In this maiden grid test, the airborne platform generated 385 kilowatt-hours (kWh) of electricity that was successfully fed into the existing power network. The company says the S2000’s rated capacity ...

EDITOR’S NOTE: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

China has completed a test flight of what it says is the world’s first megawatt-class high-altitude wind power system designed for urban deployment. The enormous S2000 Stratosphere Airborne Wind ...