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Juhl Wind Inc. Exciting New Electrical Storage Possibilities

Dan Juhl, Chairman and CEOWebsite – juhlwind.com

November 2011

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Juhl Wind – Committed to Community Based Energy

• Has completed 20 Community Wind Projects• Developed over 200 MWs of C-BED Wind Power to date• Provides Development, construction management, operations oversight and

maintenance on wind farms• Manufacture a 35 kw wind turbine and the SolarBank System• Offices in Woodstock (JWI) and Pipestone (NGPS) MN

Juhl Wind Inc.An established leader in Wind Power and

Community Based Renewable Energy Development.

•Juhl Energy Development•Juhl Energy Services

•Next Generation Power Systems

Zinc Redox (Flow Battery)Advantages

Zinc Redox Advantages

Low Cost Material cost System Cost

Efficient - 80% roundtrip Environmentally friendly Modular & scalable Durable - 20 year cycle life Safe

Not pressurized Ambient temperature

SIMPLE

Catholyte Tank

Anolyte Tank

ZincAnode

Graphite-FeltCathodeIon-Exchange

Membrane

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In: mining, transportation, water, and etc.

Out: sulfur dioxide , nitrogen oxide particulate matter, carbon dioxide, mercury and other air toxics.

Community Based Wind Projects/ Flow Battery

Community Based Wind Projects/ Flow Battery

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Juhl Wind Corporate Information

Website - www.juhlwind.com

Corporate HeadquartersJuhl Wind Inc.996 190th AveWoodstock, MN 56186877-584-5946507-777-4310

Chicago Office847 W. Fulton Market St.Chicago, IL 60661877-584-5946

Operations and Maintenance Office1502 17th. St. SEPipestone, MN 56258507-562-8090