Solar and wind power can grow enough to limit global warming to 1.5C if the 10-year average compound growth rate of 20% can be maintained to 2030, independent climate think tank Ember said in a report on Wednesday.
Solar generation rose 23% globally in 2021, while wind supply gained 14% over the same period. Together, both renewable sources accounted for 10.3% of total global electricity generation, up 1% from 2020, data from Ember showed.
The main issue currently slowing the growth rate is on-the-ground constraints like permitting, and if governments want to supercharge growth they need to solve problems slowing deployment, Ember's global lead Dave Jones said. This came in a year of rapid demand recovery, as 2021 saw the largest recorded annual increase of 1,414 TWh in global electricity demand in 2021, up 5.4% and the equivalent of adding a new India to global demand, they said.
The biggest demand rise was recorded in China, up 13% in 2021 compared to pre-pandemic levels in 2019, the data showed.
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