Airborne Wind Energy
The wind no tower can reach.
A few hundred metres up, the wind turns strong, dense and near-constant. Airborne wind energy flies lightweight tethered wings into that resource — capturing far more power with a fraction of the material. It's the field KiteGen has helped pioneer for two decades.
The Largest Untapped Resource
Humanity's biggest power source is hiding in plain sight.
The winds of the high troposphere carry more energy than civilisation could ever use. The barrier has never been how much power is up there — it's been how to reach it. That is the problem airborne wind energy exists to solve.
Airborne wind energy keeps the lightweight, fast-moving part that does the work — a wing on a tether — and discards the hundreds of tonnes of steel and concrete that merely hold a conventional turbine up.
The Resource
The wind that turbines can't touch.
Below ~2,000 m, the ground drags on the wind, creating a turbulent boundary layer where speeds are low and gusty. Climb out of it and the flow becomes fast, dense and near-constant — and a conventional turbine, capped by the height of its tower, can never get there.
| Parameter | Conventional turbine · 100–150 m | Airborne wind · 600–5,000 m |
|---|---|---|
| Wind speed | ~4–6 m/s, variable | 12–20 m/s, consistent |
| Energy density | Low — power scales with v³ | 8×–27× greater |
| Availability | Strong day/night variation | Near-constant geostrophic flow |
| Swept area | Fixed by rotor diameter | Structurally unconstrained |
| Embodied material | Hundreds of tonnes of steel | ~1% of a turbine's mass |
| Capacity factor | ~20–25% | Target 70–80% |
The Physics
Why a little more speed means far more power.
The power available in wind rises with the cube of its speed. Reaching air that moves just twice as fast doesn't double the energy — it multiplies it roughly eightfold. That single relationship is the entire economic case for going high.
Flying a wing crosswind — fast, looping arcs across the wind rather than drifting with it — multiplies the force on the airfoil by another one to two orders of magnitude. The wing races at many times the wind's own speed, and its lift does the work.
How the Carousel Works
A kilometre-scale power plant with no tower.
The KiteGen Carousel is a "Ground-Gen" machine — the heavy equipment stays on the ground while only lightweight wings fly. And unlike a single pumping kite, it generates continuously: a swarm of computer-controlled wings drags a rotating ring around a maglev rail, with no reel-in pause and a far lower cut-in wind speed than a turbine.
A maglev ground ring
A circular rail up to 5 km across using passive magnetic levitation. This frictionless "virtual bearing" is what lets one machine scale to gigawatts.
A tensioned ring
A lightweight ring is pulled around the rail by high-strength tethers — turning the wings' pull into rotation, and rotation into electricity through ground alternators.
245 flying wings
Semi-rigid airfoils of 130–500 m² fly a coordinated formation at 600–5,000 m, each tethered to a single point on the rotating ring.
Predictive control
"Time-Machine" agents run faster-than-real-time simulations to choreograph the swarm — maximising torque and keeping every wing in its lane.
Why It Matters
Lighter, stronger, almost everywhere.
By moving the heavy machinery to the ground and sending only a wing aloft, airborne wind energy rewrites the economics and footprint of wind power.
Stronger, steadier wind
Access to the fast, dense, near-constant flow above the boundary layer — winds no fixed tower can reach.
~1% of the material
A wing and tethers replace hundreds of tonnes of steel and concrete — roughly one percent of a turbine's embodied energy.
Unconstrained sweep
The "swept area" isn't fixed by a rotor — wings range across a wide volume of sky, lifting the capacity factor toward 70–80%.
Compact footprint
No vast wake spacing between machines — a far smaller land or sea area for the same delivered energy.
Safe, simple recovery
Wings can be brought down quickly ahead of storms or for maintenance — and the costly hardware is already on the ground.
Higher energy return
Less material and more output mean a far better energy-return-on-investment — and independent estimates of £20–50/MWh by 2030.
The Carousel at a Glance
One machine. Gigawatts of baseload.
Because it runs continuously and reaches winds no turbine can, a single Carousel targets a capacity factor and a cost of energy that conventional renewables can't approach — the architecture KiteGen is bringing to Dubai.
Performance figures are design targets, to be confirmed by full-scale digital-twin validation.
Go inside the Carousel →Two Decades of Work
Not a sketch — validated research.
Modern airborne wind energy has matured over roughly twenty years, driven by advances in materials and control. KiteGen has been at the frontier since the beginning, building one of the field's deepest bodies of work.
See the principle at gigawatt scale.
The KiteGen Carousel turns everything on this page into a working power plant. Explore the machine, or talk to our team.