Sure, but if that's what people need to do, that's what people need to do. I do know for a fact that some people and organisations put a hold on EV specifically due to lack of towing capacity, and for a SUV that will be an important point of consideration to me and many others. The new EU weight limits will make this easier, although for EV's it's a construction consideration too.
It's a requirement, like for a van. It should have a flat inboard surface area of min 1220 mm x 2440 mm (abt 4 ft x 8 ft) plus clearance for straps and handling of typical wooden construction plates or 3 euro pallets (800mm x 1200 mm). Builders prefer that for trailers too.
Please do allow me to rephrase: Charging capacity for homes would typically be 11 kW up to 22 kW.
Out of courtesy I checked for Porsche Taycan 4 Cross Turismo 2027: The on the wall box is capable of 22 kW and the Mobile Charger capable of 11 kW. You'll pick the cable suitable to your home/cabin. With an EV I would likely have to pay abt usd 40 to 50 more per month for the utilisation of capacity, consumption not included. Upgrading of wiring/fuseboxes ++ to handle 22 kW will vary. Most would need a bit of digging hereabout, and that can be expensive.
Home infrastructure to support charging is indeed a cost. With home charging, speed is typically not much of an issue once you get over a certain current threshold. If you are sleeping, do you care if your car takes 4 hours to charge instead of 3 hours?
I have a 150-amp panel. I installed a smart charger that, if necessary, will adjust downward the current into my EV if the rest of the house is pulling a lot of current. Thus, no panel upgrade required. That downward adjustment has yet to ever happen, as most of the time my home is not pulling that much current. The unit comes with wi-fi and software that monitors your home electricity usage in real time, and keeps home usage and EV charging logs.
My Emporia Pro unit will deliver up to 11KW via a 60-amp breaker and 6-gauge wire. All those have a real cost to install. For me it was about $900 all in, including the cost of the Emporia unit. Code for new homes in my town now requires pre-wiring for an EV. That's smart. My house is 30 years old.
If you look at miles added per hour of charging, once your wall until delivers 9KW you are in very good shape. I run mine at about 10 KW and 40 amps, even though I could do 11KW at 48 amps. Yes, a Taycan can charge at 22KW, but only a few wall units will deliver that, and you are running up hardware and installation costs due to those current needs -- large breaker, very thick wire gauge.
In a typical 3-5 hours of charging at night, I get my car to an 80% SOC. Only if I am going on a road trip will I charge to 100%. You optimize battery life by keeping within a 20-80% SOC. In general, home charging will enable a battery to have less degradation than if one is mostly DC fast charging, a result of current demands in fast charging.
I live near Boulder, Colorado, and there is sufficient DC fast charging infrastructure locally, and along major highways and Interstates, that I am not constrained in regard to road trips. My EV will charge from 10-80% at a DC fast charger in 20 minutes or less. On a road trip that is about what time it takes to hit the bathroom, buy a snack and a drink. I realize for some that is too long and painstaking. If so, go ICE.
The chart below gives one an idea of home charging under various current scenarios. With a 50-amp breaker and running my wall unit at 40 amps, I am getting over 30 miles of range added to my Ionic 5 per hour. In a typical week I am charging 2X per week and charge late at night during non-peak electricity rates. I think pre-tax that is less than 8 cents per KWH. So if I put in 40KW into my battery, the cost to me is less than $4. Most DC fast chargers are around 50 cents per KW -- a huge difference from home charging.
Then again, my circumstances are mine. My car has a ~140 mile E range, but unlimited range if I refill the engine generator every 120 miles or so. A capability I only use in long trips (as to the cabin).
