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Cost Reduction Strategies for Offshore Wind Energy: Insights from We@Sea Conference

This presentation by Ernst van Zuijlen and Chris Westra at the We@Sea Conference highlights innovative strategies to achieve significant cost reductions in offshore wind energy by 2020. Key topics include the target of €100/MWh for levelized costs, the impact of larger turbines, risk management, and the importance of competition, economies of scale, and standardization. Additionally, findings from the Netherlands illustrate successful approaches in technology advancements and policy frameworks to facilitate cost-effective offshore energy solutions.

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Cost Reduction Strategies for Offshore Wind Energy: Insights from We@Sea Conference

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  1. Costreduction offshore windATO/We@Sea conferenceErnst van Zuijlen / Chris Westra6 december 2012

  2. Target of the TKI • Costreductionby 2020 O&M Costs COSTS YearlyCosts WACC Depreciation COSTPRICE Finance / risk Levelisedcosts / kWh Capital 40% OUTPUT 1/ Yearly Output Gross Output Losses COSTS COSTPRICE

  3. Target • Levelised costs offshore wind at € 100 / MWh 2010: 166 €/MWh 2020: 99 €/MWh

  4. Actual average Capex (per MW) dssdsdsd adapted from Greenacre et al. (2010).

  5. Further cost increases • Planning and consent procedure • Building and operational Risk • Experiences (grout, gear boxes......) • Perception of risk • Lack of standardisation • Further at sea, deeper water

  6. Bigger, deeper, further

  7. UK findings (cost reduction; 1) • Larger turbines with higher reliability and energy capture and lower operating costs. • Increased competition in key supply markets

  8. Innovative turbines Norwegian Sway 10MW offshore wind turbine, the ST10. The company claimed an estimated 15-20% reduction in turbine cost, and a considerable reduction in cost per kWh produced.

  9. UK findings (cost reduction; 2) • Economies of scale and standardisation (mass produced deeper water foundations. • Optimisation of installation methods. • Wind farm design en supplier involvement • Reduced WACC!!

  10. The Dutch approach • R&D: TKI / FLOW / we@sea programme

  11. Project Leeghwater • A demonstration / pilot plant PILOT PLANT ~100 MW About 8 consortia x 2 installations @ 6 MW DEMONSTRATION FARM ~200 MW • Various consortiafor test projectswithin the pilot plant • (BOOT)

  12. Dutch cost reduction policy options Measures to be taken by the government: • Socialisation of the offshore grid • Long term stable policy • Optimised regulatory framework • Risk sharing (finance) • More space available close to the shore(Hollandsekust)

  13. Spatial planning Hollandse Kust concept concept Aanwijzing HK en TNW (2 Nautical miles (NM) and 5 NM from platforms) ( 500 meter from shipning lanes Option with minimal space Option with maximal space 2 oktober 2012

  14. NL Translation UK findings (Ecofys) • All efforts needed: • R&D • Demonstration • Market development • Socialisation of grid costs • Policy optimisation • Reduction of finance costs

  15. A leading role for the Dutch? • Support structures • Transport, Installation & Logistics • O&M • Project development • Port facilities

  16. Dutch contributions XEMC-DarwinD 2B-Energy Of de DOT: “Delft Offshore Turbine”?

  17. Dutch contributions • Smart scour protection

  18. Dutch contributions • Transfer systems for personnel and “small” components

  19. Dutch contributions • Slip joint • (no grout, no transition piece)

  20. Dutch contributions • Integrated design of foundation and tower

  21. www.tki-windopzee.nl

  22. Next goal: implementation MW per year (left) Total MW (right) Start of implementation Q10 Gemini 2 Pilot plant + Demofarm Gemini 1 Amalia enEgmond * * * * * * * * * * *

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