Green Cat Renewables is a consulting firm that specializes in the development and construction of onshore wind farms. They have experience with projects ranging from single turbines to multi-turbine projects up to 85MW. The development process involves feasibility studies, planning applications, design work, tendering construction contracts, and overseeing construction which includes site preparation, turbine installation, and commissioning. Financial due diligence and securing financing is also part of developing a project before handing it over for long-term operations. Green Cat Renewables has grown significantly over the past decade to now employ over 40 people across multiple offices in the UK.

1. Development and
Construction of On-
Shore Windfarms
Andrew Aveyard
Green Cat Renewables
Jim Wilkinson
CA Blackwells

2. Green Cat Renewables
• + 40 Environmental Consultants, Engineers, and Legal
Support
• 4 offices in Scotland and England
• Construction projects have ranged from single
turbines (0.33MW) too a 11.5MW project
• Planning projects range upto 85MW project (25
turbines)
• +50 turbines and 60MW operational (+2% Scottish
on shore turbines, +50% small scale [sub 10mw])

3. Services
• Owners Engineer
• Banks Engineer
• Project / Portfolio Due Diligence

4. Andrew Aveyard
• Engineering Team Leader 2010 – to date
• Grown from 2 staff up to 12 technical staff
• Grown from 4 turbines a year up to 55 turbines due
in 2012
• Grown annual turnover from £120k up to £890k

5. Planning Process
• Feasibility
• Scoping
• Planning Application
• Planning Consent

6. Development Process
• Project Review, Financial options & Risk Assessment
• Geotechnical Site Investigation
• Civil / Electrical Design
• Tender Process
• Purification of pre-construction planning conditions
• Financial and Technical Due Diligence
• Site Preparation (access roads, crane hardstandings)
• Turbine Construction
• Operations

7. Development Model
• Secured finance
• Non recourse finance

8. Contract Structure
• Balance of Plant
• Multi Contract
Choice based on risk assessment and
agreement on who will carry what risk

9. Project Review
• Project
• Planning Conditions
• Grid Connection
• Wind Resource
• Finance options
• Turbine options
• Contractor options
• Programme
• Risk Assessment

10. Site Visit

11. Site Visit

12. Site Visit

13. Geotechnical Investigation

14. Geotechnical Investigation
• Feasibility
• Scoping
• Planning Application
• Planning Consent

15. Design
• Civils (access road, crane hardstanding and drainage)
• Foundations
• Electrical (cable layout)
• Off site works (road widening, junction
improvements, ect)

16. Design

17. Design

18. Tender Process
• Form of Contract
– Design and Build
– Construct
– Lump sum
– Rates and Measurable

19. Purification of Pre-construction
Planning Conditions
• Construction Method Statement
• Route Access Report
• Archaeology
• Ecology
• Radar / MOD
• Operational Conditions

20. Financial & Legal Due Diligence
• Funding Documents
• Security Documents
• Bank Guarantees and Bonds
• Direct Agreements
• Power Purchase
• Turbine Supply and Maintenance Documents
• Property Documents
• Consents
• Construction Documents
• Corporate Documents
• Insurance Documents
• Financial Model
• Bank Accounts

21. Technical Due Diligence
• Planning Overview
• Wind Resource
• Turbine Supplier
• Contractor
• Ground Conditions
• Transportation and Road issues
• Work Schedules
• Civils and Construction Works
• Grid Connection
• Metering
• Communications
• Construction Works

22. Financial Close
• 10% equity from Client
• Funds made available
• Grid Connection Deposit and Turbine Deposit
• Principal Contractor formally appointed
• Construction able to commence

23. Construction

24. Turbine Construction
• Turbine manufacturer
– Foundations loads, design or completion
– Turbine delivery
– Turbine erection
– Internal electrics
– Commissioning

25. Turbine Construction

26. Turbine Construction

27. Turbine Construction

28. Turbine Construction

29. Turbine Construction

30. Turbine Construction

31. Turbine Construction

32. Turbine Construction

33. Turbine Construction

34. Post Construction
• Commissioning
• Take over
• Snagging
• OFGEM
• PPA

35. Operations
• OFGEM: monthly returns and queries
• Council: monitor operational conditions
• Operations monitoring: generation & hardware

36. Development & Construction of on On-
Shore Windfarms
Questions