
China's New Airborne Power Generation System
China is preparing for a flight test of an innovative airborne power generation system that resembles an airship and functions similarly to a turbine. This technology is being hailed as the world’s first megawatt-level floating turbine, designed to provide power in remote areas where traditional methods are impractical.
The project is led by a research team from Beijing SAWES Energy Technology Company. They claim that this new system offers a capacity over 30 times greater than the best global alternatives. The announcement about the one-megawatt system was made by Weng Hanke, the company’s chief technology officer, earlier this month.
S1500 Floating Turbine: A Breakthrough in Wind Energy
The newly developed system, named S1500, has a one-megawatt energy generation capacity. According to Weng, its output is equivalent to a traditional wind turbine that stands 328 feet (100 meters) tall. The system aims to harness high-speed and steady winds found at an altitude of 4,921 feet (1,500 meters). This makes it significantly more efficient than conventional wind turbines, which typically operate at around 656 feet (200 meters) above ground level.
Helium helps the airship-like wind turbine reach these optimal heights, carrying the necessary power generation equipment. Once in the sky, the wind energy is converted into electricity and transmitted to the ground via a cable.
Weng explained that wind speeds at 4,921 feet are roughly three times faster than on land, potentially increasing power output by approximately 27 times. The S1500 features 12 micro-generators within its duct, capable of operating simultaneously. These generators are made from carbon fiber, and the entire system weighs less than 2,204 pounds (1 tonne), according to a report.
Past Achievements in Wind Power Generation
SAWES developed the floating turbine in collaboration with Tsinghua University and the Aerospace Information Research Institute of the Chinese Academy of Sciences. This is not the company’s first attempt at airborne wind power. In October 2024, they successfully tested the S500 buoyant airborne turbine, which reached 1,640 feet (500 meters) and generated over 50 kW of power. The company claimed it set two records: maximum flying time and power generated.
Weng highlighted the potential applications of the system, including emergency rescue and survey operations. He noted that the system can be quickly deployed to provide energy wherever needed.
Earlier in January 2025, the company tested the S1000, reaching an altitude of 3,280 feet (1,000 meters) with a power output of 100 kW. For the S1500, advanced safety measures have been introduced, such as preventing gas release from the aerostat, which could allow the system to remain operational for over 25 years.
Future Goals and Potential
Dun Tianrui, founder and CEO of SAWES, has set an ambitious goal: to take the floating wind turbine system to 32,808 feet (10,000 meters). At this height, wind flow is up to 200 times stronger than on the ground, potentially leading to significantly higher energy outputs.
This innovation marks a significant step forward in renewable energy technology, offering a sustainable solution for power generation in remote and hard-to-reach locations. With continued advancements, the future of airborne wind power looks promising, paving the way for cleaner and more efficient energy systems.





