What the Data Shows
Electricity emissions intensity is ranked across nations using 2024 Our World in Data and Ember values in grams CO₂e per kilowatt-hour. The chart uses ten power-system rows above a 1 TWh generation floor, with raw intensity as the plotted value and electricity generation used only as scope context. Turkmenistan ranked first at 1,306 gCO₂e per kilowatt-hour. Uzbekistan ranked second at 1,040 gCO₂e per kilowatt-hour, and the leader was 1.82 times South Africa’s tenth-ranked intensity.
Data table
Unit: gCO₂e/kWh · Period: 2024
| Rank | Entry | Value | Period |
|---|
| 1 | Turkmenistan | 1,306 gCO₂e/kWh | 2024 |
| 2 | Uzbekistan | 1,040 gCO₂e/kWh | 2024 |
| 3 | Kosovo | 925 gCO₂e/kWh | 2024 |
| 4 | Bahrain | 902 gCO₂e/kWh | 2024 |
| 5 | Brunei | 892 gCO₂e/kWh | 2024 |
| 6 | Botswana | 851 gCO₂e/kWh | 2024 |
| 7 | Libya | 827 gCO₂e/kWh | 2024 |
| 8 | Mongolia | 811 gCO₂e/kWh | 2024 |
| 9 | Kazakhstan | 802 gCO₂e/kWh | 2024 |
| 10 | South Africa | 717 gCO₂e/kWh | 2024 |
Sources
Source 1: Our World in Data
Publisher: Our World in Data
Dataset/table: Grapher dataset: carbon-intensity-electricity
Date checked: 2026-05-23
Evidence: Supports the carbon-intensity metric, unit, update date and Ember source lineage.
Source 2: Our World in Data
Publisher: Our World in Data
Dataset/table: Data on Energy by Our World in Data
Date checked: 2026-05-23
Evidence: Supports the nation rows, 2024 values and electricity-generation floor used for ranking.
Data notes & caveats
The ranking uses 2024 electricity systems with at least 1 TWh of electricity generation. Carbon intensity is the primary plotted metric; total electricity generation is retained only as scope context.
Methodology
Rows are sorted by 2024 carbon_intensity_elec from the OWID energy dataset. Entities with aggregate-region names were excluded, and systems below 1 TWh of 2024 electricity generation were excluded before ranking.
Source consistency notes
All rows use the same OWID energy dataset, same 2024 period and same grams CO₂e per kilowatt-hour unit. The metric is source-attributed because the lifecycle intensity series is processed from Ember and OWID source data.
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