31 Mar '17, 6pm

Nanogrids, Microgrids, and Big Data: The Future of the Power Grid

The U.S. Department of Energy’s SunShot initiative has as its goal making solar power cost competitive—without subsidies—by 2030. (A Chinese government agency has a similar agenda.) Specifically, SunShot’s goal is to reduce the cost of distributed, residential solar power to 5 U.S. cents per kilowatt-hour by 2030; it costs about 18 cents today. Today, a 6-kW rooftop residential solar system in the United States typically costs between $15,000 and $20,000; the exact figure depends on where you live. According to data from the EIA, the average retail cost of electricity delivered by the grid in the United States is 12.5 cents per kilowatt-hour . So at 18 cents, rooftop-generated solar is not yet, on average, competitive with grid-delivered electricity. But many governments, for example U.S. state governments, subsidize the purchase of solar-power systems to make them competi...

Full article: http://spectrum.ieee.org/energy/renewables/nanogrids-micr...

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