EURoPEan stUDy

oFFshoRE WinD FaRM oPERations & MaintEnanCEBEnChMaRks, Costs anD BEst PRaCtiCEs FoR CURREnt anD FUtURE WinD FaRMs

» How well does the industry manage O&M today and at what cost? » What changes in strategy, techniques and control will provide quick gains in O&M performance? » What effects will changes in the industry, technology and service provision have upon O&M requirements and costs?

Gain UniQUE insiGhts into: » OPEX and life cycle costs for o≠shore wind farms » Benchmarks for reliability, availability » The best strategies and systems for cost effective operations » Wind farm accessibility and transfer methods » Technical and business impacts on future wind farm O&M performance

DVV MEDia GRoUP

stUDy oBjECtiVEs anD BEnEFits

T.A. Cook is a firm focusing on Asset Performance Management with offices in Berlin, Birmingham, London, Raleigh and Rio de Janeiro. Its skills include consulting, events and research to improve the operational performance of asset-intensive industries worldwide.

T.A. Cook Research & Studies delivers unique research tailored to the needs of specific industries. Study areas currently include industrial shutdown and turnaround management, RFID as well as O&M in the offshore wind energy industry.

T.A. Cook typically works with businesses, suppliers and contractors working with significant industrial assets. The company has particular expertise in the oil & gas, petrochemicals, plastics, pharmaceutical, transport, mining and food sectors as well as gas, water and electricity utilities.

www.tacook.com

the offshore wind industry has seen a dramatic increase in concern over the costs and practicalities of operations and maintenance (o&M). there are strategic and operational concerns in the market: strategically, projects will find finance more accessible and affordable if they can demonstrate properly developed o&M policies and costings for their planned wind farms; operationally because people need to know what challenges they are likely to face throughout the wind farm lifetime. however, while in broad terms the industry is aware of problems arising from unforeseen failures or costs, objective data related to costs and performance has been hard to obtain from multiple sites to provide reliable benchmarks for o&M performance and practices.

this international study brings together critical information and analysis in one clear and digestible report; providing much-needed information on o&M costs, practices, cost drivers and the future evolution of o&M. this provides concrete information for the first time to the whole offshore wind industry including policy setters, R&D organisations, investors and manufacturers as well as wind farm operators and developers.

Because of the confidential nature of the source data, some information is presented as averages, aggregates or in an anonymised fashion. however, this provides the only comprehensive and coherent opportunity to benchmark o&M activities, costs and performance against the rest of the industry.

aBoUt t.a. Cook REsEaRCh & stUDiEs

this stUDy WiLL BEnEFit: » Offshore wind farm owners maximising long term revenues » Developers planning cost efficient offshore wind farms » Investors forecasting financial returns from wind farms » Policy-makers evaluating efficient long term incentives for offshore wind » Manufacturers developing more reliable components and systems » Transport and access providers evaluating business opportunities » Researchers developing more robust wind farm technology and systems

1 Management summary

2 German summary

3 Background and objectives3.1 objectives3.2 importance and role of o&M for operators,

developers, financiers and insurers3.3 Methodology and approach3.4 offshore wind farms – an overview3.4.1 Existing offshore wind farms3.4.2 Planned offshore wind farms

4 Life Cycle Cost of offshore wind power4.1 Cost elements4.1.1 CAPEX for planning and installation4.1.2 Operations and Maintenance Cost4.2 Lifetime cost4.3 asset reliability impact on oPEX

5 o&M in existing offshore wind farms5.1 Wind farm certification and inspection5.1.1 Drivers for certification and inspections5.1.2 Types of inspection5.2 o&M strategies5.2.1 Major elements of O&M strategies5.2.2 Impact of O&M strategies on wind farm

design5.3.1 Reactive (corrective) maintenance5.3.2 Scheduled preventive maintenance5.3.3 Condition based maintenance

5.4 key Performance indicators for o&M5.4.1 KPIs for O&M work preparation and

scheduling5.4.2 KPIs for materials and procurement5.4.3 KPIs for the work order process5.4.4 KPIs for financial performance5.5 offshore o&M organisation5.6 Wind farm transfer and access strategies

6 trends, opportunities and risks6.1 Evolution in asset design and manufacturing6.2 technological evolution to improve failure

prediction6.2.1 Gearbox and Bearing6.2.2 Generators6.2.3 Power Electronics and Electric Controls6.2.4 Rotors and blades6.2.5 System-Level Fault Detection and Response6.3 Developments in wind farm accessibility6.4 Changes in the o&M Market6.5 o&M Bottlenecks6.6 Conclusions

7 appendices7.1 List of figures7.2 List of tables7.3 References

Study Scope

ContEnt

cuStoMISedINFoRMAtIoN SeRVIceOn request, T.A. Cook can customise your report to meet your specific needs. Do you want to see how your wind farm compares with the rest of Europe? Do you want to test your OPEX predictions against current figures? Contact us and we can arrange to create and send you a unique report matching your needs.

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ContaCt Us

ContaCtFor further information on this study or on T.A. Cook’s Research & Studies group, please contact Mateus Siwek at: Tel.: +49 (0)30 - 88 43 07 0email: m.siwek@tacook.com | T.A. Cook & Partner Consultants GmbH | Leipziger Platz 2 | 10117 Berlin | Fax: +49 (0)30 - 88 43 07 30 | www.tacook.com

FaX: +49 (0)30 - 88 43 07 30study Europe: offshore Wind Farm operations & Maintenance

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