There are more factors than the sheer number of charging stations. Consider that they’re not evenly distributed across all states, nor are all charging stations located conveniently for all EV owners. According to EC&M, an EV Index compiled by a firm called BriteSwitch looks at four criteria as part of their metrics. The index provides a score for each state based on average charger power, charging points per mile of roadway, the number of EVs compared to gas cars, and the likelihood of an EV owner finding an available charging station. The score is based on a maximum total of 25 points. What’s not factored in, of course, are the number of operational EV chargers, which would be nearly impossible to track and report as that figure is constantly in a state of flux.
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