Development and Construction of On- Shore Windfarms Andrew Aveyard Green Cat Renewables Jim Wilkinson CA Blackwells
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])
Services Owners Engineer Banks Engineer Project / Portfolio Due Diligence
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
Planning Process Feasibility Scoping Planning Application Planning Consent
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
Development Model Secured finance Non recourse finance
Contract Structure Balance of Plant Multi Contract Choice based on risk assessment and agreement on who will carry what risk
Project Review Project Planning Conditions Grid Connection Wind Resource Finance options Turbine options Contractor options Programme Risk Assessment
Site Visit
Geotechnical Investigation
Feasibility Scoping Planning Application Planning Consent
Design Civils (access road, crane hardstanding and drainage) Foundations Electrical (cable layout) Off site works (road widening, junction improvements, ect)
Design
Tender Process Form of Contract – Design and Build – Construct – Lump sum – Rates and Measurable
Purification of Pre-construction Planning Conditions Construction Method Statement Route Access Report Archaeology Ecology Radar / MOD Operational Conditions
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
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
Financial Close 10% equity from Client Funds made available Grid Connection Deposit and Turbine Deposit Principal Contractor formally appointed Construction able to commence
Construction
Turbine Construction Turbine manufacturer – Foundations loads, design or completion – Turbine delivery – Turbine erection – Internal electrics – Commissioning
Turbine Construction
Post Construction Commissioning Take over Snagging OFGEM PPA
Operations OFGEM: monthly returns and queries Council: monitor operational conditions Operations monitoring: generation & hardware
Development & Construction of on On- Shore Windfarms Questions