Annual change in primary energy from low-carbon energy in Bulgaria
Bulgaria: Annual change in primary energy from low-carbon energy was 0.1847 terawatt-hours in 2025. ◆ Volatile
Annual change in primary energy from low-carbon energy in Bulgaria, 1966–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
The most recent figure for annual change in primary energy from low-carbon energy in Bulgaria is 0.1847 terawatt-hours, measured in 2025.
Compared with earlier readings it is up 196.9% on the previous year and down 58.9% over ten years.
Over the whole period, annual change in primary energy from low-carbon energy in Bulgaria peaked at 10.95 terawatt-hours in 1988 and was at its lowest, -16.05 terawatt-hours, in 2007.
Bulgaria ranks 46th of 77 countries on this measure, 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
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | -0.0402 terawatt-hours | -0.717 terawatt-hours | 0.534 terawatt-hours | 4 |
| 1970s | 2.02 terawatt-hours | -0.5412 terawatt-hours | 7.88 terawatt-hours | 10 |
| 1980s | 2.48 terawatt-hours | -4.34 terawatt-hours | 10.95 terawatt-hours | 10 |
| 1990s | 0.3823 terawatt-hours | -5.31 terawatt-hours | 7.22 terawatt-hours | 10 |
| 2000s | -0.0667 terawatt-hours | -16.05 terawatt-hours | 7.06 terawatt-hours | 10 |
| 2010s | 1.34 terawatt-hours | -2.84 terawatt-hours | 7.37 terawatt-hours | 10 |
| 2020s | 0.2428 terawatt-hours | -1.38 terawatt-hours | 4.22 terawatt-hours | 6 |
Countries ranked near Bulgaria
More climate change data for Bulgaria
- Share co2 vs population 0.0347 (2100)
- Population growth -0.1% (2025)
- Population, total 6.43 million (2025)
- Urban population growth 0.2% (2025)
- Urban population 4.77 million (2025)
- Urban population 74.2% (2025)
- Co2 emissions vs gdp 4.68 (2024)
- Cumulative co emissions 3.98 billion (2024)
- Co emissions per capita 4.68 (2024)
- Co2 per capita vs renewable electricity 4.68 (2024)
Frequently asked questions
- What is annual change in primary energy from low-carbon energy in Bulgaria?
- Annual change in primary energy from low-carbon energy in Bulgaria was 0.1847 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 low-carbon energy recorded in Bulgaria?
- The highest recorded value was 10.95 terawatt-hours in 1988.
- What is the lowest annual change in primary energy from low-carbon energy recorded in Bulgaria?
- The lowest recorded value was -16.05 terawatt-hours in 2007.
- How does Bulgaria rank for annual change in primary energy from low-carbon energy?
- Bulgaria ranks 46th out of 77 countries with data for 2025.
- Is annual change in primary energy from low-carbon energy rising or falling in Bulgaria?
- Over the last ten years it is down 58.9%. 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 low-carbon energy. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 60 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.