Researchers Turn Wind Blades Into Silicon Carbide
A flash heating method converts decommissioned turbine blades into materials that can strengthen resin, as Europe's blade waste grows.
Updated on Nov. 7, 2026 in Materials Science
Live Poll
Should governments require wind turbine blades to be recycled rather than landfilled?
Researchers used flash joule heating to convert decommissioned wind turbine blades into silicon carbide and graphene, according to a study published in the journal Chem Circularity. The process heats blades to about 2,000°C in seconds, and adding just 0.3 per cent by weight of the recovered materials made resin stiffer and stronger.
Why it matters
Turbine blades are durable and difficult to recycle, and many end up in landfill or are incinerated once decommissioned. The findings offer a possible route to reuse blade material as turbine waste is projected to grow substantially in Europe.
The study reports a 27 per cent improvement in resin resistance to deformation under tension and nine per cent when bent, from adding 0.3 per cent by weight of recovered material. Europe's annual decommissioned blade waste is projected to climb from 20,000 tonnes in 2025 to 55,000 tonnes by 2030, and the scalability of the laboratory process remains unaddressed.
The players
WindEurope
WindEurope is the trade association representing the European wind energy industry, which introduced a voluntary industry-wide landfill ban on turbine blades.
Tsinghua University
Tsinghua University is a leading public research university in Beijing, China, where the lead researcher on the blade recycling study is based.
The details
Blades are subjected to a brief burst of intense heat using flash joule heating, which causes carbon to react with silica to form silicon carbide while carbon reorganizes into graphene. The work was led by researchers at Tsinghua University in China, while WindEurope has urged EU policymakers to enshrine a voluntary industry landfill ban into formal legislation.
Timeline
Turbine blades are typically decommissioned after about 20 years of service.
The study on flash joule heating of blades was published on 2026-11-07.
WindEurope's voluntary landfill ban took effect last year.
Projected annual European blade waste is expected to reach 55,000 tonnes by 2030.
The Big Picture
The new method offers a technical path to reuse blade material, complementing WindEurope's voluntary landfill ban that took effect last year. Its practical value depends on whether the approach can handle the rising volumes projected for European blade waste.
If scaled, reusing turbine blade material could reduce the volume of blades sent to landfill or incineration once turbines are retired. The current findings are laboratory results, so their effect on products and waste practices remains to be seen.
The takeaway
Recycling wind turbine blades remains difficult because of their durability, but laboratory methods are beginning to show that their materials can be recovered. Readers following the energy transition should watch whether such approaches move from the lab to industrial use as blade waste grows.
Further reading
Explore related reporting in the Materials Science section.
Source note: This article includes information reported by Euronews English.
Live Poll
Should governments require wind turbine blades to be recycled rather than landfilled?
