The National Renewable Energy Laboratory (NREL) released a new the EVI-Pro Lite Tool to assist state and local governments to prepare for expansion of the charging infrastructure.

The EVI-Pro Lite Tool is a simplified version of the Electric Vehicle Infrastructure Projection Tool (EVI-Pro) model. It projects future consumer demand for charging infrastructure by state or city/urban area based on user inputs for the anticipated number of plug-in vehicles (and existing charging infrastructure).

The first simple conclusion after calculation is how many charging stations need to be installed to support a particular number of plug-ins (depending on assumptions).

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The EVI-Pro is avaiable here.

"EVI-Pro Lite was developed to make insights from recent studies accessible to public and private organizations investing in PEV charging infrastructure,” said NREL’s Eric Wood, a vehicle systems engineer. “The tool highlights key variables affecting the co-evolution of regional PEV fleets and charging infrastructure, providing stakeholders with information needed to make more informed decisions."

NREL has done a lot of interesting analysis prior to developing the tool, to learn how plug-in electric cars will be utilized on average and what that means for charging infrastructure requirements.

Nominal charging load profile from EVI-Pro simulations (home dominantcharging behavior) Source: NREL

Nominal charging load profile from EVI-Pro simulations (home dominantcharging behavior) Source: NREL

"EVI-Pro, the more robust model the tool draws from, was developed in collaboration with the California Energy Commission and support from the U.S. Department of Energy’s Vehicle Technologies Office (VTO). The model uses detailed data from personal vehicle travel patterns, electric vehicle attributes, and charging station characteristics. These data feed the tool’s extensive simulations approach to estimate the quantity and type of charging infrastructure necessary to support regional adoption of electric vehicles.

Assumptions in the EVI-Pro Lite tool are consistent with a recent NREL study conducted using EVI-Pro analysisPDF that investigated charging infrastructure requirements at the national level and relied on advanced PEV simulations using millions of miles of real-world daily driving schedules sourced from large public and commercial travel data sets. EVI-Pro has also been used for detailed planning studies at the regional level in MassachusettsPDF; Columbus, OhioPDF; and CaliforniaPDF; as well as a forthcoming study in Maryland.

VTO and the Better Communities Alliance will host the Electric Vehicle Infrastructure Projection (EVI-Pro) Lite Tool webinar later this month.

Presenters will include:

  • Eric Wood, NREL vehicle systems engineer, will lead the demonstration of the EVI-Pro Lite tool.
  • Bud Braughton, an engineer with the City of Columbus, will discuss how the city has used the detailed planning study developed by NREL.
  • Rachael Nealer, a VTO analysis program manager, will discuss how EVI-Pro supports ongoing analysis at DOE."

Source: NREL

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