In this episode, Mick Liubinskas from Climate Salad chats with Thomas Nann, CEO of Allegro Energy, about their mission to transform the energy landscape with sustainable, long-duration batteries. Thomas shares his journey from academia to entrepreneurship, detailing how Allegro Energy evolved from a university spin-out to a pioneering force in battery technology. The discussion covers the challenges of scaling hardware innovations, the role of partnerships with major utilities like Origin Energy, and the global opportunities for renewable energy solutions. Thomas also sheds light on the unique advantages of being based in Newcastle, the importance of collaboration across sectors, and how transferable skills can drive the cleantech revolution. This episode is packed with insights on building impactful climate tech businesses, overcoming industry hurdles, and fostering innovation for a decarbonised future.