EVM talking sense (again)

[tsedge]

Here's his latest:


I destination charged at a hotel over the weekend, instead of going to a nearby Tesla Supercharger. It was so convenient and the price I was charged wasn't too bad (57p/kWh) so I was happy to pay for the convenience. Meant I left with 100% and no need to stop until I got home 4.5hrs/200 miles later.

 

[5teep]

57p for a destination charger is robbery.

 

[tsedge]

57p for a destination charger is robbery.

It wouldn't have been much cheaper at Tesla without membership, so it was a good deal for me.

 

[Anon70]

Assuming a destination charger delivers a max 7kW:

If you hook up for 12 hours overnight
Max charge = 7 x 12 = 84kWh
Cost at hotel = £0.57 x 84 = £47.88
Cost at home on EV tariff roughly £0.08 x 84 = £6.72
Cost at a Tesla chargers roughly £0.40 x 84 = £33.60

I think I would still use the Tesla charger the night before and save £10 - £15

Guess it depends on the car's battery size/efficiency and how far you have to travel. In the Summer you could probably get 200 miles from most of the bigger battery MG4.

 

[siteguru]

There's a flaw in your maths ... there is no MG4 that can take 84kWh.

But as a comparison it is sound.

 

[Anon70]

Realise the MG4 doesn't have a battery that size but was going for the kind of time you might expect to be in a hotel room and the max charge you could get, it is also not likely you would arrive with 0% or get 7kW/h for the full 12 hours. So for the £5 to £10 real World difference you could argue the convenience wins.

 

[Rolfe]

I was in Halifax for a few days and have the greatest of luck. What I think might be the only public destination chargers in the town are right outside my friend's house. This saves me from having to go out to look for a rapid, in a town which seems to have nothing but the odd single Geniepoint beside supermarkets.

The trouble is, the chargers cut the power after only 4 hours. You can get about 28 kwh in that time. Even with the SR, I had to go out at one in the morning to re-start the charge so the car would be full by morning. It's nuts. Why do they do this?

 

[tsedge]

Realise the MG4 doesn't have a battery that size but was going for the kind of time you might expect to be in a hotel room and the max charge you could get, it is also not likely you would arrive with 0% or get 7kW/h for the full 12 hours. So for the £5 to £10 real World difference you could argue the convenience wins.

In my case I went from 62% to 100% for £15. The convenience far outweighed the cost and the local Tesla Supercharger would have been only marginally cheaper (52p/kWh saving me 70p) and I would have had to drive there, wait for the charge, drive back and that one has no facilities: just a field.

It was like being at home, start fully charged, which was a good feeling.

Yes you could argue it should be 40p/kWh, but for occasional trips I don't really care, it isn't a lot of money and I'd do it even if it was a lot more.

I do realise that people who always have to publicly charge will be much more price sensitive.