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  • 8/3/2019 30 Modular Wave Energy Transfer Shift Powe Solutions Vvedensky

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    1 | Program Name or Ancillary Text eere.energy.gov

    Water Power Peer Review

    Modular Wave Energy Transfer

    (WET)

    Jane Vvedensky

    Shift PowerSolutions

    [email protected]

    November 2011

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    2 | Wind and Water Power Program eere.energy.gov

    Purpose, Objectives, & Integration

    The Challenge:A renewable energy source that is persistent and consistent, with low operating

    cost, low environmental impact and rapid commercialization.

    This promotes the Program by:

    Producing continuous power from wave energy Providing a model product demonstrating a successful renewable

    Developing methods for rapidly commercializing new power technology

    Having a cost-effective system to replace or augment legacy systems

    Our Objective: develop & validate a generation system that Harvests energy from shoreline waves especially if they are destructive

    Can be brought to market quickly

    Can be integrated with grids, legacy systems, renewable sources andstorage facilities or used in isolation

    Works in variety of conditions & has a low energy cost when mass produced

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    3 | Wind and Water Power Program eere.energy.gov

    Technical Approach & Issues

    Our solution: a modular approach Many small repeating modules = lower manufacturing costs

    Not just one unit = mitigated points of failure

    Can be arranged in configurable sets and arrays = customize to site conditions

    Plug and play components = rapid changeover for maintenance, expansion or upgrade

    Maintenance by module swap-out = shutdown of entire system not required

    Designed for near-shore installations or man-made structures

    Potential installation siting and permitting obstacles reduced

    Can be used to reduce wave impact on structures

    Lower costs of installation, operation and maintenance since not in deep open water

    Solar Panel analogy: direct feed to local loads or combined for utilities

    Issues: Survivability

    How to reduce Cost of Energy

    Improve manufacturing techniques, materials and processes

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    4 | Wind and Water Power Program eere.energy.gov

    Unique Features & Accomplishments

    Unique because: Fast to market - first prototype at full scale

    Wide market - applicable to both small and large installations

    Organic-growth business model - steady, secure growth of experience & finance

    Accomplishments

    Invented a new generator design Dramatic cost reduction to current design Potentially more effective in converting energy to electricity

    Amended the initial design: Harvest both heave & surge More robust and survivable for marine environments

    Built and tested three generator iterations Improved initial design to quadruple output Lab tests extrapolated to known water conditions: 200-400 watts

    Redesigned manufacturing process Exploring significant cost-savings

    On budget on target

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    5 | Wind and Water Power Program eere.energy.gov

    Plan, Schedule & Budget

    ScheduleMilestone Deliverables Completion date

    Engineering system framework complete Feasibility study, design requirements Dec 14, 2011

    Design prototype Analysis results, engineering drawings Apr 26, 2011

    Build prototype Completion of panel, frame & generator Aug 26, 2011

    Test design to understand tradeoffs Generator output, wet-test results Nov 15, 2011

    Risk analysis Revised risk analysis and mitigation plans Nov 30, 2011

    Design improvement Revised design, manufacture & install plans Dec 15, 2011

    Budget:

    Variance: Scripps wave channel smaller, less expensiveSavings to be used for additional testing

    Expenditure: $337,383. 86% of overall budget.

    Budget History

    FY2009 FY2010 FY2011

    DOE Cost-share DOE Cost-share DOE Cost-share

    - - - - $240.0K $151.3K