Several million people are without power in Texas following a historic snowstorm that brought down temperatures to below 20 degrees Fahrenheit in much of the state. According to the Electric Reliability Council of Texas (ERCOT), rolling power outages were initiated by utility companies, meaning that power outages can be expected for periods of time as temperatures remain low. “We are dealing with higher-than-normal generation outages due to frozen wind turbines and limited natural gas supplies available to generating units,” the agency said in a statement. Austin Energy told customers that outages might be longer than usual. “Typical events allow short durations of each outage, but outages are longer if the ERCOT grid requires—which is what we’re seeing in today’s event,” Austin Energy wrote on Twitter on Monday. Oncor Electric Delivery, Texas’s largest transmission and electric distribution utility, warned about extended rolling blackouts. “Due to the severity of the electric generation shortfall, our …