Kites turn high-altitude wind into predictable power

Tethered kites are emerging as a new way to generate renewable energy by flying hundreds of meters above ground, where winds are stronger and steadier than near the surface. Known as airborne wind energy systems (AWES), they replace towers and concrete with lightweight wings flying in controlled crosswind patterns.

The kite pulls on a tether connected to a ground-based generator, producing electricity with far less material than conventional turbines. Control is key: the system must autonomously handle gusts, tether tension, and flight stability while delivering predictable power.

Pilot projects like Kitepower’s Bangor Erris site in Ireland have logged hundreds of flights, with kites producing up to 100 kW. Across Europe and the US, developers are refining sensors, modular designs, and control systems to make AWES reliable and grid-ready.

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