EVI-X Modeling Suite of Electric Vehicle Charging Infrastructure Analysis Tools

NREL's EVI-X modeling suite informs the development of large-scale electric vehicle (EV) charging infrastructure deployments—from the regional, state, and national levels to site and facility operations.

In addition to identifying the number and type of chargers needed to meet a given demand, EVI-X enables researchers to pinpoint efficient charging station locations and find ways to mitigate the impact of charging loads on the electric grid—by tapping into renewable energy and employing smart-charge technologies.

Integrated Analysis Tools

NREL's EVI-X modeling suite of charging infrastructure analysis tools equips researchers with the integrated resources needed to conduct multifaceted analyses providing insight critical to the development of successful charging networks that meet the needs of users while supporting the grid.

Electric Vehicle Charging Infrastructure Analysis

NREL's EVI-X Modeling Suite

Light-duty vehicles
Medium- and heavy-duty vehicles

Network Planning

Network Planning

Charging infrastructure projection based on typical daily travel

Simplified version of EVI-Pro (free to use)

Charging infrastructure accessibility from environmental-justice perspective

Charging infrastructure demand modeling for ride-hailing services


Depot and corridor charging infrastructure projection for commercial vehicles

Charging infrastructure analysis for long-distance travel

Site Design

Site Design

Dynamic and quasi-dynamic charging infrastructure design

Charging infrastructure energy estimation and site optimization

Design and use optimization for behind-the-meter storage


Operational and economic analysis for fleet electrification


Multi-fidelity telematics-enabled vehicle and infrastructure design

financial analysis

Financial Analysis

Charging infrastructure financial analysis

EVI-FAST can integrate with all the tools listed above

Supporting Resources

In addition to the EVI-X modeling suite, NREL's charging infrastructure analysis relies on a network of other transportation data, tools, and capabilities.

Transportation Secure Data Center

A wealth of real-world travel behavior data that helps assure the accuracy of analyses

Fleet DNA

A clearinghouse of commercial fleet vehicle operating data

U.S. Department of Energy Alternative Fueling Station Locator

Tracks and pinpoints existing EV charging stations across the country

Intelligent Vehicle Energy Analysis

Informs future vehicle scenarios and illuminates how different decisions influence mobility, energy, and emissions


The following publications provide detailed information about NREL's EV charging infrastructure analysis capabilities. For NREL's full collection of documents, visit the Publications Database.

Impact of Electric Vehicle Charging on the Power Demand of Retail Buildings, Advances in Applied Energy (2021)

There's No Place Like Home: Residential Parking, Electrical Access, and Implications for the Future of Electric Vehicle Charging Infrastructure, NREL Technical Report (2021)

Heavy-Duty Truck Electrification and the Impacts of Depot Charging on Electricity Distribution Systems, Nature Energy (2021)

In-Route Inductive Versus Stationary Conductive Charging for Shared Automated Electric Vehicles: A University Shuttle Service, Applied Energy (2021)

Levelized Cost of Charging Electric Vehicles in the United States, Joule (2020)

Understanding the Charging Flexibility of Shared Automated Electric Vehicle Fleets, SAE World Congress (2020)

Grid Impact Analysis of Heavy-Duty EV Charging Stations, IEEE Power and Energy Society Innovative Smart Grid Technologies Conference (2020)

Modeling and Analysis of a Fast-Charging Station and Evaluation of Service Quality for EVsIEEE Transactions on Transportation Electrification (2019)


Contact us to learn more about our EV charging infrastructure analysis capabilities or to discuss your partnership interests.

Eric Wood

Data Science Research Engineer