By 2030, hulking terrestrial wind turbines have been partially replaced by energy-generating drones.
The drones are tethered to a ground station by means of a cable through which wind energy is transferred. The generator itself is installed either on the drone in which case, power is generated by its rotating blades. Also it can be placed at the ground station where the power is generated by the action of the wind-tossed drone tugging on the cable.
Drones are able to climb to an altitude ranging from 200 meters to a kilometer — where the winds are constant. Their wind turbine predecessors operated at a height where the air movement was unpredictable, resulting in lots of downtime. The compact, eco-friendly, and readily installable stations quickly spread around the world.
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