3%
2005 60.83 terawatt-hours +12.4%
2006 63.3 terawatt-hours +4.1%
2007 47.25 terawatt-hours -25.4%
2008 50.76 terawatt-hours +7.4%
2009 49.99 terawatt-hours -1.5%
2010 52.23 terawatt-hours +4.5%
2011 53.63 terawatt-hours +2.7%
2012 54.19 terawatt-hours +1.0%
2013 51.35 terawatt-hours -5.2%
2014 57.14 terawatt-hours +11.3%
2015 57.59 terawatt-hours +0.8%
2016 57.43 terawatt-hours -0.3%
2017 55.94 terawatt-hours -2.6%
2018 63.31 terawatt-hours +13.2%
2019 63.4 terawatt-hours +0.1%
2020 63.27 terawatt-hours -0.2%
2021 67.49 terawatt-hours +6.7%
2022 66.24 terawatt-hours -1.9%
2023 64.86 terawatt-hours -2.1%
2024 64.67 terawatt-hours -0.3%
2025 64.86 terawatt-hours +0.3%

Bulgaria compared with similar countries

  • Bulgaria's 64.86 terawatt-hours is below the median for high income countries, which is 70.73 terawatt-hours, 92% of the median. (47 countries reporting)
  • Bulgaria's 64.86 terawatt-hours is below the median for Europe & Central Asia, which is 68.4 terawatt-hours, 95% of the median. (39 countries reporting)

Biggest year-on-year movements

Years where Primary energy from low-carbon energy 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.

YearChange FromTo
1975 +108.3% 4.89 terawatt-hours 10.19 terawatt-hours
1974 +90.4% 2.57 terawatt-hours 4.89 terawatt-hours
1976 +77.3% 10.19 terawatt-hours 18.07 terawatt-hours

Averages by decade

DecadeAverage LowestHighest Years
1960s 1.84 terawatt-hours 1.3 terawatt-hours 2.02 terawatt-hours 5
1970s 10.64 terawatt-hours 2.1 terawatt-hours 22.04 terawatt-hours 10
1980s 39.09 terawatt-hours 22.39 terawatt-hours 51.17 terawatt-hours 10
1990s 49.07 terawatt-hours 36.91 terawatt-hours 57.68 terawatt-hours 10
2000s 56.36 terawatt-hours 47.25 terawatt-hours 63.39 terawatt-hours 10
2010s 56.62 terawatt-hours 51.35 terawatt-hours 63.4 terawatt-hours 10
2020s 65.23 terawatt-hours 63.27 terawatt-hours 67.49 terawatt-hours 6

Countries ranked near Bulgaria

  1. 40 Iceland 69.81 terawatt-hours compare
  2. 41 Slovakia 68.4 terawatt-hours compare
  3. 42 South Africa 66.15 terawatt-hours compare
  4. 44 Malaysia 63.81 terawatt-hours compare
  5. 45 Romania 62.95 terawatt-hours compare
  6. 46 Belarus 54.12 terawatt-hours compare

See the full ranking of 82 places →

More climate change data for Bulgaria

All data for Bulgaria →

Frequently asked questions

What is primary energy from low-carbon energy in Bulgaria?
Primary energy from low-carbon energy in Bulgaria was 64.86 terawatt-hours in 2025, according to Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data.
What is the highest primary energy from low-carbon energy recorded in Bulgaria?
The highest recorded value was 67.49 terawatt-hours in 2021.
What is the lowest primary energy from low-carbon energy recorded in Bulgaria?
The lowest recorded value was 1.3 terawatt-hours in 1968.
How does Bulgaria rank for primary energy from low-carbon energy?
Bulgaria ranks 43rd out of 80 countries with data for 2025.
Is primary energy from low-carbon energy rising or falling in Bulgaria?
Over the last ten years it is up 12.6%. 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); Smil (2017) – with major processing by Our World in Data, published as part of Primary energy from low-carbon energy. Statizoid updates them automatically from the source API.

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Primary energy from low-carbon energy in Bulgaria. Statizoid, drawing on Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Retrieved 23 September 2026, from https://climate.statizoid.com/stat/low-carbon-energy-consumption/bulgaria/

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<a href="https://climate.statizoid.com/stat/low-carbon-energy-consumption/bulgaria/">Primary energy from low-carbon energy in Bulgaria</a> — Statizoid

About this data

Indicator
Primary energy from low-carbon energy
Unit
terawatt-hours
Source
Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
82 places, 4,686 data points, 1965–2025
Last refreshed

Measured in terawatt-hours of total energy supply.