Offshore Wind Energy

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Offshore Wind Energy Presented to the Philadelphia Section Society of Naval Architects and Marine Engineers Wednesday, October 20, 2010 · Philadelphia, PA

Horns Rev, Source: www.mlit.go.jp

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Example Offshore Wind Park Layout

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Offshore Wind Works By the Numbers 9 countries with completed offshore wind parks 16 wind parks under-construction (during Q1 & Q2 2010) 43 830 1991 2396 3972 34000

completed offshore wind parks wind turbines installed (by year-end of 2009) year of first offshore wind installation MW of total installed capacity (as of June 2010) MW of capacity under-construction (during Q1 & Q2 2010) MW of capacity awarded in UK “Round 3”

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Offshore Wind Market – Europe European Market Projection

2009 EWEA Report

“Oceans of Opportunity” over 100 GW planned • • •

Oceans of opportunity

Europe’s offshore wind potential is enormous and able to power Europe seven times over.

Huge developer interest

Over 100 GW of offshore wind projects are already in various stages of planning. If realized, these projects would produce 10% of the European Union’s electricity.

Repeating the onshore success

EWEA has a target of 40 GW of offshore wind by 2020, an average annual market growth of 28%. The EU market for onshore wind grew an average 32% per year from 1992-2004. Source: EWEA

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Why Go Offshore With Wind? WIND

POPULATION

RPS

Slide 5

East Coast at Night

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Offshore Wind Market – United States U.S. Offshore Wind Projects (Ocean) Project

U.S. Offshore Wind Industry Highlights

State

Size in MW

Cape Wind

MA

468

Hull Municipal

MA

15

Rhode Island

RI

379

New York Power Authority

NY

700

New Jersey BPU

NJ

1050

Bluewater Wind

DE

450

Southern Company

GA

10

W.E.S.T.

TX

300

TOTAL



• •

• •



3372

“… we are establishing a program to authorize… the leasing of federal waters for projects to generate electricity from wind … this will open the door to major investments in offshore clean energy … there is enormous interest in wind projects off the coasts of New Jersey and Delaware, and today’s announcement will enable these projects to move forward.” President Barack Obama, April 22, 2009

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• •

U.S. Department of Energy (DOE) report 20% Wind Energy by 2030 included 54 GW offshore to accomplish that goal. DOE recently announced A National Vision and Call to Action for creating a U.S. offshore wind industry. $100M allocated to offshore wind research and test facilities through the American Reinvestment and Recovery Act. RI and NJ completed competitive processes for proposed projects. A DE utility has signed a ratified Power Purchase Agreement (PPAs) with a developer. PPAs have been signed in MA and RI as well. NJ passed the Offshore Wind Economic Development Act, providing for energy certificates, tax credits, and financial incentives Significant interest in the Great Lakes, including competively-bid RFPs for a pilot project in OH and utility-scale project in NY. First federal lease signed for project in MA, under preliminary leasing process. Federal leasing process initiated off of DE and anticipated to begin near-term for projects off the coast of MD and VA.

Offshore Wind Market – United States

Source: U.S. Department of Energy

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Foundation Types

Tripod

Monopile

Gravity-Based

Jacket

Tripod

Tripile

Floating

Source: Ramboll

Source: Ramboll

Source: Ramboll

Source: Ramboll

Source: Bard

Source: Statoil-Hydro

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Offshore Wind Turbines A

B

C

A| Vestas V90, 3 MW B| Vestas V112, 3 MW C| Siemens SWT-3.6-107, 3.6 MW D

E

F

D| REpower 5M, 5 MW E| Bard 5.0, 5 MW F| AREVA Multibrid M5000, 5 MW Image Sources: (a) vestas.com, (b) vestas.com, (c) w1.siemens.com, (d) repower.de, (e) bard-offshore.de, (f) multibrid.com

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Offshore Wind Park - Design Spiral START Identify Layout and Plan Operations

CONCEPT DESIGN PRELIMINARY DESIGN DETAILED DESIGN

General Characteristics (e.g. energy output, site)

FINISH Identify Foundations, Structures, and Installation Method

Site Data (e.g. wind resource, water depth) Identify Components (e.g. turbine)

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Design Standards

Slide 12

Engineering Analysis - Examples

Source: DNV

Slide 13

Marine Activities Overview ™ Pre-Construction

™ Construction

– Avian Studies

– Foundation Installation

– Geophysical Investigations

– Sub-sea Electrical Cable

– Geotechnical Investigations – Met Tower Installation

Installation – Offshore Substation Installation – Turbine Installation

– Wave Sensor Deployment – Staging Port Development

™ Post-Construction – O&M Activities – Decommissioning

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Avian Studies Overview of Studies • Visual Transects – Requires moving vessel – Conducted in all seasons

• Radar – Requires stationary platform – Conducted during spring and fall migration periods Source: www.capecodtoday.com

Slide 15

Source: www.detect-inc.com

Site Characterization Geophysical and Geotechnical Investigations

Source: www.alpineocean.com

Source: http://oceanexplorer.noaa.gov

Source: www.fugro.com

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Wind & Wave Sensor Deployment Additional Inputs for Design Process • Deploy wind buoy for sitespecific wind information • Supplements NOAA records and wind models

• Records ocean current profiles and directional wave measurements at project site • Deployed in trawl-resistant bottom mount (TRBM) • Serviced approx. every 90 days

NOAA Station #44009 Source: RERL U-Mass

Source: www.ndbc.noaa.gov

Slide 17

Met Tower Installation Met Tower Designs

Cape Wind

Horns Rev Slide 18

W.E.S.T.

Met Tower Instrumentation Platform Can Support Additional Equipment

Avian Radar

Beatrice, Source: www.detect-inc.com

Acoustic Wave & Current Profiler

Source: NortekUSA Presentation to Bluewater Wind

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LIDAR

Source: Oldbaum Services Presentation at EWEC 2007

Staging Port Development Receive and Pre-Assemble Components

Scroby Sands, Source: www.2004ewec.info

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Slide 21

Foundation Installation Handling a Monopile

Source: RPS Energy Presentation

Slide 22

Foundation Installation Handling a Transition Piece

Source: www.Q7wind.nl

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Sub-sea Electrical Cable Installation Receive, Deploy, and Connect Cables

Source: www.q7wind.nl

Source: www.mika.no

Slide 24

Source: www.q7wind.nl

Offshore Substation Installation Lifting a Transformer Platform

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Turbine Installation Assembling a Tower and Lifting a Bunny Ear

Source: www.mammoetvanoord.com

Slide 26

O&M Activities Accessing a Wind Turbine

Source: www.eurocopter.co.uk

Slide 27

Decommissioning End of Project Life

• At the end of project life turbines will be removed. • The removal sequence is roughly the reverse of the construction sequence.

Slide 28

Existing Installation Approaches A

B

C

D

E

F

G

H

Sources: (b) A2Sea / Mike Page, (e) www.geotimes.org, (f) www.gl-group.com, (h) www.semcollc.com

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Turbine Installation Vessel – Wärtsilä Design

Slide 30

Turbine Installation Vessel – TIGER Grant • Tiger Grant (Round II) application by Philadelphia Regional Port Authority (PRPA) in collaboration with NRG Bluewater • Tiger Grant (Round II) funds were requested to support the construction of one Wartsila design turbine installation vessel (TIV) at the Philadelphia Aker Shipyard • Grant award announcements expected before the end of 2010

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Contact Information

Kevin Pearce, NRG Bluewater Wind [email protected] 201.850.3691

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