The Texas power grid operator on Monday forecast demand this week would reach its highest in 2021 as homes and businesses crank up air conditioners to escape another heatwave. The United States has been beset by several extreme weather events this year. InFebruary, a freeze in Texas knocked out power to millions. This summer, there was record heat in the Pacific Northwest. The U.S. National Weather Service issued a heat advisory for Dallas on Monday and Tuesday where high temperatures are expected to reach the upper 90s Fahrenheit (35 Celsius) every day from Aug. 8-14, according to AccuWeather. The city’s normal high is 97 F at this time of year. The Electric Reliability Council of Texas (ERCOT), which operates most of the state’s grid, projected power use […]