1. UK’s First Commercial Scale Offshore Wind Farm 26th March 2003 NWP Offshore Ltd

2. Presentation Project Overview Construction Process Progress to Date Marking of Wind Farm on Admiralty Charts Stakeholder Involvement in Construction Process

3. Project Overview

4. 30 wind turbines, Vestas V-80 2MW 4-5 miles off Prestatyn / Rhyl Rectangular Turbine Array 800m Separation E-W 350m Separation N-S Cable landfall /grid connection at Rhyl Output equivalent to annual demand of approximately 50,000 homes North Hoyle - Main Parameters

6. Project History Summer 1999 - Install Monitoring Mast December 2000 - Crown Estate Invitation to Bid Spring 2001 - Awarded Licence to Develop August 2001 - Launch of “Juice” February 2002 - Submit Consents Application August 2002 - Obtain Consents October 2002 - Commence Onshore Works Summer 2003 - Offshore Construction Late 2003 - First Generation

7. Wind Farm Construction

8. Turnkey Contract Turnkey contractor is consortium of Vestas Celtic Wind Technology and Mayflower Energy Includes 5 year Warranty, Operations and Maintenance provision

9. Turnkey Contract - Major Suppliers Wind Turbines - Vestas Wind Turbine Installation - Mayflower Monopile Supply - Rheden Steel Monopile Installation - Seacore Subsea Cables - AEI Cables

11. Foundations 4m diameter, 275t (max), stored at Mostyn Installation by Seacore using Jack-up Barge “Excalibur” Pile towed out from Mostyn, lifted to vertical Hammer installed, drive to rockhead (10-15m below mudline) 3.7m hole drilled through pile, through overburden to required penetration Pile driven to required penetration Photo of Horns Rev Foundation

12. Progress Update

13. Progress to Date Construction plans (Environmental Management System, Oil Spill Contingency Plan etc) in place for construction phase Site establishment at Mostyn Onshore Works - Majority Complete –Sub-station, some cable laying still to be performed –Directional drill to be performed under sea-wall

14. Progress to Date Offshore Works –Modifications to Seacore installation vessel (in Liverpool) almost complete –Monopile supply on schedule, currently 8 piles stored at Mostyn –Piling about to begin Project “On Track” for commissioning in late Autumn

18. Marking of Wind Farm on Admiralty Charts

19. Construction Phase

20. Operations Phase

21. Stakeholder Involvement

22. “Safety at Sea” Seminar –Inform stakeholders of forthcoming activities –Methods of communication –Establish points of contact –Effect of wind farm on aids to navigation –Safety –Invite feedback Stakeholder Involvement

23. Invitees included –Port Authorities –Commercial vessel operators –RYA, RNLI, MCA, –Local councils –Sailing clubs –Fisheries consultees Stakeholder Involvement

24. Fisheries Liaison Officer Email –Notice of forthcoming activities Web Site –Progress Updates Stakeholder Involvement

25. davidbean@natwindpower.co.uk www.northhoyle.co.uk Points of Contact