Annual change in primary energy from solar in Bulgaria

Bulgaria: Annual change in primary energy from solar was 1.34 terawatt-hours in 2025. β—† Volatile

Latest (2025)
1.34 terawatt-hours
Change on year
down 32.0%
World rank
29th
of 77 countries
All-time high
1.97 terawatt-hours
in 2024
All-time low
-0.1353 terawatt-hours
in 2014
Years of data
60
1966–2025

Annual change in primary energy from solar in Bulgaria, 1966–2025

00.511.52196619952025

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 1.34 terawatt-hours for annual change in primary energy from solar in 2025.

That represents a change of down 32.0% on the previous year and up 971.1% over ten years.

Over the whole period, annual change in primary energy from solar in Bulgaria peaked at 1.97 terawatt-hours in 2024 and was at its lowest, -0.1353 terawatt-hours, in 2014.

That places Bulgaria 29th out of 77 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.

Averages by decade

DecadeAverage LowestHighest Years
1960s 0 terawatt-hours 0 terawatt-hours 0 terawatt-hours 4
1970s 0 terawatt-hours 0 terawatt-hours 0 terawatt-hours 10
1980s 0 terawatt-hours 0 terawatt-hours 0 terawatt-hours 10
1990s 0 terawatt-hours 0 terawatt-hours 0 terawatt-hours 10
2000s 0.0003 terawatt-hours 0 terawatt-hours 0.0031 terawatt-hours 10
2010s 0.1414 terawatt-hours -0.1353 terawatt-hours 0.6778 terawatt-hours 10
2020s 0.9018 terawatt-hours -0.0021 terawatt-hours 1.97 terawatt-hours 6

Countries ranked near Bulgaria

  1. 26 Portugal 1.64 terawatt-hours compare
  2. 27 Hungary 1.54 terawatt-hours compare
  3. 28 Qatar 1.48 terawatt-hours compare
  4. 30 Iran 1.23 terawatt-hours compare
  5. 31 South Africa 1.18 terawatt-hours compare
  6. 32 Argentina 1.18 terawatt-hours compare

See the full ranking of 82 places β†’

More energy & mining data for Bulgaria

All data for Bulgaria β†’

Frequently asked questions

What is annual change in primary energy from solar in Bulgaria?
Annual change in primary energy from solar in Bulgaria was 1.34 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 annual change in primary energy from solar recorded in Bulgaria?
The highest recorded value was 1.97 terawatt-hours in 2024.
What is the lowest annual change in primary energy from solar recorded in Bulgaria?
The lowest recorded value was -0.1353 terawatt-hours in 2014.
How does Bulgaria rank for annual change in primary energy from solar?
Bulgaria ranks 29th out of 77 countries with data for 2025.
Is annual change in primary energy from solar rising or falling in Bulgaria?
Over the last ten years it is up 971.1%. 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 Annual change in primary energy from solar. Statizoid updates them automatically from the source API.

Download this data

CSV Β· JSON β€” 60 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Annual change in primary energy from solar
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, 4,604 data points, 1966–2025
Last refreshed

Change in total energy supply relative to the previous year, measured in terawatt-hours.