hywind sheringham-shoal

HyWind and Sheringham ShoalØistein Johannessen

Vice President Communications

Technology and New Energy

Statoil’s threefold strategyMaximise resource

potential on the Norwegian shelf

International growth

Stepwise growth within New

Energy

Harsh environment

Deep water

Heavy oil

Gas value chain

Hywind – slender cylinder concept

• Decision to invest was taken in May 08

• Experience and knowledge from the petroleum sector have been essential to progress concept

Contractors

• Siemens

• Technip

• Nexans

• Haugaland Kraft

• Enova

Key data and characteristics of demo concept

Main Data

WTG: Siemens 2.3 MW

Turbine weight: 138 tons

Draft: 100 m

Displacement: 5300 m3

Diameter at water line: 6 m

Water depths: 120-700 metres

Characteristics

• Steel tower and substructur

• Dynamic pitch regulation

• Completed at inshore site

• Towed upright to field

• Designed for extreme North Sea conditions

Lift of hub including blades on 13 May 2009

Official opening 8 September 2009

Status Hywind

• Normal unsupervised operation started on 21. December 2009

• Produced more than 4,5 GWh from 23.12-15.08

• From March to August capacity above 40%

• Less alarms than anticipated

• Movements of turbines has proven to be less than anticipated through simulation models

• Technical verification documented by September 2010

Long way from idea to commercial concept

Demo

Medium park

Technological Focus

Cost Focus

Market Focus

Model test

Concept & theory

Onshore connected parks

2001

2005

2009

201x??

Sheringham Shoal Offshore Wind Farm

• Scira Offshore Energy Ltd.

• 50 years lease agreement with The Crown Estate

Sheringham Shoal Wind Farm

Scira Offshore Energy Ltd.

• Statoil 50%, Statkraft 50%

• Statoil is operator for Scira during the Development and Construction Phase

− Manager for construction activities and preparation for operations

• Scira will be responsible for the operation and maintenance phase

− Personnel working for Scira during the O&M phase will be a mix of secondees from the owners, local employees and service contractors

Wind Farm Highlights

Project Highlights

• Installed capacity 317 MW

• 35 km2 wind farm appr. 20 km off the coast

• Water depth 17m – 22m

Development Concept

• 88 wind turbine generators, each 3.6 MW

• 2 offshore substations

• Submarine infield cables (33 kV)

• Submarine export cables (132 kV) to shore

• Ca 22 km underground cabling from shore to Salle

• Connection to regional grid (EdFE) at Salle for further connection to National Grid (NGET) at Norwich

Schedule and Cost

Status

• Onshore construction ongoing

• Harbour development complete

• Foundation installation started

2010

• Install foundations and cables offshore

• Commissioning onshore substation

2011

• Install offshore substations

• Install wind turbines

• First production of electricity 2Q

• Installation complete by 4Q

• Final commissioning and capacity testing

Total estimated cost:

• £ 1 billion

Multi-contract strategy

Wind Turbine Generators EPC(I) Siemens

Foundations EPCI MT Højgaard

Electrical Infrastructure EPCI AREVA T&D

Subsurface Export and Infield Cables EPC Nexans Norway AS

Onshore cable EPCI Carillion Utility Services

Cable Installation Visser and Smit

WTG Installation vessel Master Marine ASA

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