D.C.-Md. Utility May Bury Lines After a strong and sudden storm on June 29 cut power to 443,000 customers in Washington, D.C., and its Maryland suburbs, utility Pepco said it is considering burying more power lines. The company has no cost estimate yet to place its system underground, but experts have estimated it could be as high as $5 billion since lines must be buried in 3-ft-deep trenches, said a spokesman. "Pepco will analyze the benefits and costs of more extensive selective undergrounding and even complete undergrounding of the overhead electric system," he said. The utility told the Maryland Public
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