Transmission lines carry high voltage electricity see next. How the grids have held up amid the recent tests, including freezes this week and in December around the Christmas holiday, has been "remarkable," Krishnamoorti said. To transmit a constant amount of power at a less loss, reduce the current and increase the voltage. In 2021, more than 100 people died as a result of rolling blackouts during back-to-back ice storms that brought temperatures as low as 6 degrees. Other freezes occurred in the early 2000s, specifically in 2011, which is known colloquially as the "Super Bowl freeze" because it took place over the Super Bowl weekend hosted at AT&T Stadium in Arlington, Texas. Arlington ٠ Conroe ٠ Dallas ٠ Fort Worth ٠ Garland ٠ Grand Prairie ٠ Houston ٠ Irving ٠. If an electricity grid can divert an excess of power (say, on an especially sunny and windy day) into storage, the grid won’t be overloaded. In 1991, a Halloween blizzard and ice storm overtook southeast Houston. One way for power grids to work around this intermittency problem is to invest in energy storage. December 1983 holds the record for the coldest December for both Dallas-Fort Worth and Waco. The projection for peak demand has climbed to 71,153 megawatts. Texas typically experiences deep freezes that really test its power grids once every decade, Ramanan Krishnamoorti, vice president of energy and innovation at the University of Houston, told ABC News. ERCOT, the agency that manages the Texas power grid, projects that peak power demand will be at 9 a.m. The lights have stayed on in Texas among the recent freezes the state has been experiencing, but experts aren't sure whether the energy grids are winterized enough to withstand the next deep freeze.
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