Can adding rooftop solar really move the loadshedding needle?

President Cyril Ramaphosa’s announcement that incentives will be introduced to help facilitate solar investments by businesses and households was arguably the high point of a State of the Nation Address, where the declaration of a state of disaster and the appointment of an Electricity Minister stole the headlines. But can such investments really help to reduce loadshedding, which increased by four times last year to about 8.1 TWh and disrupted a total of 3 775 hours across 205 days?