Extreme heat wave strains U.S. power grids and holiday travel
Heat wave grips the U.S. with record heat, higher power demand, and travel delays See what the extreme temperatures mean for your holiday plans, bills, and safety
A prolonged heat wave is expected to continue across the central and eastern United States through the Independence Day weekend, increasing pressure on power systems and disrupting travel plans.
Temperatures could reach 105 degrees Fahrenheit in some areas, according to the National Weather Service, with record highs possible in several places. The heat is driving higher electricity demand as more people rely on air conditioning, while wholesale power prices have risen sharply in parts of the country.
Utilities and grid operators are urging consumers to reduce electricity use during peak hours. At the same time, rail, airline and road travel may face delays or cancellations as extreme heat affects trains, equipment and pavement conditions during one of the busiest travel periods of the year.