Global Energy Review 2021


Share of low-carbon sources and coal in world electricity generation, 1971-2021



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GlobalEnergyReview2021

Share of low-carbon sources and coal in world electricity generation, 1971-2021 
 
 
IEA. All rights reserved. 
 
0%
10%
20%
30%
40%
50%
1971
1980
1990
2000
2010
2021
Coal
Low-carbon
Solar PV
Wind
Other renewables
Nuclear


Global Energy Review 2021 
Renewables 
Assessing the effects of economic recoveries
on global energy demand and CO2 emissions in 2021 
P
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In 2021, the biofuels market is likely to recover and approach 2019 production 
levels as transportation activity slowly resumes and biofuel blending rates 
increase. Biofuels are consumed mostly in road transportation, blended with 
gasoline and diesel fuels, and thus are less affected by continued depressed 
activity in the aviation sector.


Global Energy Review 2021 
Electricity 
Assessing the effects of economic recoveries
on global energy demand and CO2 emissions in 2021 
P
AGE 
|
25
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Electricity 
Electricity demand 
Electricity demand in 2020
Global electricity demand fell by around 1% in 2020, with demand declining most 
markedly in the first half of the year as lockdowns restricted commercial and 
industrial activity. Demand was, at times, 
20-30% lower than pre-lockdown 
periods
. Compared to the same periods in 2019, after stripping out weather 
variations, China’s demand dropped by more than 10% in February. The United 
States, after China the second-largest global electricity consumer, experienced a 
decline of almost the same magnitude in May during the peak of stay-at-home 
orders. 
From March to April, weekly demand in Germany, France and the United Kingdom 
dropped more than 15% and, in Spain and Italy, by even more than 25%. Similarly, 
India saw demand decline more than 20% in several weeks between mid-March 
and the end of April. In Japan and Korea – where Covid-19 cases were fewer than 
in Europe and the United States – demand declined by around 8% in May. 
Advanced economies recovered in the second half of 2020 but remained for the 
most part below 2019 levels. Some emerging markets and developing regions 
registered strong growth rates towards the end of the year, especially China and 
India, who recorded more than 8% and 6% year-on-year growth, respectively, in 
the last quarter of 2020. 

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