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Getting to Green: Minnesota's energy future
Dan Kraker
Hermantown, Minn.

Minnesota utilities deploy 'magic balls' to help clean energy transition

A drone installs a metal spherical sensor onto an electric wire.
A drone hovers near a power line after installing a "neuron," which collects real-time data from the power line, allowing more electricity to be safely sent through the line. Minnesota Power recently partnered with a Norwegian company called Heimdall Power to install 52 of the smart sensors on some of its power lines.
Courtesy of MInnesota Power

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