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Wednesday, Feb
09, 2023
A Danish wind turbine giant just discovered how to recycle all
blades
![](images/images_02_09_2023/pic1.jpg)
Wind turbine maker Vestas today announced that it’s figured out how to
recycle all wind turbine blades – even ones already sitting in
landfills.
The Danish company says it has discovered a solution that “renders
epoxy-based turbine blades as circular, without the need for changing
the design or composition of blade material.”
Vestas, Aarhus University, Danish Technological Institute, and epoxy
maker Olin has developed a novel process that can chemically break
down epoxy resin into virgin-grade materials. The four industry and
academic partners announced formed a coalition called the CETEC
project – Circular Economy for Thermosets Epoxy Composites – in May
2021.
Lisa Ekstrand, vice president and head of sustainability at Vestas,
said:
Until now, the wind industry
has believed that turbine blade material calls for a new approach to
design and manufacture to be either recyclable, or beyond this,
circular, at end of life. Going forward, we can now view old
epoxy-based blades as a source of raw material.
Once this new technology is implemented at scale,
legacy blade material currently sitting in landfill, as well as
blade material in active wind farms, can be disassembled and reused.
This signals a new era for the wind industry, and accelerates our
journey towards achieving circularity.
Vestas says it will now scale up the chemical disassembly process into
a commercial solution through a newly established value chain,
supported by Nordic recycling firm Stena Recycling and Olin. Once
mature, Vestas says, “the solution will signal the beginning of a
circular economy for all existing, and future epoxy-based turbine
blades.”
Up to now, turbine blades have been challenging to recycle due to the
chemical properties of epoxy resin, a resilient substance that was
believed to be impossible to break down into reusable components.
Electrek’s Take
Well, this is a huge announcement. If Vestas indeed just figured out
how to recycle ALL wind turbine blades EVERYWHERE, then this solves
one of – if not the biggest – of the wind industry’s major headaches.
WindEurope expects around 25,000 tonnes of blades to reach the end of
their operational life annually by 2025, rising to 52,000 tonnes by
2030. This exciting breakthrough couldn’t have come at a better time.
Photo: Vestas
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