Sustainability is many things, and if a wind turbine can be set to operate for many more years, it is good for both nature and the turbine owner.
- Many of the turbines that we service are 25 years old, and there are still plenty of good years left in them, says owner and CEO of GNL Wind Service A/S Gert Nygaard Laursen, who also has a concrete estimate of how many more years of operation it could be:
- Many of these turbines can last 45 years.
There could therefore be up to 20 years of operation to be gained from the turbines from the late 1990s.
The quality that was made back then was even very long-lasting, but Gert Nygaard Lauersen does not assess today's turbines.
- The ones we make today won't last more than 30 years, he concludes with a total experience of over 15 years in the wind turbine service industry. GNL Wind Service A/S with a total of 28 employees has just celebrated its 10th anniversary. Before that, the director was a service technician at Vestas for more than five years.
There is also a good reason why wind turbines from the 1990s last so much better.
- The old turbines are oversized, and they last. That's why it's a good idea to upgrade them and get more production out of them, explains Gert Nygaard Lauersen about some of the work his company does. It can even be large components such as wings or nacelles.
Wind turbines made since the 1990s are of different sizes, and there are many of them in Denmark.
- There are approximately 2,500 wind turbines still standing in Denmark in the 600-1,000 kW size, made between the 1990s and around 2005, explains Gert Nygaard Laursen about some of the work his company does.
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