Carbon annual · estimated data
The world's power-sector carbon intensity in 2015
Computed from "Monthly electricity data, Ember" (CC-BY-4.0) · 35 countries · generation-weighted, never averaged
World intensity, 2015
557gCO₂e/kWh
+56 vs 2014
Renewables share
22.6%
18.7% in 2014
Grids under 100g
3
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 2014.
Cleaned up fastest
| Country | gCO₂e/kWh | Δ YoY | Ren % |
|---|---|---|---|
| Ukraine | 399 | -81 | 3.6 |
| United States | 505 | -25 | 13.6 |
| Ireland | 470 | -12 | 28.2 |
| New Zealand | 141 | -4 | 81.2 |
| Canada | 165 | -3 | 66.1 |
| Australia | 791 | -3 | 14.1 |
| Singapore | 483 | 0 | 0 |
| Oman | 601 | -0 | 0 |
Moved the other way
| Country | gCO₂e/kWh | Δ YoY | Ren % |
|---|---|---|---|
| Georgia | 166 | +15 | 77.9 |
| Taiwan | 651 | +5 | 2.8 |
| Oman | 601 | +-0 | 0 |
| Singapore | 483 | +0 | 0 |
| Australia | 791 | +-3 | 14.1 |
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-2015".