Etiquette for EV hospitality

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I have a 7kW EV charger but no EV. I pay a standard electricity tariff (EPG rate of 33.73p/kWh).
A friend who is much wealthier than me came to visit yesterday. He was 2 hours late for the lunch we had prepared because his shiny new Nissan Leaf hadn't charged properly overnight and he had to queue at a service station to get enough charge to make the 60-mile journey to see us.
He asked to charge his Leaf at our house and I was glad to help. (The charge point was provided by the house-builder and has never been used to charge a car before). When he left, he was pleased that his car was fully charged and off he went. He didn't offer to pay for the electricity he used and I was too embarrassed to ask.
This morning I looked at the electricity meter and saw that his Leaf took 33kWh of charge, which is more than we use in a whole week of normal use - it cost me over £11.
My guess is that that because he doesn't have to worry about fuel and energy costs, it didn't occur to him that this is a bit of a dent in our budget.
Perhaps we're too early in the EV era for the etiquette of charging hospitality to be established. What would you have done if you were me?
A friend who is much wealthier than me came to visit yesterday. He was 2 hours late for the lunch we had prepared because his shiny new Nissan Leaf hadn't charged properly overnight and he had to queue at a service station to get enough charge to make the 60-mile journey to see us.
He asked to charge his Leaf at our house and I was glad to help. (The charge point was provided by the house-builder and has never been used to charge a car before). When he left, he was pleased that his car was fully charged and off he went. He didn't offer to pay for the electricity he used and I was too embarrassed to ask.
This morning I looked at the electricity meter and saw that his Leaf took 33kWh of charge, which is more than we use in a whole week of normal use - it cost me over £11.
My guess is that that because he doesn't have to worry about fuel and energy costs, it didn't occur to him that this is a bit of a dent in our budget.
Perhaps we're too early in the EV era for the etiquette of charging hospitality to be established. What would you have done if you were me?
3 bed det. built 2021. 2 occupants at home all day. Worcester Bosch Greenstar 30i combi boiler heating to 19-20C from 6am to midnight, setback to 17.5C overnight, connected in EMS mode to Tado smart modulating thermostat. Annual gas usage 6000kWh; electricity 2000kWh.
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Treasure the moments that you have. Savour them for as long as you can for they will never come back again.
There used to be boxes you could keep beside your phone and if someone asked to use your phone it was common courtesy to put the cost of the call in the box.
Most EV drivers would a) only charged enough to get home safely and b) paid for what that had used.
I imagine that this will be something that in 10 years or so becomes so commonplace that it will be reciprocal - you go to his house and charge your car, he visits you and charges his ahead of the return journey, and nobody will mind because it balances out. Right now though that isn't anywhere close to the case and that is a huge amount of cost to simply lump on to someone because the visitor just didn't give it a thought. If he'd been low on petrol, and you happened to mention you had a jerry-can in the garage and he could use the contents of that, I suspect he would have been falling over himself to offer you the money, but "filling up" an EV isn't yet seen in the same way, is it. Allowing that he stopped en-route to use a public charger though you do have to question why it wouldn't have occurred to him.
I'd be having serious words with him in any case.
2023 £1 a day £54.26/365
Unfortunately many of us (including the OP) are not so privileged and we are acutely aware of our power costs. If it were me, I would be bold enough to call said friend and tell them 'I've just noticed it cost ME £11.50 to charge YOUR car yesterday. Would you be so kind as to send me the money as I'm left without enough money for my groceries (or whatever) this week'. if they are a decent they will apologise and happily compensate you. However there is always the small risk they might not, in which case I would no longer consider them a friend.
If you are too shy or uneasy about asking your friend to pay then only you can weigh up the pros and cons of this one.
If you feel it might put the friendship on edge, then perhaps they weren't a friend in the first place.
Let us know what you decide to do.
Energy Used Electricity only. Used 5975kwh in the last year in a 4/5 bedroom detached house EPC high B. Designed not retro-fitted ASHP Mitsubishi Ecodan, under floor heating ground floor, radiators 1st floor. Multi-fuel burner in lounge.
Energy usage reduction success below 6000kwh a year. Comfortable 19-21oC through winter depending on the room and vaulted ceilings etc.
Dyslexia sufferer don't be too harsh if I get things a bit topsy turdy.