 The study suggests that solar energy is becoming increasingly attractive economically and could dominate global electricity markets by 2050 or 2060, but uncertainties exist regarding grid stability, finance availability, supply chain capacity, and political resistance in certain regions. Policies may be more effective than price instruments to accelerate the transition to clean energy. This article was authored by Femke J. M. M. Niigis, Jean-François Mercure, Nadia Amélie, and others.