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Plug-In Cars: Enhancing Smart Grid Investment Returns

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Plug-In Cars: Enhancing Smart Grid Investment Returns. Steven E. Letendre, PhD Associate Professor Green Mountain College Poultney, VT May 19, 2010 REV DG Conference 2010 Manchester, VT. Coming to a showroom near you…?. What we know?. Plug-in cars dramatically improve fuel economy

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Presentation Transcript
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Plug-In Cars: Enhancing Smart Grid Investment Returns

Steven E. Letendre, PhD

Associate Professor

Green Mountain College

Poultney, VT

May 19, 2010

REV DG Conference 2010

Manchester, VT

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What we know?

  • Plug-in cars dramatically improve fuel economy
  • Initial vehicle launch (GMC and Nissan) later this year with MSRP well north of $30K.
  • Lithium Ion batteries (Leaf 24 kWh / Volt 16 kWh ).
  • Agreement on plug (SAE J1772) 3-point 400V.
  • There is sufficient off-peak capacity nation-wide to charge a large number of plug-in cars.
  • Electricity is a less expensive fuel for cars than gasoline on a per mile basis.
  • Federal incentives are key driver, up to $7,500 per car.
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What we don’t know?

  • How robust will the battery packs be and will they require replacement at some point during the life of the vehicle?
  • Consumer charging preferences?
  • Which companies will dominate the smart charging and vehicle management IT space?
  • How quickly will consumers adopt plug-in cars?
  • What will the fleet of plug-in cars look like 5, 10, 20, 30 years out?
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Using Smart Grids to Unlock

V2G Revenue Potential

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It’s Happening Now

($120 - $200 / month / vehicle)

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V2G Resource in Vermont: Projections

Aggregate Energy Storage Potential of Plug-In Fleet

(MWh)

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V2G Resource in Vermont: Projections

Aggregate Power Output Potential of Plug-In Fleet

(MW)

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Concluding Thoughts

  • Plug-in cars represent a large new load for households and the power system.
  • Smart grid technology can serve to: manage vehicle charging, unlock V2G revenues, and link RE production with vehicle charging.
  • It may take a decade to see large numbers of plug-in cars in Vermont, but meaningful demonstrations can happen (should happen) much sooner.
  • Smart grid technologies can generate significant value creating a bridge between the electric system and the auto fleet.

[email protected]

Thank You! Please ask questions…

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Acknowledgments

Vermont Department of Public Service

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