Impacts of Plug-In Vehicles and Distributed Storage on Electric Power Delivery Networks

Peter B. Evans, Soorya Kuloor, Benjamin Kroposki

Research output: Contribution to conferencePaperpeer-review

19 Scopus Citations


This paper discusses studies funded by the National Renewable Energy Laboratory (NREL) via SunPower, Inc. and the California Energy Commission (CEC), performed by New Power Technologies and Optimal Technologies that showed that high-penetrations of distribution-connected storage devices or plug-in vehicles can have adverse grid impacts due to their charging loads. Randomly-located or unmanaged additions, such as plug-in vehicles, can also have greater impacts at lower penetrations when compared to managed additions such as utility-sponsored storage. The studies also found that potential adverse impacts from such charging loads are highly localized, and once identified are readily managed. The studies also show the use of a high-definition Energynet® power system simulation and AEMPFAST™ power system optimization software for identifying and managing the potential impacts of distribution-connected storage.

Original languageAmerican English
Number of pages9
StatePublished - 2009
Event5th IEEE Vehicle Power and Propulsion Conference, VPPC '09 - Dearborn, MI, United States
Duration: 7 Sep 200910 Sep 2009


Conference5th IEEE Vehicle Power and Propulsion Conference, VPPC '09
Country/TerritoryUnited States
CityDearborn, MI

NREL Publication Number

  • NREL/CP-550-47222


  • Battery electric vehicles
  • Distributed storage, distributed generation
  • Electrical storage
  • Load flow analysis
  • Optimal control
  • Plug-in hybrid vehicles
  • Plug-in vehicles
  • Power distribution
  • Power system simulation
  • Power transmission
  • V2G


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