Solar PV + battery install tariff Q's

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Hi all,

I'm about to go ahead with a 6kw Solar PV install and the final decision I have to make is how much battery storage I want/need.

I'm looking at getting a good size +/-12kw battery so I can store cheap energy from the grid in winter.

My question is, I am not economy 7 and I do not own a EV so that rules out any cheap overnight EV tariffs. Would anyone know of or recommend a cheaper overnight tariff that can be had without the need of an EV?

I did find the GEUK Tide tariff but can not get a price per kWh due to everything that is currently going on with the whole electric supply cost.

Any help/advice appreciated. 
B&SC - 337

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  • QrizB
    QrizB Posts: 13,822 Forumite
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    edited 19 March 2022 at 11:47PM
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    My question is, I am not economy 7 and I do not own a EV so that rules out any cheap overnight EV tariffs. Would anyone know of or recommend a cheaper overnight tariff that can be had without the need of an EV?
    I did find the GEUK Tide tariff but can not get a price per kWh due to everything that is currently going on with the whole electric supply cost.
    Any help/advice appreciated. 
    Depending on your daily consumption, the sun shining, and how that compares to your 12kWh battery, you might not need to import much power for the next 6 months or so. That gives you a window to find a tariff.
    You're not E7 now but there's no reason why you couldn't be in future, so I'd look at that as your backstop. EDF, for example (see here), are offering tariffs as low as 13.4p/kWh (rates vary by region and payment method) which is a decent saving vs. the standard rate.
    N. Hampshire, he/him. Octopus Go elec & Tracker gas / Shell BB / Lyca mobi. Ripple Kirk Hill member.
    2.72kWp PV facing SSW installed Jan 2012. 11 x 247w panels, 3.6kw inverter. 30MWh generated, long-term average 2.6 Os.
    Taking a break, hope to be back eventually.
    Ofgem cap table, Ofgem cap explainer. Economy 7 cap explainer. Gas vs E7 vs peak elec heating costs.
  • MartinSpoon
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    I'm also looking for an answer to this, please share if you have any success!
  • flyinggoose
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    Also in the same boat, having a battery installed later this year and don't have an ev (and don't plan on having one for quite some time), EDF seem to do decent economy 7 rates, it's a shame you can't easily compare economy 7 tarrifs online, I'm hoping that I can live off the battery for 6-8 months and for the remaining months use an economy 7 tariff to charge the battery overnight.
  • QrizB
    QrizB Posts: 13,822 Forumite
    First Anniversary First Post Photogenic Name Dropper
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    EDF seem to do decent economy 7 rates, it's a shame you can't easily compare economy 7 tarrifs online
    We were discussing E7 rates on the main energy forum a month or so ago. I don't have E7 but EssexHebridean does; he's with Utility Warehouse who had a very cheap E7 night rate until the recent change (7.xp/kWh) but they're now slighhtly more expensive than EDF, at least in his area.
    This post refers to the outcome of discussion (I've not yet dredged up the diiscussion itself):
    https://forums.moneysavingexpert.com/discussion/comment/79068089/#Comment_79068089
    N. Hampshire, he/him. Octopus Go elec & Tracker gas / Shell BB / Lyca mobi. Ripple Kirk Hill member.
    2.72kWp PV facing SSW installed Jan 2012. 11 x 247w panels, 3.6kw inverter. 30MWh generated, long-term average 2.6 Os.
    Taking a break, hope to be back eventually.
    Ofgem cap table, Ofgem cap explainer. Economy 7 cap explainer. Gas vs E7 vs peak elec heating costs.
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