China’s Mingyang installs a 20 MW prototype wind turbine in Hainan with a rotor up to 958 feet, plus a 16.6 MW floating platform

Javier Niño
Published On: October 10, 2024 at 7:50 AM
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In the universal competition for the supremacy of renewable energy, China, which is still the world’s largest emitter of greenhouse gases, has also become a leader in renewable energy. With progress in offshore wind technology, the country is setting new benchmarks for turbine size. The unveiling of the biggest wind turbines, including the Mingyang Smart Energy’s 20 MW prototype, is pushing the limits of what is achievable, while other Chinese makers are building turbines of similar size.

Mingyang Smart Energy installs a 20 MW prototype turbine in Hainan

The Mingyang Smart Energy’s recent achievement, a 20 MW prototype turbine designed for offshore wind, marks a notable moment in renewable energy’s advancement. Installed on August 28, 2024 in Hainan, China, the MySE18.X-20MW is described by Mingyang as the largest single-capacity offshore wind turbine, with a rotor diameter of 853 to 958 ft (260 to 292 m). Dongfang Electric has since rolled out a 26 MW turbine with a rotor of about 1,017 ft (310 m). The turbine was installed at Mingyang’s onshore test center in Lingao, on the island of Hainan, not at sea. Besides its size, Mingyang stresses its strength. The company says it is designed to withstand extreme weather, including Category 17 typhoons. Mingyang says the turbine uses active anti-typhoon technology, since typhoons are a risk in China. It has also had a setback. In December 2024, reports said two blades broke off this prototype during testing at Lingao. Mingyang did not name the model, but said blades on a newly developed prototype fractured under extreme, abnormal conditions beyond their design load limit, that nobody was hurt, and that the product was still in testing and not yet marketed or mass-produced.

China’s renewable innovation: Mingyang’s 20 MW prototype and the floating OceanX platform

The renewable energy voyage of China incorporates the innovation of the 20 MW turbine together with OceanX, a 16.6 MW floating platform from Mingyang that carries two 8.3 MW rotors. Mingyang describes it as the largest single-capacity floating wind platform, and it began operating at the Qingzhou IV offshore wind farm in Yangjiang, China, in December 2024. Floating platforms such as OceanX could be used in deeper waters, opening up more offshore wind farm locations, especially in areas with limited shallow water. According to Mingyang, OceanX is designed to withstand typhoons and can produce 54 GWh a year, enough to power 30,000 households.

Breaking records & raising the bar: The growth of wind energy continues

Shattering records is not where the country is stopping at. In October 2023, Mingyang announced plans for an even larger 22 MW turbine with a rotor of more than 300 m, and said it expected to have a demonstration unit in 2025. The progression curve from 10 MW turbines several years back to the 20 MW-class machines of today is a testimony to the wind energy’s cumulative rate of technological developments. According to Mingyang, carbon fiber resources along with progresses in manufacturing have all performed a vital part in the creation of these gigantic turbines. These progresses effects are considerable. With developments such as this, not only is China safeguarding their energy future, but they are also establishing a standard for other countries to pursue. China’s accomplishments in offshore wind energy are changing the landscape of global energy. Turbines such as Mingyang’s 20 MW prototype, as well as the OceanX twin-rotor floating platform, show how quickly offshore wind technology is moving. As the country keeps expanding the limits of what is probable, it is unmistakable that the energy dominance competition has transitioned offshore, and that the globe is focusing attentively.

First published on October 10, 2024; corrected on October 28, 2026 to remove inaccurate statements about the turbine’s location, status and capabilities.

Javier Niño

Javier Niño

Javier Niño has been a Spanish National Police officer since 2017 and a journalist specialising in employment, labour law and Social Security, with more than seven years of writing experience. At ECOnews he covers environment, energy and sustainability news, focusing on how new regulations and court rulings affect people in their everyday lives.

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