Reunion vs United States: Lifecycle carbon intensity of electricity
Reunion
394.14 grams of CO₂ equivalents per kilowatt-hour
in 2023
United States
384.4 grams of CO₂ equivalents per kilowatt-hour
in 2025
Reunion rank
123rd
United States rank
125th
Lifecycle carbon intensity of electricity over time
- Reunion
- United States
How they compare
Reunion currently reports 394.14 grams of CO₂ equivalents per kilowatt-hour against 384.4 grams of CO₂ equivalents per kilowatt-hour in United States, a difference of 9.74 grams of CO₂ equivalents per kilowatt-hour.
The two have swapped places 1 time across 24 shared years of data; in 2000 it was United States ahead.
Reunion ranks 123rd and United States ranks 125th of 213 countries.
Across the 3 decades both report, Reunion averaged higher in 2 and United States in 1.
Head to head by decade
| Decade | Reunion | United States | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 536.63 grams of CO₂ equivalents per kilowatt-hour | 598.15 grams of CO₂ equivalents per kilowatt-hour | 61.53 grams of CO₂ equivalents per kilowatt-hour | United States |
| 2010s | 569.4 grams of CO₂ equivalents per kilowatt-hour | 507.62 grams of CO₂ equivalents per kilowatt-hour | 61.78 grams of CO₂ equivalents per kilowatt-hour | Reunion |
| 2020s | 523.61 grams of CO₂ equivalents per kilowatt-hour | 409.7 grams of CO₂ equivalents per kilowatt-hour | 113.91 grams of CO₂ equivalents per kilowatt-hour | Reunion |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher lifecycle carbon intensity of electricity, Reunion or United States?
- Reunion, at 394.14 grams of CO₂ equivalents per kilowatt-hour against 384.4 grams of CO₂ equivalents per kilowatt-hour in United States as of 2023.
- What is the difference in lifecycle carbon intensity of electricity between Reunion and United States?
- 9.74 grams of CO₂ equivalents per kilowatt-hour, with Reunion ahead.
- How many years of comparable data are there for Reunion and United States?
- 24 years are reported by both, from 2000 to 2023.
- How do Reunion and United States rank globally for lifecycle carbon intensity of electricity?
- Reunion ranks 123rd and United States ranks 125th 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.