Germany, Europe’s biggest power market, had about 300 hours with prices below zero last year. That may double in 2024, according to energy analytics firm EnAppSys Ltd. In the UK, the number of negative hours will grow fivefold by 2027 to surpass 1,000, industry consultant Modo Energy said. “It’s a dynamic that we’ll continue to see,” Anna Borg, chief executive officer at Sweden’s Vattenfall AB utility, said in an interview. “We have to live with that.”