Compare tariffs with car charger.

silvercar

I’ve always used the energy club to compare tariffs. Now we are likely to buy an electric car, I want to compare tariffs to include charging the car. Is there a comparison for this?

niktheguru

In a word no (not yet at least. Though beis have developed one in test/beta form)

octopus go and go faster tend to be the best tariffs for those with EVs, that’s what I’m using, and charge my car at 5.5p/kWh.

go to Zap-Maps website for a list of other tou tariffs that may be lucrative for ev users. Don’t forget most of these tariffs will require you to have a smart meter.

[Deleted User]

silvercar said:

I’ve always used the energy club to compare tariffs. Now we are likely to buy an electric car, I want to compare tariffs to include charging the car. Is there a comparison for this?

There is more to this question than just a simple tariff comparison. For example, if you commute 100 miles a day then certain EV tariffs may not be suitable for you because you will not be able to get sufficient charge into the car in the offpeak period. You also need to think through how much of your household energy you intend to move to the offpeak period. With this in mind, Go or Go Faster may not be suitable for you: you might need to look at the longer Offpeak periods offered by EDF et al. I would also look at Good Energy. 

In sum, time of use tariff comparisons do not work with kWs/year. The new BEIS tool downloads actual consumption data from your smart meter and then offers the cheapest tariff - which may not be time of use based. It then invites you to decide how much of your demand you could move to cheaper tariff periods. The new tool will not be available to price comparison websites unless they become, or affiliate with, a Registered DCC User.

silvercar

Currently with Ovo, who have a new EV tariff that claims to offer 1p per mile for off peak charging of an EV. 

Keep_pedalling

[Deleted User] said:

silvercar said:

I’ve always used the energy club to compare tariffs. Now we are likely to buy an electric car, I want to compare tariffs to include charging the car. Is there a comparison for this?

There is more to this question than just a simple tariff comparison. For example, if you commute 100 miles a day then certain EV tariffs may not be suitable for you because you will not be able to get sufficient charge into the car in the offpeak period.

Unless you are using a granny charger, 4 hours on Octopus Go at 5p pKwh would be enough to get you 100m, to be safer 5 ours on Go faster at 5.5p would be more than ample. Even if you needed to charge 6 or 7 hours a night the combination of cheap rate and standard rate is likely to be very cost effective.

For EV drivers comparison site are now pretty useless, and you will often be better off having separate energy suppliers which comparison site are also pretty useless at. We are with Octopus Go electricity and Zog for gas.

Currently driving a PHEV but going full electric on Thursday.

bristolleedsfan

I think what Dolar is trying to put across is whatever EV tariff is best for somebody does not automatically mean it is best for everyone else hence EDF having 3 EV tariff options  https://www.edfenergy.com/electric-cars/tariffs

Octopus themselves have recently launched https://octopus.energy/intelligent-faqs/

[Deleted User]

Keep_pedalling said:

[Deleted User] said:

silvercar said:

I’ve always used the energy club to compare tariffs. Now we are likely to buy an electric car, I want to compare tariffs to include charging the car. Is there a comparison for this?

There is more to this question than just a simple tariff comparison. For example, if you commute 100 miles a day then certain EV tariffs may not be suitable for you because you will not be able to get sufficient charge into the car in the offpeak period.

Unless you are using a granny charger, 4 hours on Octopus Go at 5p pKwh would be enough to get you 100m, to be safer 5 ours on Go faster at 5.5p would be more than ample. Even if you needed to charge 6 or 7 hours a night the combination of cheap rate and standard rate is likely to be very cost effective.

Think Winter; cold temperatures; heating; lights etc and you could well struggle. Also, bear in mind, that the charging rate falls off markedly once the SOC is > 90% in most EVs. In Winter, there is also a need for battery preconditioning. All that said, it depends on the average miles/kWh for the chosen EV. An Etron/IPace miles/kWh is a lot less than an ID3.

niktheguru

bristolleedsfan said:

I think what Dolar is trying to put across is whatever EV tariff is best for somebody does not automatically mean it is best for everyone else hence EDF having 3 EV tariff options  https://www.edfenergy.com/electric-cars/tariffs

Octopus themselves have recently launched https://octopus.energy/intelligent-faqs/

Hmm,  I’m not convinced by these EDF tariffs at all. Probably only of use if you use most of your energy at the weekends, but otherwise not great.
also, it looks like they only offer their ev tariffs if you take dual fuel. And their gas rates are over 5p/kWh, with high standing charges.

I can’t really see how a peak rate from 24p/kWh (from 7am to 9pm) and an off peak rate of 11.5p (from 9pm to 7am and on weekends) with a standing charge of 35p a day is at all lucrative when compared to go faster at 5.5p/kWh for 5hrs an evening and a peak rate of 14-17p/kWh, and a standing charge of 25p a day.

I doubt most ev drivers drive from 100% to empty each day, particularly as batteries and range are getting larger. Of course for those that do you’d have to calculate how much it’d all cost for you to charge

but for arguments sake, charging a 73kw battery from empty to full would cost (approx)

octopus go faster - £7.98 (using 16p/kWh as the peak rate)
edf go electric 98 - £8.39

Obviously this is assuming filling your battery by 7kW an hour and we all know the speed varies on several factors……however if you just plugged your car in each night then you’d easily top it up to full on off peak prices, thus saving substantially more.

lohr500

@niktheguru. We are a high user of electricity (23,000kW p.a.) and when I did the maths a couple of months ago, we could have saved around £250 a year by using Octopus Go Faster compared to the EDF GoElectric96 tariff that I opted for.

I went with the EDF tariff in the end because the prices are fixed until August 2023 ( £0.2229/£0.1005) and my gut feel tells me the flexible Octopus Go Faster pricing will have to increase over the next 2 years. I need a longer off peak window than the Go Faster 5 hours to heat up our AGA storage oven, so I had to factor in using some peak electricity to do this if we went with Octopus. The off peak rate at the weekends is also handy for doing multiple loads in the washing machine and for charging up our PHEV at the weekend when we use it most.

If Go Faster had been fixed for 2 years then I think I would have gone for it. I keep a regular eye on tariffs so if a really good fixed EV deal does pop up I can always bail out from EDF. The £30 exit fee is not a deal breaker.  

Not sure if it has changed recently, but we didn't need to take a duel fuel deal t get the EDF GoElectric96 tariff.