Green Car Reports has a story about a study of the effect of weather on EV range in various states – and it says Maine, New Hampshire and Vermont are the most affected. The whole story is here.
Vaisala, a Finnish instrumented measurement firm, analyzed the effect of weather and road conditions on EV range across the Lower 48 states, looking at how these factors affected range at different times of the year. That analysis involved not only temperature by month, but also winds, rolling resistance from snow, air density, and solar radiation, among other factors.
The top five states for EV range, based on a median and across all local climatic conditions were Arizona, Florida, Texas, Georgia, and Louisiana. The bottom five were the more northern—and frigid—Maine, Vermont, New Hampshire, North Dakota, and Minnesota.
The difference wasn’t huge – 10% or so – but it wasn’t nothing, either. And as some commenters have pointed out, Norway leads the world in EV adoption and it’s not exactly balmy there.
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Did the discrepancy factor in the use of heating and air-conditioning?
The “how we calculated” section of the report appears to indicate they did include climate controls in their range calculations, but does not go into detail as to exactly how. When I searched the keywords “xweather ev range report” the second result was the actual report.
Would have saved everyone some time if either this article or the referenced article provided a link to the actual report.
Some of the reasons why EV sales are so strong in Norway are described in https://www.gridserve.com/why-norway-leads-the-world-in-ev-adoption/
There’s no good pithy quote there to copy, so I’ll fall back on “Policy is set by more than just weather!”