The U.S. Urgently Needs a Bigger Grid. Hereβs a Fast Solution. NYT: Science By: Brad Plumer 9 April 2024 at 10:15 A rarely used technique to upgrade old power lines could play a big role in fixing one of the largest obstacles facing clean energy, two reports found. Β© Jim Wilson/The New York TimesReplacing existing power lines with cables made from state-of-the-art materials could roughly double the capacity of the electric grid in many parts of the country.