In Chicago, the electrical utility company Commonwealth Edison spent six years with a $25 million initiative, designing a microgrid for the neighborhood of Bronzeville. The aim was to supply the neighborhood with power in the event of a grid failure as well as advancing the city's solar and electric technologies. An initiative that began in 2016, the Department of Energy recently approved that the microgrid's generators can safely disconnect and connect with the grid, no simple feat for a complex grid system involving substations and an interconnection point. The microgrid will soon be supplying power to thousands of residences, urban buildings, and city fire and police departments, making it the first city in the United States to have a microgrid come online.

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