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InStream

Hydrokinetic

Turbinein

Ruby,Alaska

BureauofIndianAffairs

TribalServiceProvidersConference

Anchorage,AK

December4,2008BrianHirsch&MontyWorthington

YRITWCEnergyDepartment

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YukonRiver

Watershed

YRITWC66Tribes&FirstNations

Treaty based

VISION: DrinkwaterdirectlyfromRiver

within50years

Cleanwater

needs

cleanenergy

Municipalitiesasobserver/participants

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Definition

Hydrokinetic: MovingWater (nodams!)

Includesboth

Ocean

(tidal)

and

River

(in

stream)

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HydrokineticVariations

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ProjectDevelopment

Process

CommunityPriority&LocalChampion

Conservation/Efficiency ResourceAssessment Technical&EconomicFeasibility(incl.permitting) CommunitySupport&Partnerships

Partners:YRITWC;RubyTribalCouncil;RubyCity;ABSAlaskan;NewEnergyCorporation

Supporters: AEA&ANA

Implementation

Plan,

including

long

term

O&M Funding Doit!

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ResourceAssessmentWater

Speed

Profile

of

YukonRiveratCircle

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Challenges/Considerations

River

Trash (Debris) Ice&breakup

Silt

WaterSpeed

Anchoring

PowerDeliverytoShore

NavigableWaters

Fish

Permitting

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Permitting&

Related

Issues

y WaterRights&LandUse DNR

y

Fish

Habitat

and

Fish

Collection

(impact

study)

ADF&G

y CoastalZoneManagement

y USArmyCorpsPermit(Section10):Multiagency

y FERC

PreliminaryPermit:

Up

to

3years

to

show

progress;exclusiveright todevelopandapplyforPilotProject&Fulllicense

y FERCPilotProjectLicense:Upto5yearstoproveouttechnology

y FERCFullPermit: 3050years

y CoastGuardnotification

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Anchoring Directional Buoy

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Dead ManAnchor &ElectricalDisconnects

DontForgetYour

Rock Drill!

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Surface Diversion Boom

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Diversion BoomSet In Place

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Towing Pontoon Into Position

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Inspecting Generator

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Grid Integration

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CurrentSpeedImpact

fromRiver

Debris

Location: At Anchor

Bouy Depth: 29.5 ft

TIMESTAMP RECORD Velocity_Ms1_Tot Velocity_Ms2_Tot Velocity_Ms3_Tot Velocity_Ms4_Tot

9/6/2008 12:19 18 1.185 1.152 1.145 1.138

9/6/2008 12:20 19 1.175 1.145 1.134 1.127

9/6/2008 12:21 20 1.186 1.164 1.166 1.159

Location: Directly in

front of Turbine;

behind A-Frame Depth: 15.5 ft

TIMESTAMP RECORD Velocity_Ms1_Tot Velocity_Ms2_Tot Velocity_Ms3_Tot Velocity_Ms4_Tot

9/6/2008 15:26 37 0.573 0.917 0.963 0.892

9/6/2008 15:27 38 0.572 0.907 0.94 0.915

9/6/2008 15:28 39 0.567 0.925 0.963 0.892

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Winter Removal

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Safe Storage for Winter

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OtherEnergyOptions

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LessonsLearned

ItWorks!(proofofconcept):

Producespower

(self

starts);

diversion

boom;

grid

integration

Performanceimprovements/cost

reduction: Bettercurrent;anchoringsystem;turbinedesign

forlowercurrent;anchorlinedebris

ToBe

Determined:

Fishimpacts;permitting;datamonitoring&ongoingresourceassessment

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TheFuture

Mobility ScaleitUp!

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25 kWTurbine

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ForMore

Information

y YukonRiverInterTribalWatershedCouncil:www.yritwc.org

y AlaskaEnergy

Authority:

www.akenergyauthority.org

y ElectricPowerResearchInstitute:www.epri.com/ocenergy

yNew

Energy

Corporation:

www.newenergycorp.ca

y ABSAlaskan: www.absak.com

y AlaskaCenterforEnergy&Power:www.alaska.edu/uaf/cem/ine/acep/

y OceanRenewable

Power

Company:

www.oceanrenewablepower.com