Successful Field Testing of the World's First Buoyant Megawatt-Scale High-Altitude Wind Energy System

Chao Lu; Yang Jiang; Di Liu; Jianxiao Wang; Hanke Weng; Tianrui Dun; Zhanglei Shi

doi:10.1049/ein2.70024

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Successful Field Testing of the World's First Buoyant Megawatt-Scale High-Altitude Wind Energy System

更新时间：2026-04-19

- Successful Field Testing of the World's First Buoyant Megawatt-Scale High-Altitude Wind Energy System
- Energy Internet Vol. 3, Issue 1, (2026)
- 作者机构：
  
  1. Department of Electrical Engineering, Tsinghua University,Beijing,China
  2. Contribution: Conceptualization, Funding acquisition, Writing - review & editing, Supervision, Investigation, Project administration
  3. Contribution: Methodology, Software, Investigation, Writing - original draft
  4. Contribution: Methodology, Software, Writing - original draft
  5. National Engineering Laboratory for Big Data Analysis and Applications, Peking University,Beijing,China
  6. Contribution: Methodology, Software
  7. Beijing SAWES Energy Technology Co. Ltd.,Beijing,China
  8. Contribution: Methodology, Project administration, Validation
  9. Contribution: Project administration, Validation
  10. Contribution: Methodology, Software, Investigation
- 作者简介：
- 基金信息：
- DOI：10.1049/ein2.70024
  CLC：
- Published：2026
- 稿件说明：
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Chao Lu, Yang Jiang, Di Liu, et al. Successful Field Testing of the World's First Buoyant Megawatt-Scale High-Altitude Wind Energy System[J]. Energy Internet, 2026, 3(1).
DOI：

Chao Lu, Yang Jiang, Di Liu, et al. Successful Field Testing of the World's First Buoyant Megawatt-Scale High-Altitude Wind Energy System[J]. Energy Internet, 2026, 3(1). DOI： 10.1049/ein2.70024.

摘要

In September 2025

the world's first buoyant megawatt-scale high-altitude wind energy system (HAWES) successfully completed its initial field deployment and structural validation in Hami

China. The prototype is a buoyant aerostat operating at 1500 m

equipped with 12 turbine-generators to harness the stronger and more consistent winds found at that altitude. The HAWES concept offers compelling advantages: higher wind-power density allows for significantly lighter components (1.16 tonnes vs. over 10 tonnes for conventional turbines)

whereas steadier winds improve the capacity factor

benefiting grid integration. Key technical challenges for the system include the design of a deeply integrated

lightweight electrical topology and the management of wind speed heterogeneity caused by the aerostat's operational tilt. To validate its core functionality

the system's power generation capability was evaluated through off-grid load tests conducted in a PSCAD/EMTDC simulation environment. The simulation

which successfully modelled the nonuniform wind conditions

confirmed the design's feasibility by demonstrating a stable start-up process and a steady-state power output of 1.135 MW.

Abstract

In September 2025

the world's first buoyant megawatt-scale high-altitude wind energy system (HAWES) successfully completed its initial field deployment and structural validation in Hami

China. The prototype is a buoyant aerostat operating at 1500 m

whereas steadier winds improve the capacity factor

benefiting grid integration. Key technical challenges for the system include the design of a deeply integrated

lightweight electrical topology and the management of wind speed heterogeneity caused by the aerostat's operational tilt. To validate its core functionality

the system's power generation capability was evaluated through off-grid load tests conducted in a PSCAD/EMTDC simulation environment. The simulation

which successfully modelled the nonuniform wind conditions

confirmed the design's feasibility by demonstrating a stable start-up process and a steady-state power output of 1.135 MW.

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