The Value of Plug-In Hybrid Electric Vehicles as Grid Resources

Ramteen Sioshansi, Paul Denholm

Research output: Contribution to journalArticlepeer-review

138 Scopus Citations


Plug-in hybrid electric vehicles (PHEVs) can become valuable resources for an electric power system by providing vehicle to grid (V2G) services, such as energy storage and ancillary services. We use a unit commitment model of the Texas power system to simulate system operations with different-sized PHEV fleets that do and do not provide V2G services, to estimate the value of those services. We demonstrate that a PHEV fleet can provide benefits to the system, mainly through the provision of ancillary services, reducing the need to reserve conventional generator capacity. Moreover, our analysis shows that PHEV owners are made better off by providing V2G services and we demonstrate that these benefits can reduce the time it takes to recover the higher upfront capital cost of a PHEV when compared to other vehicle types.

Original languageAmerican English
Pages (from-to)1-23
Number of pages23
JournalEnergy Journal
Issue number3
StatePublished - 2010

Bibliographical note

Publisher Copyright:
Copyright © 2010 by the IAEE. All rights reserved.

NREL Publication Number

  • NREL/JA-670-43615


  • cost savings analysis
  • PHEV
  • V2G
  • vehicle to grid


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