Wind and solar share of electricity generation vs Carbon intensity of electricity generation

In 2024, wind and solar share of electricity generation worldwide was 15%; carbon intensity of electricity generation was 445 gCO2/kWh.

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Global, annual figures, spaced by time from 2024 to 2026 . Different units, drawn on separate scales and clipped to the years both series publish; earlier history stays on each indicator’s own page. Read the values, not the heights.

Wind and solar share of electricity generation

Unit: % · 3 observations

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Forecast: dashed line, hollow markers, shaded band

Wind and solar share of electricity generationWind and solar share of electricity generation. 3 observations from 2024 to 2026, ranging from 15% to 20%, of which 2 are forecasts. Latest value 20% (2026). % 0 5 10 15 20 2024 2025 2026 FORECAST 15% 20%
Wind and solar share of electricity generationWind and solar share of electricity generation. 3 observations from 2024 to 2026, ranging from 15% to 20%, of which 2 are forecasts. Latest value 20% (2026). % 0 5 10 15 20 2024 2025 2026 FORECAST 15% 20%
Wind and solar share of electricity generationWind and solar share of electricity generation. 3 observations from 2024 to 2026, ranging from 15% to 20%, of which 2 are forecasts. Latest value 20% (2026). % 0 5 10 15 20 2024 2025 2026 FORECAST 15% 20%
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Wind and solar share of electricity generation
Period Type Value
2024 Actual 15%
2025 Forecast 17%
2026 Forecast 20%
Source: IEA · CC BY 4.0 · Full series

Carbon intensity of electricity generation

Unit: gCO2/kWh · 2 observations

Line chart

Forecast: dashed line, hollow markers, shaded band

Carbon intensity of electricity generationCarbon intensity of electricity generation. 2 observations from 2024 to 2026, ranging from 415 gCO2/kWh to 445 gCO2/kWh, of which 1 are forecasts. Latest value 415 gCO2/kWh (2026). gCO2/kWh 0 100 200 300 400 500 2024 2025 2026 FORECAST 445 415
Carbon intensity of electricity generationCarbon intensity of electricity generation. 2 observations from 2024 to 2026, ranging from 415 gCO2/kWh to 445 gCO2/kWh, of which 1 are forecasts. Latest value 415 gCO2/kWh (2026). gCO2/kWh 0 100 200 300 400 500 2024 2025 2026 FORECAST 445 415
Carbon intensity of electricity generationCarbon intensity of electricity generation. 2 observations from 2024 to 2026, ranging from 415 gCO2/kWh to 445 gCO2/kWh, of which 1 are forecasts. Latest value 415 gCO2/kWh (2026). gCO2/kWh 0 100 200 300 400 500 2024 2025 2026 FORECAST 445 415
View the underlying data
Carbon intensity of electricity generation
Period Type Value
2024 Actual 445 gCO2/kWh
2026 Forecast 415 gCO2/kWh
Source: IEA · CC BY 4.0 · Full series

Shared periods

Side by side

2 periods are published for both series as annual figures on the same basis. Comparing anything else would mean comparing different periods.

Period Wind and solar share of electricity generation Carbon intensity of electricity generation
2024 15% IEA 445 gCO2/kWh IEA
2026 both forecasts 20% IEA 415 gCO2/kWh IEA

Provenance

Where these numbers come from

Wind and solar share of electricity generation

Percentage of total electricity generation provided collectively by solar photovoltaic and wind power sources.

3 observations charted in Global · source organisations: IEA

Carbon intensity of electricity generation

Emissions intensity of electricity generation, measured as greenhouse gas emissions in carbon dioxide equivalent (gCO2e) per kilowatt-hour of electricity generated.

2 observations charted in Global · source organisations: IEA

Data published under CC BY 4.0. Series A as JSON · Series B as JSON

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