Norway

Norway

VIDEO: The long and winding road -- blade transportation in Norway

After months of planning and modifying Norway's narrow, winding roads, the first turbine has been delivered and installed at Engie and Susi Partners' 208MW Tonstad wind farm.

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Finnish transport company Silvasti has been responsible for making possible the 45km journey from Feda port in southern Norway to the 208MW wind farm.

It contracted Norwegian construction company Stangeland to blast and remove rocks from the side of the roads at slender corners and expand bridges to make carrying the 70-metre blades possible.

Stangeland also cut down trees and removed road signs to allow the tips of the blades to pass through, and flattened bumps in the roads to ease navigation.

Its efforts highlight the logistical challenges of wind farm development in remote or hard-to-access sites.

Silvasti started transporting the 17-tonne blades in mid-June and a month later, installed the first Siemens Gamesa SWT-DD-142 turbine at Tonstad.

Deliveries have taken place in late evenings or at night, and always with a police escort under supervision of the Norwegian road authorities to avoid disruption to local communities.

Engie (20% owner) and Susi (80%) also de-rated two turbines to 3.7MW and one to 3.9MW to reduce noise for local cabin owners. The remaining 48 turbines have power ratings of 4.1MW.

The developers expect to commission the project in early 2020. Once operational, all of the power output from Tonstad will be bought by aluminium producer Norsk Hydro.

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