this post was submitted on 05 Apr 2026
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Electric Vehicles
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The spec say 1.8x3-3.5m 10% seems rather low. 8km is still great tho, i don't really need more than 30km a week.
Are you talking about the entire width and length of the vehicle? The roof is smaller than the total footprint. Especially because the width of the vehicle includes the mirrors sticking out.
No, it's pretty high for the use case you describe. Utility scale solar with panels pointed toward the sun tends to achieve about 20-25%, with some American desert installations at 30%.
Home balcony solar tends to get 10% in places like Germany, with the higher latitude and higher likelihood of overcast skies.
Putting it on a vehicle roof would be lower than that.
So 2 kwh per day is optimistic.
So why buy a vehicle at all? Seems like the resources that go into an underutilized vehicle would be better used for things like paying fares on taxis.
You're better off just charging with 100% utility solar/wind from the grid and paying money for it, rather than trying to combine a mediocre solar array in a costly way that kills your vehicle efficiency.
The specs are 4.5m, I est the front is around 1m. You can put 3 or 2 1.8/1.1 bifacial cells ontop with 450w each. Thats 900-1350w peak correct? Taxis are really expensive where I live. My regular driving is just 30km but i do want the car for going on longer trips as well and occasionally heavier cargo, but than there is no house array charging possible far from home.