China's airborne wind power system operates stably at 4,000 meters #coolchina

China's self-developed S4000 Stratosphere Airborne Wind Energy System (SAWES) climbed to 4,000 meters and hovered steadily at a test base in northwest China. The system proved reliable in extreme high-altitude conditions.

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For more:
https://news.cgtn.com/news/2026-09-09/China-s-airborne-wind-power-system-operates-stably-at-4-000-meters-1QicQBH7Dby/p.html

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