CEDM News: Press Release – Carnegie Mellon Researchers Examine Economic Feasibility Of Using Direct Current Circuits To Power Lights in Commercial Buildings

PITTSBURGH – For more than a century, electric power has been produced and distributed using alternating current (AC) technology championed by George Westinghouse and Nikola Tesla.

Carnegie Mellon University researchers report that a competing direct current (DC) electrical power system, pioneered by Thomas A. Edison in the 1880s, may be the most economic way to power lights in commercial buildings, especially in buildings using solar photovoltaics (PV).

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