On a recent 7100+ mile cross country trip with 65 DCFC stops, we arrived within a few miles of our estimated buffer every time. How well does my intuitive approach work? You also need to consider past driving history, if it was a lot of higher efficiency driving like around town or slower highways, add a little extra buffer for the first leg because the GOM will be a little inflated for lower efficiency highway speeds. If there are elevation increases ahead, or lower temps, I add an extra 10-20 miles of buffer. One thing I wish Plugshare had is the elevation of each stop.īasically, you can expect a relatively constant mi/kWh efficiency at freeway speeds, so temps and elevation are the two additional factors to consider for each leg. I then charge until the GOM indicates the distance to the next stop plus a buffer of 30-40 miles. At each stop, I look ahead for the best option for my next stop and calculate the distance. My method is to use Plugshare to pick a route with enough DCFC stops, then go. Having owned a Bolt for 4+ years, 80K miles, I have gained enough intuitive knowledge of range to allow me to not require trip plans. Also useful for trips on routes with less than optimal DCFC coverage. That said, for new owners, ABRP and Plugshare Trip Planners can be helpful. Seasoned EV owners tend to bypass trip planners, the infrastructure improvements are quickly making these less relevant.
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