Marine and River Hydrokinetic

Energy Projects in Alaska Presented to the Business of Clean Energy Conference

April 29, 2010

Monty Worthington, Director of Project Development, Alaska

What is hydrokinetic energy?

•! Energy harnessed from moving water

without the use of dams or impoundments

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River Hydrokinetic Projects in Alaska •! YRITWC Ruby Huydrokinetic

Project Using 2.5kW New Energy

Encurrent Turbine

•! AP&T Project in Eagle using 25kW

New Energy Encurrent Turbine

•! ORPC Nenana RivGen Power

Project and AHERC Nenana

Hydrokinetic Test Site

•! Whitestone project

•! Igiugig Project

•! Tanana Power Co. project using

undershot water wheel design

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Alaska’s first Hydrokinetic project installed in August 2008

The Yukon River

Inter-Tribal Watershed

Councils’s Hydrokinetic

Project at Ruby,

Alaska Utilizing the modified New

Energy 2.5kW Encurrent Turbine

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AP&T’s project at Eagle Alaska installed in 2010 using Encurrent 25kW turbine

AP&T installed the

Encurrent 25kW in 2010 turbine system was

operating successfully by the end of the summer

running , although debris

caused significant down time

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Tanana Power Corp undershot waterwheel design

•!Tanana Power Co.

Inc has been working on design

and testing of undershot

waterwheel design

since 2008 at Tanana on the

Yukon River

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ORPC’s Nenana RivGen™ Power Project

•!Plan to install

prototype anchoring and bottom support

frame in summer 2011

•!RivGen™ TGU will

be tested in

Eastport Maine in the coming year

•!RivGen™ Power

System will be installed and tested

at Nenana beginning in 2012

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AHERC Nenana Hydrokinetic Test Site

•!Working in partnerhsip with ORPC to develop ORPC’s Nenana Permit area into Hydrokinetic Test Site

•!Performing Site Characterization and environmental work since 2008

•!Working with ORPC, AP&T and have EETF proposal to test Vivace device

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Tidal Power In Alaska •! Over 90% of the total potential of the entire US

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Marine Hydrokinetic Projects in Alaska •! ORPC’s Projects in Cook Inlet

•! East Foreland

•! Fire Island

•! Dillingham Tidal Hydrokinetic Project

•! Bristol Bay Campus lead

•! Proposing marinized 25kW Encurrent trubine

•! False Pass Feasibility Study

•! SouthEast Alaska permits and projects

•! Natural Currents

•! Archipelago Marine Energy

•! Wave Projects:

•! Yakutat

•! St.George

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ORPC’s Projects in Cook Inlet •!ORPC has two

projects in Cook Inlet

•!Fire Island –under

development since

2007

•!East Foreland –

under development

since July 2010, exploring

partnership with

HEA, will be ORPC’s

first installation in

Cook Inlet first TidGen™ device

deployment

scheduled for 2013

False Pass ocean/tidal

current project

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SE Alaska Tidal

•!Preliminary Permits - Natural Currents Energy Services

•!Killisnoo (Kootznahoo Inlet) - Angoon- 250kW

Red Hawk •!Gastineau Channel - Juneau - 400kW •! Sea Dragon Icy Passage - Gustavus - 300kW

Sea Dragon

Yakutat - Wave Energy

Alaska’s First Wave

Energy Pilot Demo

Now in Design stage

Aquamarine 65kW Oyster