this post was submitted on 16 Jul 2023
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Tesla
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About Tesla
Tesla Inc. (formerly Tesla Motors) is an energy + technology company originally from California and currently headquartered in Austin, Texas.
They produce electric vehicles (with a heavy focus on autonomy), batteries, and energy/solar products for the grid.
Tesla’s mission is to accelerate the world’s transition to sustainable energy.
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My house is maxed out for what is practical for solar panels given the layout. I get on average 55 kWh a day in power generation. It takes 92 kWh to fully charge my Model Y.
So if my house solar system was dedicated to charging the car, it would take 2 days to fully charge the car. In reality it would take over a week.
I suppose if someone lived in Arizona and had many more panels than I do, then this would work. Certainly, it's not practical for everyone.
Maybe best to think of it as "soak up solar" i.e. send any excess solar to the car rather than accept mediocre feed in tariffs. Are least that is how I have been using the equivalent feature I have set up in Home Assistant.