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[1]

Offshore Wind Development

Prof. Leonard Bohmann

2

Growth in Offshore Wind

http

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3

Cost trends of offshore wind

http

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ysis

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4

Distance to shore trends

http

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5

Depth and distance to shore

http

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6

Plant capacity over time

http

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7

Capacity factors over time

http

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8

Turbine size over time

http

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9

Hub heights over time

http

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10

Rotor diameter over time

http

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11

Drive train configuration prototypes

http

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12

Substructures of installed turbines

http

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13

Array cable and export voltages

http

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[14]

US Offshore Wind Projects

http

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[15]

https://umaine.edu/news/blog/2013/05/30/the-launch-of-volturnus-18/

Aqua Ventus, Monhegan Island, Maine

[16]

Commercial Offshore Wind Development

http

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516

[17]

Atlantic Wind Connection

• HVDC network using VSC

• To be built in 3 stages

• Has FERC approval

Project Icebreaker, Lake Eire

http

://w

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.leed

co.o

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19

US Gulf Coast natural gas price

[20]

Questions?

[21]

Mid-Atlantic wind lease areas

• Bureau of Ocean Energy Management lease areas

• Deapwater Wind leased 2 tracts in brown area

• Dominion Power leased 1 tract in blue area.

[22]

Fisherman’s Energy, Atlantic City, New Jersey

http://www.fishermensenergy.com/atlantic-city-windfarm.php

[23]

Virginia Offshore Wind Technology Advancement Project

https://www.dom.com/about/stations/renewable/vowtap.jsp

[24]

Aqua Ventus, Monhegan Island, Maine

http://www.cianbro.com/ProjectsMarkets/PowerGenerationEnergy/VolturnUS18FloatingOffshoreWindTurbine.aspx

[25]

United States Wind Resources

[26]

North American electric load

http://inkfish.fieldofscience.com/2011_05_01_archive.html

27

Renewable Portfolio Standard Policies.. www.dsireusa.org / March 2013.

29 states,+ Washington DC and 2

territories,have Renewable Portfolio

Standards (8 states and 2 territories have renewable portfolio

goals).

US Renewable Portfolio Standard

[28]

US Wind Capacity by State

http://www.windpoweringamerica.gov/wind_installed_capacity.asp

EWITS Scenario 3 Generation Siting

http

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.nre

l.gov

/ele

ctric

ity/tr

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30

Challenges

• Costs • Regulatory process – leases, permits • Logistics – lack of ports and ships • Transmission infrastructure

[31]

US Department of Energy

Off Shore Demonstration Projects

http://www1.eere.energy.gov/wind/index.html

[32]

Statoil, Boothbay Harbor, Maine

http://www.renewbl.com/ 2011/06/28/statoil-selling-onshore-wind-assets-in-norway-moves-focus-on-offshore-wind.html

[33]

GOWind, Gulf of Mexico, Texas

http://www.baryonyxcorp.com/

[34]

Lake Eire Project

Wind Float, Coos Bay, Oregon

https://www.facebook.com/principlepower/photos_stream

[36]

Coos Bay Project

[37]

Other Offshore Projects

[38]

Galveston Offshore Wind (Costal Energy)

[39]

Boothbay Harbor, Maine project

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