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Upon closer analysis, we note that blade costs are increasing at R2.2 while annual energy production is increasing at a slightly lower rate of R2.1. Therefore, blade costs are increasing at a faster rate than energy capture, resulting in less “budget” available for transporting blades to the site. The low specific ratings of the turbines combined with wind shear and selected hub heights are contributing to this effect because the turbines achieve rated power at lower wind speeds, thus limiting their expected AEP gain.

Figure 7-2 Calculated total cost of delivered blade targets

DNV GL – Document No.: 10080081-HOU-R-01, Issue: C, Status: FINAL www.dnvgl.com

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Supersized wind turbine blade study  

R&D pathways for supersized wind turbine bladesSupersized wind turbine blade studyLawrence Berkeley National LaboratoryDocument Number: 1008...

Supersized wind turbine blade study  

R&D pathways for supersized wind turbine bladesSupersized wind turbine blade studyLawrence Berkeley National LaboratoryDocument Number: 1008...

Profile for dnvgl