Bulgaria vs Ireland: Lifecycle carbon intensity of electricity
Bulgaria
275.55 grams of CO₂ equivalents per kilowatt-hour
in 2025
Ireland
256.54 grams of CO₂ equivalents per kilowatt-hour
in 2025
Bulgaria rank
147th
Ireland rank
149th
Lifecycle carbon intensity of electricity over time
- Bulgaria
- Ireland
How they compare
Bulgaria currently reports 275.55 grams of CO₂ equivalents per kilowatt-hour against 256.54 grams of CO₂ equivalents per kilowatt-hour in Ireland, a difference of 19.01 grams of CO₂ equivalents per kilowatt-hour.
That makes Bulgaria's figure about 1.1 times Ireland's.
The two have swapped places 1 time across 36 shared years of data; in 1990 it was Ireland ahead.
Bulgaria ranks 147th and Ireland ranks 149th of 213 countries.
Across the 4 decades both report, Bulgaria averaged higher in 2 and Ireland in 2.
Head to head by decade
| Decade | Bulgaria | Ireland | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 509.98 grams of CO₂ equivalents per kilowatt-hour | 680.85 grams of CO₂ equivalents per kilowatt-hour | 170.87 grams of CO₂ equivalents per kilowatt-hour | Ireland |
| 2000s | 491.75 grams of CO₂ equivalents per kilowatt-hour | 576.83 grams of CO₂ equivalents per kilowatt-hour | 85.08 grams of CO₂ equivalents per kilowatt-hour | Ireland |
| 2010s | 494.94 grams of CO₂ equivalents per kilowatt-hour | 428.71 grams of CO₂ equivalents per kilowatt-hour | 66.24 grams of CO₂ equivalents per kilowatt-hour | Bulgaria |
| 2020s | 361.38 grams of CO₂ equivalents per kilowatt-hour | 297.28 grams of CO₂ equivalents per kilowatt-hour | 64.09 grams of CO₂ equivalents per kilowatt-hour | Bulgaria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher lifecycle carbon intensity of electricity, Bulgaria or Ireland?
- Bulgaria, at 275.55 grams of CO₂ equivalents per kilowatt-hour against 256.54 grams of CO₂ equivalents per kilowatt-hour in Ireland as of 2025.
- What is the difference in lifecycle carbon intensity of electricity between Bulgaria and Ireland?
- 19.01 grams of CO₂ equivalents per kilowatt-hour, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Ireland?
- 36 years are reported by both, from 1990 to 2025.
- How do Bulgaria and Ireland rank globally for lifecycle carbon intensity of electricity?
- Bulgaria ranks 147th and Ireland ranks 149th of 213 countries.
- Where does this data come from?
- Ember (2026) – with major processing by Our World in Data, published as Lifecycle carbon intensity of electricity. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Greenhouse gases emitted per unit of generated electricity, measured in grams of CO₂ equivalents per kilowatt-hour.