Duke Energy Drones Used For Inspection

Duke Energy Drones Used For InspectionDuke Energy

Duke Energy Drones Speed Solar and Wind Farm Inspection

Automation World reports that Duke Energy is the largest electric company in the U.S., delivering electricity to about 7 million customers in the Southeast and Midwest. More and more of that electricity is being generated by renewable technologies. The utility owns more than 1,700 MW of generating capacity through 15 wind farms and 17 solar farms in 12 states.

Inspecting all those assets can be a daunting task, however, taking a few days to walk through just one 5 MW solar field, for example; or having to repel with ropes from a wind turbine hundreds of feet in the air to inspect blades.

When Duke Energy initiated a drone project in August 2014, the utility had augmented safety and improved operational excellence in mind for all its assets. Though Duke’s first pilot project was at its Marshall steam plant in August 2015, early interest in the use of the small unmanned aerial system (sUAS) came particularly from the utility’s commercial renewables group for inspecting solar and wind farms. Duke’s first solar farm inspection was in February 2016, with the first wind farm inspection coming a month later. By summer of 2016, more solar farm inspections were being added to the rotation, and Duke now has about 30 sUASs in operation.

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“Use of the drones has had a tremendous impact on Duke’s regular inspections of its solar farms, the larger of which have hundreds of thousands of photovoltaic panels to inspect”, said Jason Handley, director of smart grid emerging tech and operations for Duke Energy. “As soon as you put an infrared camera on a drone, what used to take three days takes two hours instead,” he said, presenting the utility’s sUAS initiative during a presentation at this year’s ARC Industry Forum in Orlando, Fla.

Besides the relative speed of flying over vs. walking among the solar panels, an infrared camera can quickly identify a failed cell or diode because it shows as white when it’s not generating electricity. Continue reading about Duke Energy and how the company is using drones.

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