Bulgaria vs Iran: Primary energy use by source

Bulgaria

1.28 terawatt-hours

in 2025

Iran

1.17 terawatt-hours

in 2025

Bulgaria rank

46th

Iran rank

48th

Primary energy use by source over time

Bulgaria currently reports 1.28 terawatt-hours against 1.17 terawatt-hours in Iran, a difference of 0.1094 terawatt-hours.

That makes Bulgaria's figure about 1.1 times Iran's.

The two have swapped places 1 time across 61 shared years of data; in 1965 it was Iran ahead.

Bulgaria ranks 46th and Iran ranks 48th of 79 countries.

Indicator: Primary energy use 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: 82 places, 4,686 data points, 1965–2025
Last refreshed: 07 August 2026

Measured in terawatt-hours of total energy supply.