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Nachman Shelef - Grid Scale Energy Storage
 

Nachman Shelef - Grid Scale Energy Storage

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From the Energy & eStorage Conference, September 11th 2011.

From the Energy & eStorage Conference, September 11th 2011.

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    Nachman Shelef - Grid Scale Energy Storage Nachman Shelef - Grid Scale Energy Storage Presentation Transcript

    • Grid-Scale Energy Storage Huge Opportunity Technology Barriers September 2011 Contact: nachman.shelef@gmail.com 1
    • Grid-Scale Energy Storage Huge long term opportunity Existing solutions are not good enough Technology breakthroughs are needed Barriers to mainstream adoption are coming down 2
    • Huge long term (2020+) opportunity After Wind and PV, the next huge renewable market is Storage 3
    • DRIVERS FOR THE MODERN GRID OFFERS A SOLUTION! DIGITIZATION OF INCREASED ENERGY STORAGE SOCIETY POWER QUALITY ECOLOGICAL DISPATCHABLE CONCERN RENEWABLES GROWTH IN INCREASED ENERGY ASSET CONSUMPTION UTILIZATIONFrom: DOE - IMRE GYUK
    • 5
    • Renewable Integration – the need 6
    • Renewable Integration – the need ERCOT wind curtailment 42% of the time EnStorage Confidential 7
    • Storage - a critical element of the future Grid 8
    • Grid Energy Storage ApplicationsBulk Storage (days – months, 10MW-1GW) Weeks Centralized Days Renewable IntegrationEnergy Storage Distributed 10KW-100MW) (1 – 12 hours, Hours End-User Grid Reliability Demand Management Renewable SmoothingPower Storage End-User Reliability (seconds – 2 hours, Minutes & 1KW-100MW) Grid Regulation Seconds 1KW 10KW 100KW 1MW 10MW 100MW 1GW 9 End-User Distribution - Transmission Generation
    • Sample Grid Energy Storage Applications 10
    • Many Grid Energy Storage Applications 11
    • Different technologies for different needs 12
    • Many Technologies installed for different needs 13
    • Only pumped hydro in significant use Cost important for mainstream adoption 14
    • Bulk Energy Storage Low Cost but Location Dependent Pumped Hydro  Limited growth opportunities  Most good locations developed Compressed Air (CAES)  Growth Opportunities  Dependent on Geology  Not pure storage 15
    • Cost is important for large scale adoptionToday – storage is more expensive than generation!Levelized Cost of Delivered Energy for Energy Storage Technologies Compared to CCGT 16Source - EPRI
    • Today costs higher than most mainstream benefits Application Value and System Cost Gap for All Technologies 17 Source - EPRI
    • Many Storage Technologiesbut today – not a lot of options that meet application needs and less that meet multiple application needs 18
    • Existing solutions are not good enough Technology breakthroughs are needed Requirements for Large-Scale Adoption of Grid-Scale Energy Storage • <$1,200/KW for a 6 hour AC system Cost • <$200/KWh DC Efficiency • >75% AC/AC • 10,000 deep cycles Durability • 15 year lifetime • <100ms to full power Speed • Fast charge and discharge • Not dependent on geologyLocation Flexibility • Transportable in containers Safety • No danger from hazardous or explosive material 19
    • The barriers to mainstream adoptionare coming down Storage Treated Like Other Renewable Solutions Storage recognized as a Incentives and Policy Barriers critical element of Mandates the grid Offset initial low Technology Price Barriers volume pricing Breakthroughs with Incentives and High Volume Performance Support for R&D Technology Barriers Breakthroughs 20
    • The likely Grid-Scale Energy Storagemarket situation 2015+High fuel pricesGHG (Green House Gas) marketCaps on new GHG emitting generatorsCaps on use of diesel generatorsMandatory reductions in peak capacityStandards or mandates for storageIndependent Storage Providers – ISPsStorage broadly used throughout the gridDeclining incentives
    • Key to become a market leader Technology breakthrough for “Grid Parity” storage  Start with competitive cost and potential for “grid parity”  Reduce costs with declining incentives  Become cost competitive vs. main alternative – peak generation Meet efficiency and durability targets to broaden field of applications Applications  Start with niche applications or bundled benefits  Test and qualify products at utilities or end users  Tailor products to each application 22
    • Energy Storage for the Grid September 2011 Contact:nachman.shelef@gmail.com 23