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Honestly it seems like a no-brainer to me to put a solar panel on the roof of electric cars to increase their action radius, so I figured there's probably one or more good reasons why they don't.

Also, I acknowledge that a quick google could answer the question, but with the current state of google I don't want to read AI bullshit. I want an actual answer, and I bet there will be some engineers eager to explain the issues.

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[-] Bigfish@lemmynsfw.com 36 points 2 weeks ago

For comparison, my rooftop solar array, with around 16 full-sized panels (~6kwp) produces just under 2 miles per hour in my electric car (around 3.3kwh/mi). Or in real life, takes about 2 fully sunny days to produce the power to charge the car.

[-] BlameThePeacock@lemmy.ca 7 points 2 weeks ago

What kind of ev are you driving? That's insanely high energy usage.

My EV gets about 6km per kwh (around 4 miles)

[-] Guest_User@lemmy.world -3 points 2 weeks ago

You get 4 miles per kwh and they get 3.3 and you call that insanely high? The 2.5-4 mile to kwh is really standard for EVs. I don't think the 3.3 is outside of the norm at all.

[-] Phil_in_here@lemmy.ca 18 points 2 weeks ago* (last edited 2 weeks ago)

I don't know anything about EV efficiency, but the rates are inverse, so they are drastically different.

Fish gets 3.3kwh/mile

Peacock gets 4 miles/kwh or 0.25kwh/mile

[-] Guest_User@lemmy.world 8 points 2 weeks ago

Oh I see that error now. I guess I just assumed from context his 6kwh panels generated 2 miles per hour. I get the confusion though

[-] doughless@lemmy.world 3 points 2 weeks ago

I'm still a little confused, wouldn't 6kwh provide roughly 12 to 24 miles of driving range?

[-] Guest_User@lemmy.world 1 points 2 weeks ago

They mentioned their car uses 3.3 kwh per mile. With their solar setup they can generate around 6hwh per hour. Meaning they can generate roughly 2 miles every hour of sunlight.

[-] doughless@lemmy.world 4 points 2 weeks ago

Right, which is why people are confused. Fish likely meant 3.3 miles / kWh, but that comes out to 20 miles for one hour of charge. But the fact they said just under 2 miles of range actually correlates with their 3.3kWh/mile statement, but no one has ever heard of an EV with efficiency that terrible.

[-] tyler@programming.dev 9 points 2 weeks ago

Fish reversed the numbers. It should have been miles per kWh

this post was submitted on 09 Jun 2024
198 points (91.2% liked)

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