What is an EV

lohr500

tamste said:

If its all about flattening supply/demand, why don't they offer the same tariff to those that could charge batteries to use that electric during the day, or charge storage heaters, both of which help flatten demand?
I have been considering installing batteries for this purpose, but the numbers don't make it worthwhile on an E7 tariff, but would on an EV tariff.

With an E7 use of ~12000 kWh per annum, I could buy a used EV moped for less than I would save in the differential between my TOU tariff and the EV tariff IF the moped would be classed as an EV for tariff purposes. Don't have to tax/insure/use it .. just own it.

I'm using battery storage with no solar or EV and ended up choosing a UW 12 month fixed Economy 7 tariff in November last year.(Yorkshire Region)

The 7 hours off-peak rate is 4.9p per kWh. The peak rate is expensive at 33.3p but largely irrelevant as we have only used 9 units in 4 months. The s/c is also expensive at 65.4p per day.

To fix the prices for 12 months I had to take out an expensive £23 a month SIM card with them.

We use around 19,000kWh a year, virtually all of which is off-peak, so getting the lowest possible off peak unit cost was important to us. It was worth taking out the SIM to lock in the lowest prices.

My battery storage capacity is aligned to our daily peak demand, so on most days we have hardly any surplus battery storage to export. Because of this I haven't set up an Export tariff.

Other than Tomato Energy, the best I could find was EON Next Drive at 6.7p. At the time they would accept new customers without an EV, but they have recently changed the criteria.If we had lots of surplus energy to export, then the EON NExt Drive might have worked out better overall, as they offer around 16.5p per kWh on export.

tamste

My total electricity use is ~ 18,000 kWh per annum, ~75% of which is on E7 (10.7p/kWh). Peak demand is over winter with 25-30kWh required at peak rate on the coldest days.

Currently have 11.4 kWh of solar, restricted to 10kWh by the inverter, and can export (G98) at up to 10kWh (3 phase supply). Solar was fitted in November last year so don't have a full year of data, but I anticipate that my export this year will be ~7000kWh (16.5p/kWh), so offsetting my usage cost overall. So far export has been 4900 kWh since Nov2024. I am considering fitting 25-30 kWh of batteries to cover the peak winter demand, but with standard TOU rates, its looking like the break even point from fitting batteries is too long.

This improves quite a bit with the Next Drive tariff with the lower TOU rate, but not having an EV, though I have a charging point fitted by previous owner, means I won't be able to benefit from this.

Looks like I will have to forget fitting batteries until a better tariff is available, unless they accept something like an electric moped as an EV to get on the tariff.  

QrizB

tamste said:

Looks like I will have to forget fitting batteries until a better tariff is available, unless they accept something like an electric moped as an EV to get on the tariff.  

I don't know about EON Next's requirements, but an electric moped would definitely satisfy Octopus Go (and possibly also Intelligent Go if you have a compatible charge point).

MWT

QrizB said:

tamste said:

Looks like I will have to forget fitting batteries until a better tariff is available, unless they accept something like an electric moped as an EV to get on the tariff.  

I don't know about EON Next's requirements, but an electric moped would definitely satisfy Octopus Go (and possibly also Intelligent Go if you have a compatible charge point).

I wouldn't want to raise hopes regarding IOG, there is nothing on the product offer that suggests anything other than a car is going to meet the requirements, even if you are using an EVSE integration they still need details of the car to set the battery level it expects to find connected to the EVSE. 

born_again

QrizB said:

tamste said:

Looks like I will have to forget fitting batteries until a better tariff is available, unless they accept something like an electric moped as an EV to get on the tariff.  

I don't know about EON Next's requirements, but an electric moped would definitely satisfy Octopus Go (and possibly also Intelligent Go if you have a compatible charge point).

Given OP can not make E7 work, then shelling out £1K for a compatible charger for IOG is going to be out of the question.
If they have off road parking,  then buying a 2nd hand Leaf could be a option. As they are ready for V2G (chargers will cost more than the car at the moment)
Or even just buy a EV instead of their current car. 🤷‍♀️

QrizB

born_again said:

QrizB said:

tamste said:

Looks like I will have to forget fitting batteries until a better tariff is available, unless they accept something like an electric moped as an EV to get on the tariff.  

I don't know about EON Next's requirements, but an electric moped would definitely satisfy Octopus Go (and possibly also Intelligent Go if you have a compatible charge point).

Given OP can not make E7 work, then shelling out £1K for a compatible charger for IOG is going to be out of the question.

OP already has a charge point, brand unknown. It might be a compatible one.

tamste

Not sure if it helps the conversation ... the existing charge point is an evec.

Note this only works for me if all TOU usage is at the lower rate, and close to 7 hours, as E7.
This seems to conflict with some suppliers offerings as they appear to take control of the charge point, and as my main current use is storage heaters, and battery if I can get the numbers to work out.

No intention of buying an EV for use at the moment. Have newish ICE vehicles which we really like. If I buy an EV, its likely not to be used, taxed or insured .. just to satisfy tariff qualification criteria. That's why I wondered if an EV moped would meet the criteria as its cheaper and takes up less room.