Rethink Energy figures for the 18 leading national solar markets show 25.37 GW installed in the first quarter of the year. That implies about 30 GW installed worldwide in the period. That’s an increase of 49% compared to the first quarter of 2020, but of course that doesn’t mean all of 2021 will be bigger by that proportion. Aside from supply chain issues, the USA is not reducing its subsidy for solar projects at the end of this year, and China is only ending a modest subsidy for rooftop projects, having already terminated it for utility-scale. In consequence, installations in 2021 will be less slanted towards Q4 compared to last year. Following on from our figure of 146.5 GW installed…