Hi, would it be possible to purchase a Tesla Solar powered super charger kit to be installed at home? For those who might be considering installing a new car-port or renew their garage roof, this could be an interesting supplement to the household!
The Super Charger is not for every day use, and will have a negative impact on battery longevity. A better option that is already out there is a solar array from SolarCity. (Or any other solar company for that matter). With SolarCity you lease the equipment and pay a monthly fee similar to what you usually pay the utility company whereas with other companies there is a large initial investment for the installation but no monthly fee. With or without a solar system one would be able to install a Tesla Hi Power Wall Charger (HPWC).
You can't use it every day or the Supercharger will destroy your battery. Desides, the SC's cost about $300,000 without solar panels. It is probably better to consider adding solar panels to your roof.
You can see my setup here - in a folder set up for the hitch installation pictures, a couple of the pics show our barn roof with 84 solar panels:
There's no indication SCs will destroy the battery; LiIon, especially cooled, can take multiple C. Overcharging is the only risk.
P_D a single SC unit doesn't cost $300k... It is 12 charger units which retail for $1.5k each = max $18k plus box plus cable. Retail price is no more then $20k. A 10 bay SC may cost $300k, but not the single unit.
"Retail price is no more then $20k."
That really does sound more interesting than $300k.
And I think that some people might consider really buying it.
There is certainly evidence that SC use reduces battery life. Apply whatever word you want, I use destroy so as to remember that very time I plug into a SC, I am gong to have to replace the car (or battery) sooner than if I hadn't. The car's instructions say so, and all of the company employees say so. This was reiterated at my delivery. Elon Musk has said this in speeches. it is a key reason Superchargers will never be put in cities - TM does not want to encourage their use for anything except sporadic intercity travel.
It is absolutely a fact of the fast charging technology that it reduces battery life. At delivery we were specifically told to try to keep SC use to only once or twice per month. This isn't even a question and you should get your facts. Do you have a car? If you did you would know this. Page 17 of the manual: "using it frequently reduces battery life." Theres no guessing or speculation here. What more do you need?
The power alone for that many high power chargers (12 per SC bay) requires wiring to the grid at costs well over $100k. In some cases this type of wiring will cost more than most people's homes. I am a shopping center developer/owner. The SC stations with multiple units draw more power than a typical WalMart and need their own transformer, and depending on location, may need more than that. The curbing and infrastructure is required to be commercial quality. I shudder to think what the massive underground conduit costs will be. The bollards alone are tens of thousands of dollars. Paving them is at least $20k each, much more if there is fill or driveway involved.
Do you have a Model S? Ask any owner how big the cable is to their wall charger. Then multiply that by 12 per SC bay, times the number of bays. Then look at where the nearest supply is located. They can't just run from the nearest building for this type of draw. Elon has said publicly that the company's cost averages $300-400k per site, plus whatever Solar City spends at the few sites that lend themselves to installing solar panels. This is all irrelevant anyway, as SC use reduces battery life and TM would never sell a consumer version for that reason alone.
P_D - we are talking apples and oranges. SC installation in someones parking lot $300k-$400k no dispute about that. A single unit w/o install is what I was talking about.
SC at home is nonsense. I was planning on 2 EVs in the future and asked to upgrade my panel... utility says 100A is maximum we can give you ( over that it becomes complicated, because city planning has to be involved besides big $). I am not happy. My S is ready, waiting for the PS to finish the paper work and date this week for factory pickup.
SC at home might be nonsense, but how about four or five times onboard charger capacity? SC is just stack of onboard chargers, so you could get slower, less damaging charger that's still faster than ordinary wall chargers pretty easily and with reasonable price (if you just pay the electricity) somewhere in the city.
why would you want or need a superfast charge at home? Maybe once in a blue moon, is it really worth it? cheaper to have a spare ICE car standing by.
@Timo - I should have been more precise. A full blown SC... how many homes have 480+A capability?.
Yes, you are right - a smaller 4 unit 40kW charger on your wall would draw 160A ( more homes have 200A ) and charge at 120m/h. Think a step further... make the unit bi-directional and it could become part of the smart grid, charging and discharging the 85kWh battery at a moderate 0.5C.
$250,000 per bay with with 4-6 SC. Company plans to deploy 100 of these over 2 years at a cost of $20-30M. Must be installed cost. That is a lot of money. No wonder Tesla is taking its time. They got to count their pennies.
Tesla will have to spend an equal amount in the EU, particularly in Scandinavia, Germany, France, Switzerland, Holland, UK. They can skip the PIIGS or Eastern Europe... they are too broke to afford this kind of car. Norway has heavy import taxes on ICE plus VAT. Dirt cheap electricity and gasoline at $10/US Gal.
Meanwhile, Tesla could partner with hotels, restaurants, to have 240/50-100 amp chargers. It is like a 2 washer/drier connections. Can not be that expensive, relatively speaking. Unless they got to use a jackhammer to lay wire, a set of 4 can not cost more than $10-20k. Takes a lot of range anxiety away if installed along the highway and even in big cities. They could charge/hour using credit card reader.
@Bubba2000 - who pays for the SC? Current Model S owner. Take $2k each from 10K 85kWh Models = $20M. Money comes out of GBs advertising budget - instead of stupid TV ads TM builds SCs... that is smart advertising (unless they want to promote the SCs and pick the wrong reporter). Model S owners can SC for free because they are paying for it ( as far as I know TM never promised Model X or Gen3 can charge for free ).
When Gen3 comes around the SC network is there, so you can $2k off in your price calculation.
Why would any one need a SC at home.I have been using a NEMA 14-50 at home while waiting for my HPWC to be delivered and installed, I think even the HPWC is unnecessary.
The cost would be negligible if Model X owners were charged a fee, but I doubt that would be the case, especially since many S owners will also be X owners. The whole idea behind the SC system is to promote EVs. What has been said more specifically is that the SCs would be available only to Tesla owners who's vehicles have a range of more than 200 miles. i.e. 60 and 85kWh. For the amount of driving most people do the car would be fully charged at home within 1-2 hrs. If the battery has been depleated then overnight should be fine. I also think that the 14-50 is sufficient, but will be getting the HPWC.
First off let me start by stating that I am not a Tesla owner by any means (not in their vehicles nor am I a stock holder but that may change soon). I am...
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