Rethink Energy now estimates that 2020 solar additions rose to 146.5 GW in 2020, up from around 121 GW in 2019 – a 20.7% year-on-year increase driven by unprecedented Q4 installation rushes in China, Vietnam, and the USA, all of which had subsidy deadlines. In China and the USA, the rush was utility-scale, while in Vietnam it was driven by a generous rooftop feed-in-tariff. In the USA, the highest pre-pandemic estimate was 24 GW, and that certainly wasn’t achieved. Figures from the US Energy Information Administration have been published show 15 GW installed, and those figures are always incomplete, especially for the last month reported – December – which this year had a last-minute utility-scale rush. As such, we now…