Reverlast pioneers wind turbine blade recycling with floating sauna project in Espon

In a picturesque area of Espon, large structures reminiscent of airplane wings have captured the attention of passersby. However, these are not aircraft components but the blades of wind turbines. A local startup, Reverlast, is pioneering new methods for repurposing these materials. With the assistance of Aalto University students, the company is currently developing a prototype for a floating dock intended to house a sauna.

Typically made from fiberglass, wind turbine blades present significant challenges when it comes to recycling, especially given their immense size and weight. In the U.S., these blades are often buried, a practice prohibited in the EU. Reverlast, however, sees a different future for these components, anticipating they still have a lifespan of about 50 years despite their initial operational period coming to an end around the 20-year mark.

Company founder Ossi Heiskala describes this new venture as giving retired wind turbine blades a fresh lease on life in aquatic environments, drawing inspiration from the founders’ passion for boating and sailing. They aim to serve a diverse clientele, from cottage owners to major marinas.

The project is supported by a €10,000 grant from Aalto University, which focuses on sustainable development initiatives. Reverlast’s vision extends to constructing breakwaters from the turbine blades’ lower sections, which can measure up to 40 meters.

The recycling challenge is acknowledged across Europe, as it is expected that by 2040, around 400,000 tons of turbine blades will be due for recycling, equating to approximately 27,000 individual blades. Other nations, including Denmark, Germany, and the U.S., are also exploring innovative repurposing options.
If successful, Reverlast’s floating sauna will be ready for use in community gatherings by next year, providing a unique leisure space in the region.