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The rollout of electric vehicles is aided and enabled by a concurrent rollout of infrastructure at home and in public locations. Home charging provides most of the charging needed for most drivers, whereas public infrastructure improves the electric vehicle proposition for prospective buyers, increases the potential electric miles from electric vehicles, and provides charging for those without home charging. Exactly how much charging infrastructure will be needed and what it will cost are top questions for prospective electric vehicle owners, automakers, policymakers, and electric utilities alike.

The need for much more electric vehicle charging infrastructure across the United States through 2025 is well established by a recent charging gap analysis. 1 Based on that analysis, about 4 times more public charging infrastructure than was in place in 2017 is needed by 2025 to match expected electric vehicle market growth. The