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Discussion in 'Prime Fuel Economy & EV Range' started by citiprius, Dec 2, 2018.
I really think it should be available in the USA market
I wonder how much power the solar roof generates. I just don't think given the large capacity of the HV battery that the solar roof would justify the added cost. If they would give some specs as to how much the panel can make...say 50 watt hours, then someone like me might go oh wow 50 watt hours, that would add a few miles of EV range over the course of a day at work.
agreed, a lot of money for a little gain. more gimmicky than anything else. i don't think we'll ever see it in n/a.
Some new information on the non-US bound solar roof | PriusChat
So assuming your electricity bill is $0.15/KW, you have to spend $3000 for something that will take 20000 hours to break even... and it will only take you 44.4 hours of direct sunlight to full charge your car for 25 miles, which is about 4 days in the best possible scenario. Nice...
every little bit helps in japan. here? we waste more electricity than they use
Yeah, a 180 watt solar panel for $3000 is outrageous. Save you dollars and get a decent home solar system.
Also the implementation seems strange.
Why have a secondary battery collect that measly 180 watts, store it, and then send it to the main HV battery pack?
You have more charge/discharge inefficiency with that extra step.
Toyota estimates about 1,000km (620 miles) a year on solar. Obviously it depends on how much sunshine you get per year.
It’ll work in Japan since the car is parkedduring the weekday and they take the train to work. So that means they can drive on the weekend on solar power and charge during the week.
It doesn’t work that effectively in the US where we drive everyday so we may just get a few miles per day of solar powered miles.
an island might be a great place
It is not effective anywhere. 620 miles is roughly one full tank of gas (11.3 gallon), even double the California gas price it at most worth $80. It will take 37 years to start saving money. Most solar panel has a 20 something years life cycle, let alone the life cycle of a car. Why bother?
Because you have to start somewhere?
My solar panel is working fine (granted my car is only 9.5 years old, so almost halfway through its life)