BTOR
Well-Known Member
- Thread starter
- #1
In the attached picture, the "Session Detail" shows a value of 18.9 miles. This is the sum of 10.5 miles (to propel the vehicle?), 1.5 miles (vehicle operation?) and 6.9 (drive regeneration total?). And, according to the Energy Use during drive, the actual distance driven was 17 miles with an efficiency of 4.21 mile/kWh.
So, based on the efficiency and actual miles driven, I used ~ 4.0 kWh during this Session (17/4.21). Is it correct of me to assume then that of those 4.0 kWh used during the session, 87.5% or 3.5 kWh (10.5/12 x 100 = 87.5) were used to to cover the 10.5 miles and the remaining 12.5% were used to cover the 1.5 miles? Since 10.5+1.5 = 12 miles and I actually drove 17 miles, 5 miles were "free" as a result of regen? I also assume the "Session Details" is a summary or sum of the bar graph to the left which is reported in kWh usage as a function of time, since the colors for the 3 specific categories (propel, vehicle, & regen) are identical.
If my understanding is incorrect, please straighten me out. If my understanding is basically correct, what the heck is the significance of the "Session Details" value adding the usage miles (energy used?) and regeneration miles (energy gained) and then reporting it as total in miles? Why would someone at Rivian feel this value has so much significance to the driver that they felt compelled to display it? I feel I am clearly missing something? I would think the "Session Details" would be much more meaningful to display kWh used and generated and the reported number being the "net" amount, not the total of used plus regen 🤦
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To me, the most important values (and only meaningful values) on this Energy Monitor screen are the efficiency and actual miles driven. I often compare the actual miles I drove to the predicted range based on SOC at the start and end of my drive. (which is visible on the center display). If the difference between the predicted range at the start and finish of my drive is less than the actual miles I drove, then I at least feel I am ahead of the game
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So, based on the efficiency and actual miles driven, I used ~ 4.0 kWh during this Session (17/4.21). Is it correct of me to assume then that of those 4.0 kWh used during the session, 87.5% or 3.5 kWh (10.5/12 x 100 = 87.5) were used to to cover the 10.5 miles and the remaining 12.5% were used to cover the 1.5 miles? Since 10.5+1.5 = 12 miles and I actually drove 17 miles, 5 miles were "free" as a result of regen? I also assume the "Session Details" is a summary or sum of the bar graph to the left which is reported in kWh usage as a function of time, since the colors for the 3 specific categories (propel, vehicle, & regen) are identical.
If my understanding is incorrect, please straighten me out. If my understanding is basically correct, what the heck is the significance of the "Session Details" value adding the usage miles (energy used?) and regeneration miles (energy gained) and then reporting it as total in miles? Why would someone at Rivian feel this value has so much significance to the driver that they felt compelled to display it? I feel I am clearly missing something? I would think the "Session Details" would be much more meaningful to display kWh used and generated and the reported number being the "net" amount, not the total of used plus regen 🤦
.To me, the most important values (and only meaningful values) on this Energy Monitor screen are the efficiency and actual miles driven. I often compare the actual miles I drove to the predicted range based on SOC at the start and end of my drive. (which is visible on the center display). If the difference between the predicted range at the start and finish of my drive is less than the actual miles I drove, then I at least feel I am ahead of the game
.
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