A telephone pole supplying a local feeder circuit for residential and commercial voltage applications. Note the lower-voltage (communications) lines on the lower portion of the pole and the line voltage on the top of the pole. Detroit has some of the worst utility reliability in the United States because of a legacy of disinvestment and poor regulation. Power grid modernization is a key policy objective as part of the process of decarbonization because it requires rethinking the scales and geographies across which power is distributed.