Bulgaria vs Ireland: Annual change in primary energy from renewables
Bulgaria
1.53 terawatt-hours
in 2025
Ireland
1.75 terawatt-hours
in 2025
Bulgaria rank
39th
Ireland rank
36th
Annual change in primary energy from renewables over time
- Bulgaria
- Ireland
How they compare
Ireland currently reports 1.75 terawatt-hours against 1.53 terawatt-hours in Bulgaria, a difference of 0.22 terawatt-hours.
That makes Ireland's figure about 1.1 times Bulgaria's.
The two have swapped places 33 times across 60 shared years of data; in 1966 it was Bulgaria ahead.
Bulgaria ranks 39th and Ireland ranks 36th of 80 countries.
Across the 7 decades both report, Bulgaria averaged higher in 2 and Ireland in 5.
Head to head by decade
| Decade | Bulgaria | Ireland | Difference | Ahead |
|---|---|---|---|---|
| 1960s | -0.0402 terawatt-hours | -0.0901 terawatt-hours | 0.0499 terawatt-hours | Bulgaria |
| 1970s | 0.1472 terawatt-hours | 0.0244 terawatt-hours | 0.1228 terawatt-hours | Bulgaria |
| 1980s | -0.062 terawatt-hours | -0.0128 terawatt-hours | 0.0492 terawatt-hours | Ireland |
| 1990s | 0.0041 terawatt-hours | 0.0611 terawatt-hours | 0.057 terawatt-hours | Ireland |
| 2000s | 0.1024 terawatt-hours | 0.427 terawatt-hours | 0.3246 terawatt-hours | Ireland |
| 2010s | 0.9475 terawatt-hours | 1.03 terawatt-hours | 0.0819 terawatt-hours | Ireland |
| 2020s | 0.8595 terawatt-hours | 1.05 terawatt-hours | 0.1899 terawatt-hours | Ireland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from renewables, Bulgaria or Ireland?
- Ireland, at 1.75 terawatt-hours against 1.53 terawatt-hours in Bulgaria as of 2025.
- What is the difference in annual change in primary energy from renewables between Bulgaria and Ireland?
- 0.22 terawatt-hours, with Ireland ahead.
- How many years of comparable data are there for Bulgaria and Ireland?
- 60 years are reported by both, from 1966 to 2025.
- How do Bulgaria and Ireland rank globally for annual change in primary energy from renewables?
- Bulgaria ranks 39th and Ireland ranks 36th of 80 countries.
- Where does this data come from?
- Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as Annual change in primary energy from renewables. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.