Carbon annual · estimated data
The world's power-sector carbon intensity in 2025
Computed from "Monthly electricity data, Ember" (CC-BY-4.0) · 83 countries · generation-weighted, never averaged
World intensity, 2025
473gCO₂e/kWh
-13 vs 2024
Renewables share
34.1%
32.3% in 2024
Grids under 100g
11
countries ≥1 TWh below 100 gCO₂e/kWh
World intensity through the year
The biggest movers
Countries with full-year data and ≥5 TWh of generation, ranked by the change in their power sector's carbon intensity versus 2024.
Cleaned up fastest
| Country | gCO₂e/kWh | Δ YoY | Ren % |
|---|---|---|---|
| Colombia | 122 | -126 | 87.3 |
| North Macedonia | 473 | -113 | 48.7 |
| Costa Rica | 33 | -64 | 98.7 |
| Slovenia | 181 | -56 | 39.6 |
| Nigeria | 478 | -50 | 32.2 |
| Ecuador | 182 | -46 | 75.8 |
| India | 644 | -40 | 27 |
| Australia | 535 | -37 | 43.2 |
Moved the other way
| Country | gCO₂e/kWh | Δ YoY | Ren % |
|---|---|---|---|
| Serbia | 738 | +33 | 29.1 |
| Chile | 273 | +29 | 65.4 |
| Portugal | 122 | +22 | 82.5 |
| Lithuania | 182 | +16 | 69.6 |
| Azerbaijan | 662 | +16 | 13.4 |
Watch this decade play out on the globe. The terminal's carbon story animates every month since 2015 across the whole planet — measured European zones and Ember-estimated world, honestly labeled.
▶ Play the carbon storySource: "Monthly electricity data, Ember" (CC-BY-4.0), ingested continuously into the Voltcast production database. Intensities are generation-weighted: Σ emissions ÷ Σ generation across all tracked countries — a country average would flatter small clean grids and hide the giants. Monthly statistical data, labeled estimated wherever it appears in our products. Cite as "Voltcast Research, voltcast.com/research/global-carbon-2025".