Share of primary energy from solar in Bulgaria

Bulgaria: Share of primary energy from solar was 3.5% in 2025. ◆ Volatile

Latest (2025)
3.5%
Change on year
up 21.9%
World rank
11th
of 80 countries
All-time high
3.5%
in 2025
All-time low
0.0%
in 1965
Years of data
61
1965–2025

Share of primary energy from solar in Bulgaria, 1965–2025

01234196519952025

Source: Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in %.

Analysis

The most recent figure for share of primary energy from solar in Bulgaria is 3.5%, measured in 2025. That is the highest value across all 61 years on record.

That represents a change of up 21.9% on the previous year and up 454.8% over ten years.

Over the whole period, share of primary energy from solar in Bulgaria peaked at 3.5% in 2025 and was at its lowest, 0.0%, in 1965.

That places Bulgaria 11th out of 80 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.

Share of primary energy from solar in Bulgaria, year by year

Annual values for Share of primary energy from solar in Bulgaria, 1965 to 2025.
Year % Change
1965 0.0%
1966 0.0%
1967 0.0%
1968 0.0%
1969 0.0%
1970 0.0%
1971 0.0%
1972 0.0%
1973 0.0%
1974 0.0%
1975 0.0%
1976 0.0%
1977 0.0%
1978 0.0%
1979 0.0%
1980 0.0%
1981 0.0%
1982 0.0%
1983 0.0%
1984 0.0%
1985 0.0%
1986 0.0%
1987 0.0%
1988 0.0%
1989 0.0%
1990 0.0%
1991 0.0%
1992 0.0%
1993 0.0%
1994 0.0%
1995 0.0%
1996 0.0%
1997 0.0%
1998 0.0%
1999 0.0%
2000 0.0%
2001 0.0%
2002 0.0%
2003 0.0%
2004 0.0%
2005 0.0%
2006 0.0%
2007 0.0%
2008 0.0% +180.5%
2009 0.0% +2142.0%
2010 0.0% +341.8%
2011 0.0% +526.4%
2012 0.4% +721.2%
2013 0.7% +95.9%
2014 0.6% -15.8%
2015 0.6% +4.3%
2016 0.7% +4.3%
2017 0.6% -2.1%
2018 0.6% -3.2%
2019 0.7% +7.2%
2020 0.8% +12.2%
2021 0.7% -10.9%
2022 0.9% +37.5%
2023 1.8% +97.3%
2024 2.9% +58.3%
2025 3.5% +21.9%

Bulgaria compared with similar countries

  • Bulgaria's 3.5% is above the median for high income countries, which is 1.5%, 2.4× the median. (47 countries reporting)
  • Bulgaria's 3.5% is above the median for Europe & Central Asia, which is 1.7%, 2.1× the median. (39 countries reporting)

Biggest year-on-year movements

Years where Share of primary energy from solar 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
2009 +2142.0% 0.0% 0.0%
2012 +721.2% 0.0% 0.4%
2011 +526.4% 0.0% 0.0%

Averages by decade

DecadeAverage LowestHighest Years
1960s 0.0% 0.0% 0.0% 5
1970s 0.0% 0.0% 0.0% 10
1980s 0.0% 0.0% 0.0% 10
1990s 0.0% 0.0% 0.0% 10
2000s 0.0% 0.0% 0.0% 10
2010s 0.5% 0.0% 0.7% 10
2020s 1.8% 0.7% 3.5% 6

Countries ranked near Bulgaria

  1. 8 Portugal 4.0% compare
  2. 9 Australia 3.8% compare
  3. 10 Greece 3.7% compare
  4. 12 Austria 3.4% compare
  5. 13 Switzerland 3.3% compare
  6. 14 Germany 3.3% compare

See the full ranking of 82 places →

More energy & mining data for Bulgaria

All data for Bulgaria →

Frequently asked questions

What is share of primary energy from solar in Bulgaria?
Share of primary energy from solar in Bulgaria was 3.5% in 2025, according to Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
What is the highest share of primary energy from solar recorded in Bulgaria?
The highest recorded value was 3.5% in 2025.
What is the lowest share of primary energy from solar recorded in Bulgaria?
The lowest recorded value was 0.0% in 1965.
How does Bulgaria rank for share of primary energy from solar?
Bulgaria ranks 11th out of 80 countries with data for 2025.
Is share of primary energy from solar rising or falling in Bulgaria?
Over the last ten years it is up 454.8%. 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); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Share of primary energy from solar. Statizoid updates them automatically from the source API.

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Share of primary energy from solar in Bulgaria. Statizoid, drawing on Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Retrieved 24 September 2026, from https://energy.statizoid.com/stat/solar-share-energy/bulgaria/

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<a href="https://energy.statizoid.com/stat/solar-share-energy/bulgaria/">Share of primary energy from solar in Bulgaria</a> — Statizoid

About this data

Indicator
Share of primary energy from solar
Unit
%
Source
Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
82 places, 4,680 data points, 1965–2025
Last refreshed

Measured as a percentage of total energy supply.