The northeastern Chinese province of Liaoning imposed curbs on electricity use on Monday, marking the fifth power shortage alert in two weeks. Authorities in Liaoning issued the province’s second-highest alert level for power shortages, warning that the shortfall could reach 4.74 gigawatts (GW). The Liaoning Provincial Industry and Information Department said in a notice that the curbs on power use started from 6 a.m. local time. The latest blackout comes only two days after an earlier alert when power shortages reached 4.62 GW, the state-backed news agency Chinanews reported. As part of that, the authorities said they have decided to suspend power supplies to the energy-intensive cement industry, adding it will persist for at least 15 days, a notice dated Oct. 8 read. The province also issued level-two alerts for each of the last three days of September, when the daily power supply gap reached as much as 5.4 GW. …