Solar and wind power: over 10% of world electricity in 2021

Solar and wind together produced more than 10% of the world’s electricity for the first time in 2021, according to the recent report “3a Global Electricity Review” the think tank independent British Ember, which collects data from 75 countries representing 93% of global demand.

50 countries reached this level, including China and Japan for the first time last year. The Netherlands, Australia and Vietnam are experiencing the fastest transformation, with the share of solar and wind gaining ten points over the past two years. Ten countries draw more than a quarter of their current from these two resources, including Denmark 52%, Luxembourg 43%, Uruguay 47%.

In 2021, 38% of the world’s electricity came from carbon-free sources, including nuclear. But coal also generated 36%. The report highlights the rebound of this energy, the most harmful to the climate, under the effect of the boom in post-Covid electricity demand. The production of coal-fired plants, in fact, in 2021 recorded an unprecedented annual rebound (+ 9%) with a record production of 10,042 TWh. If we add + 1% due to gas, CO2 emissions related to the electricity sector thus peaked last year, exceeding the record level of 2018 by 3%. However, to limit heating to 1.5 ° C compared to to the pre-industrial era, the electricity sector will have to extend to new uses (transport, heating, etc.) and be completely carbon free.

“To be on a path that keeps global warming at 1.5 degrees, wind and solar need to sustain high compound growth rates of 20% each year through 2030. This is the same growth rate as their average in the year. ‘last decade “, Ember writes in the summary of the report. “This is now absolutely possible: wind and sun are the lowest cost sources of electricity on a level basis, with an ever-increasing global experience of integration into high-level grids.”

At this link the full report

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Source: Il Blog di Beppe Grillo by

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