The growth of the world’s capacity to generate electricity from solar panels, wind turbines and other renewable technologies is on course to accelerate over the coming years, with 2021 expected to set a fresh all-time record for new installations, the IEA predicted in a new report.

Despite rising costs for key materials used to make solar panels and wind turbines, additions of new renewable power capacity this year are forecast to rise to 290GW in 2021, surpassing the previous all-time high set last year, according to the latest edition of the IEA’s annual Renewables Market Report.

By 2026, global renewable electricity capacity is forecast to rise more than 60 per cent from 2020 levels to over 4.8TW – equivalent to the current total global power capacity of fossil fuels and nuclear combined. Renewables are set to account for almost 95 per cent of the increase in global power capacity through 2026, with solar PV alone providing more than half. The amount of renewable capacity added over the period of 2021 to 2026 is expected to be 50 per cent higher than from 2015 to 2020. This is driven by stronger support from government policies and more ambitious clean energy goals announced before and during the COP26 Climate Change Conference.


The growth of renewables is forecast to increase in all regions compared with the 2015-2020 period. China remains the global leader in the volume of capacity additions: it is expected to reach 1200GW of total wind and solar capacity in 2026 – four years earlier than its current target of 2030. India is set to come top in terms of the rate of growth, doubling new installations compared with 2015-2020. Deployments in Europe and the US are also on track to speed up significantly from the previous five years. These four markets together account for 80 per cent of renewable capacity expansion worldwide.

Solar PV remains the powerhouse of growth in renewable electricity, with its capacity additions forecast to increase by 17 per cent in 2021 to a new record of almost 160GW. In the same time frame, onshore wind additions are set to be almost one-quarter higher on average than during the 2015-20 period. Total offshore wind capacity is forecast to more than triple by 2026.

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