maarten timmerman, evelop

Offshore Wind Farm Development & Geophysics

Maarten Timmerman

March 5th 2008


Presentation

Evelop / Econcern

Project Development

Development phase Offshore Wind Farms

Engineering & Procurement

Site Investigations

Data Integration – Design Basis


Evelop: Part of the Econcern group

Shareholders Econcern:-Management & Employees -SHV

Shareholders Ecostream:- SHV- Entrepreneurs Fund


A global player in the sustainable energy market

~100 employees

Target to develop 4000 MW - 5000 MW installed capacity

In-house: development, realization & contracting, O&M, financial engineering

Who is Evelop?


Organization chart

Evelop International

Financial Engineering

Evelop Projects(SPC Holding)

Real Estate & Energy Infra

Renewables Operations & Maintenance

Solar

Biomass digestion

SWAC

Wind offshore

Wind on land

Biomass combustion

Energy Infra

Commercial

Housing

Ecopower

Breeze

Q7

BEC1

Piscadera

Scira


Evelop Renewables

Onshore wind

Offshore wind

Biomass digestion

Biomass combustion

Solar

Sea Water Air Conditioning (SWAC)


Windpark Q7 Capacity 120 MW 125.000 households 23 km offshore Investment € 383 M Construction started

October 2006 Expected to be operational

spring 2008 First non recourse financed

offshore wind farm ever Euro Money deal of the year

award See also: www.q7wind.com


Scira

Capacity 315 MW 178.000 households 9 nautical miles offshore Investment € 800 M 2nd round, expected to be operational end 2010 Partner: StatoilHydro See also: www.scira.co.uk


Belwind

330 MW

350.000 households

46 km offshore

Investment 900 € M Expected to be operational

2009 – 2010


Project development from idea to realization and exploitation

Financial engineering

Initiation

Development

Construction

Operations &

Maintenance

Contracting


Development phase

Select site (data acq, desk research)

Land (or sea bed): buy, lease, concession

Permits (all: building, environmental, cables)

Engineering & procurement

Financing (equity, debt)

Insurance


Engineering & Procurement

Preliminary Site Assessment

Preliminary Design Basis

Conceptual foundation design

Site Investigations

Preliminary Foundation design

Design Basis

Tender procedure

Contract



Geological model of the site

Preliminary definition key geological processes

Preliminary Metocean conditions

Identification Geotechnical risks

Identification of areas insufficient information

Outline scope additional survey


Site Investigations

Geophysical Survey

Geotechnical survey

Metocean Study


Geophysical survey

Establish bathymetry

Identification and location of significant seabed features

Determination geometry of subsurface layers

Extrapolation of local geotechnical data across the site

Outline scope of Geotechnical survey


Bathymetry


Significant seabed features


Geometry of subsurface layers


Outline scope of Geotechnical Survey

Size, location and foundation type of any seabed structures.

Complexity of geological model.

Presence and distribution of geotechnical hazards.

Variability and uncertainty in geotechnical properties.


Outline scope of Geotechnical Survey


Geotechnical Survey

Refined geological model

variation in ground conditions

Idealized ground profile at foundation location

Geotechnical parameters for foundation design

Identification of geotechnical hazards


Geotechnical Survey


Refined Geological model


Parameters for foundation design


Metocean Data


Foundation Design


Data Integration – Design Basis

Site conditions

Codes standards and requirements

Design

Installation & Commissioning

Operation & Maintenance

=> Contracting phase


Questions??

maarten timmerman, evelop

Technology

site data acq

geotechnical properties

metocean data

foundation type

geological model variation

complexity of geological

land biomass combustion

contracting phase