Countries With the Cleanest Electricity Grids 2023

Source:  Ember - Yearly Electricity Data

Countries With the Cleanest Electricity Grids 2023

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Key Findings

🏆
Venezuela leads in Electricity CO2 Intensity (gCO2 per kWh) with 91.90 in 2023.
📊
Average Electricity CO2 Intensity (gCO2 per kWh) in 2023: 44.46  ·  median: 30.50.
↔️
Gap in 2023: Venezuela is 3.9× larger than Nepal.

About This Dataset

Countries With the Cleanest Electricity Grids 2023
Carbon intensity of electricity generation in 2023, in grams of CO2 per kilowatt-hour, ranked from lowest. A lower number means each unit of electricity carries less emissions. Covers countries that generated at least 10 TWh of electricity in the year, so very small island grids do not dominate the ranking.
Analysis

Nepal had the cleanest electricity in the world in 2023 at 23.4 gCO2/kWh, with Ethiopia, Bhutan, Paraguay and Costa Rica all under 25 grams. France sits eleventh at 53.3 g - notably higher than its 2024 figure of 40.5 g, reflecting how much its nuclear output recovered between those two years. New Zealand at 87.2 g and Venezuela at 91.9 g complete the list, the only two entries above 85 grams. The whole top ten fits within 15 grams of each other, so ranking positions inside that group shift easily from year to year.

Data Insights

Numbers, trends & sources behind this chart

Admin
⬡
Data Points
15
15 categories  ·  1 year
↑
Top Value
91.90
Venezuela
Electricity CO2 Intensity (gCO2 per kWh) · 2023
◈
Metrics
1
Electricity CO2 Intensity (gCO2 per kWh)
◷
Period
2023
Single year snapshot

Methodology & source

Data source
Ember - Yearly Electricity Data
Coverage
15 entities · 2023 · 15 observations
Measure
Electricity CO2 Intensity (gCO2 per kWh)
Last updated
15 August 2026
Compiled by
The ANYSTAT team, from the source above
How the figures are calculated
  • Values use the measure and unit named on this page. Consult the dataset description and cited source for coverage, definitions and any unit conversions. Displayed values may be rounded for readability.
  • Entities are ranked highest-first on their value in 2023.

Rankings & Full Data

15 records · Electricity CO2 Intensity (gCO2 per kWh) · ranked by 2023

✓ 15 sourced
# Category 2023 Source
🥇 Venezuela 91.90
🥈 New Zealand 87.20
🥉 Finland 81.30
4 Tajikistan 74.40
5 France 53.30
6 Sweden 38.40
7 Switzerland 34.80
8 Norway 30.50
9 Iceland 27.80
10 DR Congo 26.90
11 Costa Rica 24.70
12 Paraguay 24.50
13 Bhutan 24.20
14 Ethiopia 23.60
15 Nepal 23.40

Data Sources & References

All external sources cited in this dataset

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