The U.S. electrical grid has hardly changed since the War of Currents, the 1880s fight that saw George Westinghouse’s alternating current triumph over Thomas Edison’s direct current as the preferred method for generating and transmitting electricity. It remains a network of long-distance transmission and distribution lines designed to move electricity in one direction: from giant, lumbering fossil fuel plants to faraway households and businesses. This system has endured because it has proved safe, reliable, effective, and affordable.More
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