Christian Breyer and Mark Z. Jacobson, two prominent scientists tracking the global rollout of renewable energy systems provide an update on solar’s role in the equation. Frustratingly, political and regulatory blocks continue threatening to derail progress but the economic, environmental and grid flexibility benefits that the combination of solar and storage can provide are unmatched by legacy fossil fuels. As part of pv magazine’s Renewables 24/7 special feature this month, these two top experts shared their views on the state of the energy transition with pv magazine’s Blathnaid O’Dea.