Annual percentage change in primary energy from solar and wind in Bulgaria
Bulgaria: Annual percentage change in primary energy from solar and wind was 18.1% in 2025. ◆ Volatile
Annual percentage change in primary energy from solar and wind in Bulgaria, 2005–2025
Source: Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in %.
Analysis
In 2025, annual percentage change in primary energy from solar and wind in Bulgaria stood at 18.1%.
Compared with earlier readings it is down 47.5% on the previous year and up 90.5% over ten years.
Over the whole period, annual percentage change in primary energy from solar and wind in Bulgaria peaked at 358.7% in 2005 and was at its lowest, -8.5%, in 2018.
That places Bulgaria 32nd out of 79 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.
Annual percentage change in primary energy from solar and wind in Bulgaria, year by year
| Year | % | Change |
|---|---|---|
| 2005 | 358.7% | — |
| 2006 | 337.0% | -6.0% |
| 2007 | 133.8% | -60.3% |
| 2008 | 160.2% | +19.8% |
| 2009 | 97.1% | -39.4% |
| 2010 | 189.8% | +95.5% |
| 2011 | 38.2% | -79.9% |
| 2012 | 107.9% | +182.6% |
| 2013 | 38.3% | -64.5% |
| 2014 | -6.4% | -116.8% |
| 2015 | 9.5% | -247.5% |
| 2016 | -0.7% | -107.5% |
| 2017 | 3.3% | -568.8% |
| 2018 | -8.5% | -353.2% |
| 2019 | 2.8% | -132.6% |
| 2020 | 7.7% | +180.7% |
| 2021 | -1.6% | -120.0% |
| 2022 | 23.9% | -1640.1% |
| 2023 | 42.1% | +76.1% |
| 2024 | 34.5% | -18.0% |
| 2025 | 18.1% | -47.5% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 217.3% | 97.1% | 358.7% | 5 |
| 2010s | 37.4% | -8.5% | 189.8% | 10 |
| 2020s | 20.8% | -1.6% | 42.1% | 6 |
Countries ranked near Bulgaria
More energy & mining data for Bulgaria
- Fuel imports 12.3% (2024)
- Ores and metals imports 9.8% (2024)
- Ores and metals exports 15.6% (2024)
- Gas production 0.0968 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 14.32 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 0.0968 terawatt-hours (2024)
- Gas production per person 14.32 kilowatt-hours per person (2024)
- Fossil fuel production by fuel, per capita 0 terawatt-hours per person (2024)
- Fossil fuel production by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Gas production, per capita 0 terawatt-hours per person (2024)
Frequently asked questions
- What is annual percentage change in primary energy from solar and wind in Bulgaria?
- Annual percentage change in primary energy from solar and wind in Bulgaria was 18.1% in 2025, according to Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data.
- What is the highest annual percentage change in primary energy from solar and wind recorded in Bulgaria?
- The highest recorded value was 358.7% in 2005.
- What is the lowest annual percentage change in primary energy from solar and wind recorded in Bulgaria?
- The lowest recorded value was -8.5% in 2018.
- How does Bulgaria rank for annual percentage change in primary energy from solar and wind?
- Bulgaria ranks 32nd out of 79 countries with data for 2025.
- Is annual percentage change in primary energy from solar and wind rising or falling in Bulgaria?
- Over the last ten years it is up 90.5%. 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) – with major processing by Our World in Data, published as part of Annual percentage change in primary energy from solar and wind. Statizoid updates them automatically from the source API.
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CSV · JSON — 21 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Percentage change in total energy supply relative to the previous year.