US Electric Vehicle Charging Infrastructure (1)

Tesla's North American Charging Standard (NACS) adopted by OEMs

2023/11/16

Table of contents

Summary
Overview of Charging Infrastructure in the U.S.
Charging Companies and Charging Network
EV Connectors/Charging Plugs
Tesla Supercharger - NACS Plug
Charging Apps
(Reference) Bi-directional Charging

Summary

A “last mile” delivery van using a Level 2 charger. (Image: MarkLines North America, Inc.)

As electric vehicles (EVs) continue to gain market share, through a combination of governmental regulations and incentives (Inflation Reduction Act), as well as interest by early adopters, the charging infrastructure in the US will need to rapidly evolve beyond its current state to facilitate the widespread adoption of EVs.

As EV sales increase, the charging infrastructure must be expanded and improved upon in order to meet charging demands, and to encourage potential customers to switch from internal combustion (ICE) vehicles by helping reduce range anxiety. This would include Level 1 chargers (120-volt alternating current (A/C) at private residences), as well as Level 2 and DC fast chargers in publicly accessible places.

The current trend is for other OEMs to switch from the CCS (Combined Charging System) connector to the NACS (North American Charging Standard) format, largely by 2025. Between then and now, many OEMs will provide an adapter to enable CCS equipped vehicles to be charged on a Tesla supercharger, which uses the NACS standard.

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