Why Solar Is Now the Cheapest Electricity

In every scenario in the IEA’s flagship World Energy Outlook 2025, solar power is projected to grow rapidly in the coming decades. But what is driving this growth? And what could slow it down or speed it up?

In this episode, Brent Wanner, Head of the IEA’s Power Supply Unit, and Anthony Vautrin, an energy modeller, unpack the new report’s key findings on solar. They discuss the trends that have underpinned solar’s rapid ascent, its potential to meet rising electricity demand around the world, and some of the key factors that are likely to affect its future growth.