Gigantic gliding ‘power bank’ could help communities cut off from the grid during blackouts and cement China’s leading role in green energy

Between September 19 and 21, the airship-like S1500 – about the size of a basketball court and as tall as a 13-storey building – became the first turbine of its kind to generate one megawatt of power during a test flight at a desert site in China’s western Xinjiang region.