Bottlenecks in the supply chain

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Bottlenecks in the supply chain

• Albert Winnemuller - Vestas Offshore A/S

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Agenda

• Summary
• Installation capacity
• Harbours
• Sub sea cables electrical infrastructure
• Consents
• Competition from offshore oil gas

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Highlights

• Very positive predictions for installation of
  offshore wind farms
• Limitations on how many MW it is possible to
  install offshore, with the current situation of
  suppliers to the industry
• A more stable supply chain must be established
• New investments in equipment must be made

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Installation capacity

• Selection of currently available vessels
• Specialized semi jack-up vessel, 2-4 WTG
  Specialized jack-up, 6 WTG

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Installation capacity

• With the present vessel capacity an under
  capacity is reached already in 2009
• 2 installation days per turbine is roughly
  todays average
• Improvement to 1,5 installation days per turbine
  would have large effect
• From 2010 0n
• (with 180 days effective per year
  
  mob/demob/weather)
• 5 vessels required
• Foundation installation is not
  
  included in vessel demand.

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Installation capacity

• The present vessels can not lift turbines bigger
  than the present offshore product program
• Lead time new vessels significant initiatives
  underway
• With courtesy of Subwind
• Float off including foundation

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Installation capacity

• Further initiatives
• Jack-up, 6-8 WTG
  Specialized jack-up, complete WTG
• With courtesy of GustoMSC

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Installation capacity

• For cable installation the competition from the
  offshore industry makes it difficult to get any
  vessels at all
• Shortage on cable installation contractors with
  good track record

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Installation capacity

• Where diving operations are required both
  educated divers as well as the appropriate diving
  equipment is in short.

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Harbours

• Size of onshore areas to accommodate onshore
  preassembly

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Harbours

• Strength of quay sides not sufficient

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Harbours

• Appropriate access onshore as well as offshore
• Tidal restrictions
• Both on the east and west coast of the UK the
  above is a problem
• Reluctance from harbours to commit them selves

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Sub sea cables electrical infrastructure

• Few suppliers
• Long lead times

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Sub sea cables electrical infrastructure

• Price increases due to increase in cupper prices

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Sub sea cables electrical infrastructure

• Substation equipment such as step-up
  transformers, compensation systems and reactors

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Sub sea cables electrical infrastructure

• Common grid for German offshore projects needed
  to make the market take off

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Consents

• The approvals / consents for onshore grid
  connections take too long time
• The general consenting process is to complicated
  and time consuming

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Competition from offshore oil gas

• The oil gas industry are using the same marine
  suppliers and have larger budgets available
• There is an under capacity on almost all offshore
  related skills
• Reluctance to provide quotations where
  availability is guaranteed

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Questions?