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What is the math behind efficiency calculation?

3l3c7r1c

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In my 1200 miles driving in 3 weeks, I’ve never got at or above 2mi/kWh for a round trip. I understand lots of energy now consumed by heating. Today, I went to a mountain pass and came back and efficiency is showing 1.65 mi/kWh. Total consumption is 24.7 kWh and distance travel is 81.5 miles. Just calculating from these, ratio is coming out more than 3 miles per kWh. Now these numbers doesn’t make any sense!

Also, do anyone know how much battery capacity is usable vs reserved?

Rivian R1T R1S What is the math behind efficiency calculation? 9763F336-692E-4744-B5E3-379B28258F86
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AdamUCF

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Think the total energy is wrong on the newest update.

 
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3l3c7r1c

3l3c7r1c

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Thanks! Seems like the same issue. If total energy use is exactly twice the. Efficiency number matches.
 

W1SE

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I understand lots of energy now consumed by heating. Today, I went to a mountain pass and came back

not as much is taken up with heating your cabin. It really is about outdoor air temperature. The colder your battery the less efficient it is. You can get much more efficient by driving in warmer areas. I notice with an average temp of 40 deg now I get about 10-15% less range than 70 deg avg. (These are crude estimates and are not scientific haha)
 

fbitz777

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Yes, the total energy number isn’t making sense recently. The efficiency number does but not the energy. .
Yes it is a bug as far as I see in newest update..I have been using miles by efficiency to find KWH since.

this morning I saw 0.4 mi/kwh after I let the truck sit a few days (was 1mi/kwh before that)
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