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May 15, 2025 44 mins

On April 28th, millions of people across Spain, Portugal and beyond were plunged into darkness in one of Europe’s most severe blackouts in decades. Was it a cyberattack? A renewables failure? Or might things be a little more complex?


This week, Tom Rivett-Carnac, Christiana Figueres, and Paul Dickinson dig into what we know, what we don’t, and ask what this blackout really tells us about the transition to renewables. They speak with energy strategist Kingsmill Bond of Ember and hear an on-the-ground account from José Manuel Entrecanales, CEO of global renewables leader Acciona, to build a picture of how our grids function – and how they fail.


Plus: what can we say when friends or colleagues claim that ‘renewables aren’t reliable’? And, after our recent conversations reflecting on the legacy of Pope Francis, what might Pope Leo XIV mean for future climate leadership?


Learn more 


🔌 Ember’s report, ‘Energy Security in an Insecure World


🎧 Octopus CEO Greg Jackson interviewed on the Azeem Azhar’s Exponential View podcast


💡 Simon Evans’s analysis for Carbon Brief on the role of gas in electricity pricing


🌐 The IEA’s report, ‘Electricity Grids and Secure Energy Transitions


🌳 ‘Pope Francis was a passionate climate advocate. Will Pope Leo XIV continue his legacy?’ in EuroNews



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Producer: Ben Weaver-Hincks

Video Producer: Caitlin Hanrahan

Exec Producer: Ellie Clifford

Commissioning Editor: Sarah Thomas 


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