Fossil fuel supply by source in Bulgaria

Bulgaria: Fossil fuel supply by source was 26.89 terawatt-hours in 2025. β—† Volatile

Latest (2025)
26.89 terawatt-hours
Change on year
down 0.9%
World rank
64th
of 76 countries
All-time high
63.02 terawatt-hours
in 1990
All-time low
0.5627 terawatt-hours
in 1965
Years of data
61
1965–2025

Fossil fuel supply by source 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 26.89 terawatt-hours for fossil fuel supply by source in 2025.

The figure is down 0.9% on the previous year and down 10.4% over ten years.

Over the whole period, fossil fuel supply by source in Bulgaria peaked at 63.02 terawatt-hours in 1990 and was at its lowest, 0.5627 terawatt-hours, in 1965.

Bulgaria ranks 64th of 76 countries on this measure, in the bottom quarter.

The series is highly variable year to year, so single readings are best treated with caution.

Averages by decade

DecadeAverage LowestHighest Years
1960s 2.39 terawatt-hours 0.5627 terawatt-hours 4.07 terawatt-hours 5
1970s 12.66 terawatt-hours 1.94 terawatt-hours 28.78 terawatt-hours 10
1980s 50.13 terawatt-hours 36.99 terawatt-hours 59.42 terawatt-hours 10
1990s 46.86 terawatt-hours 31.28 terawatt-hours 63.02 terawatt-hours 10
2000s 29.96 terawatt-hours 24.26 terawatt-hours 34.07 terawatt-hours 10
2010s 29.27 terawatt-hours 26.72 terawatt-hours 32.14 terawatt-hours 10
2020s 28.09 terawatt-hours 25.26 terawatt-hours 33.02 terawatt-hours 6

Countries ranked near Bulgaria

  1. 61 Norway 34.01 terawatt-hours compare
  2. 62 Switzerland 30.72 terawatt-hours compare
  3. 63 New Zealand 27.45 terawatt-hours compare
  4. 65 Croatia 26.32 terawatt-hours compare
  5. 66 Lithuania 16.68 terawatt-hours compare
  6. 67 Denmark 15.91 terawatt-hours compare

See the full ranking of 79 places β†’

More energy & mining data for Bulgaria

All data for Bulgaria β†’

Frequently asked questions

What is fossil fuel supply by source in Bulgaria?
Fossil fuel supply by source in Bulgaria was 26.89 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 fossil fuel supply by source recorded in Bulgaria?
The highest recorded value was 63.02 terawatt-hours in 1990.
What is the lowest fossil fuel supply by source recorded in Bulgaria?
The lowest recorded value was 0.5627 terawatt-hours in 1965.
How does Bulgaria rank for fossil fuel supply by source?
Bulgaria ranks 64th out of 76 countries with data for 2025.
Is fossil fuel supply by source rising or falling in Bulgaria?
Over the last ten years it is down 10.4%. 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 Fossil fuel supply by source. Statizoid updates them automatically from the source API.

Download this data

CSV Β· JSON β€” 61 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Fossil fuel supply by source
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
79 places, 4,176 data points, 1965–2025
Last refreshed

Measured in terawatt-hours of total energy supply.