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Kite can be a reliable source of electricity, scientists say (video)
Last reviewed: 30.06.2025
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A system for converting wind kinetic energy into electricity using a kite is being tested in the US.
The Model 8 system is the result of two years of work by Windlift specialists. They managed to design a semi-automated device consisting of a 40 square meter kite and an electric generator that fits together with batteries and auxiliary electronics in a small trailer.
Two people are needed to launch the device, which takes about 10 minutes. First, the kite soars to a height of 75 meters, after which the equipment automatically switches to energy generation mode, and the operator begins to control the kite's movements with a joystick and draw "eights" until the height reaches 150 meters. After this, the energy collection stops, and the kite, "resting", descends to 75 meters; then another cycle begins, which lasts about a minute.
The capacity of the unusual mobile power station is 12 kW at a wind speed of 10 m/s (such wind is classified as "fresh" - between moderate and strong). It is capable of operating in a wide range of temperatures, from -32 to +46 ˚С.
The advantage of this method of generating energy is that it works at the same altitudes as the largest wind turbines, but does not require the construction of massive and expensive supporting structures. The developers hope that it will be able to replace portable diesel power plants.
According to Windlift Vice President of Research and Development Matt Bennett, the technology was initially created for military purposes, but now the main area of application is seen as rescue operations at the site of a natural disaster, which often disables power plants and energy supply systems. In the future, it is expected to increase the capacity to 23 kW, and also make the unit completely autonomous.