Energy demand is skyrocketing, fuelled by the demand for artificial intelligence. But as Hitachi Energy's CEO Andreas Schierenbeck tells FRANCE 24's Charles Pellegrin at the World Economic Forum in Davos, power grids are not up to scratch and need significant investments. The annual gathering in the Swiss Alps is being held as Donald Trump's return to the White House is rattling the world. EU Commission President Ursula von der Leyen defended free trade and economic liberalism in her keynote speech.