27 November 2021
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Who's your electricity provider and what's your tariff?

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Derek M
(@derek-m)
Member Moderator
Joined: 9 months ago
Posts: 643
 
Posted by: @justinsb

@kev-m TBH, I'm now thinking that I should go Economy 7, as my Solar Panels ought to take care of much of the daytime usage, hopefully.

Hi Justin,

I'm afraid that your solar PV system will not provide much of the power that will be required by your ASHP, so the higher tariff of the daytime electricity may make it more expensive in the long run. Your ASHP will probably be using more energy overnight, so the sums may add up.

I am about to post the modelling tool spreadsheet under Kev's trend, which you may find of use in making your decision.


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batalto
(@batalto)
Intermediate Member
Joined: 8 months ago
Posts: 361
 

@derek-m I'm finding my batteries are very useful in bringing down my current tariff. However for those without batteries I think the payoff may be marginal. I imagine you'll end up being broadly flat in terms of average price


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Kev M
(@kev-m)
Member Moderator
Joined: 9 months ago
Posts: 422
 
Posted by: @justinsb

@kev-m TBH, I'm now thinking that I should go Economy 7, as my Solar Panels ought to take care of much of the daytime usage, hopefully.

The break even point is about 70/30 day/night without PV (which is also 7/24 give or take).  I'll have to look at my numbers.


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Derek M
(@derek-m)
Member Moderator
Joined: 9 months ago
Posts: 643
 
Posted by: @batalto

@derek-m I'm finding my batteries are very useful in bringing down my current tariff. However for those without batteries I think the payoff may be marginal. I imagine you'll end up being broadly flat in terms of average price

Hi Batalto,

You are probably correct. I have considered batteries and some additional solar panels, but since we are still using the gas boiler for the major heating load, I'm not certain of the benefit.

My other concern would be if tariffs like Octopus Go will still be available into the future, given what has been happening in the energy markets.

This post was modified 4 days ago by Derek M

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batalto
(@batalto)
Intermediate Member
Joined: 8 months ago
Posts: 361
 

@derek-m to be honest, they've delivered a lot of value just with the solar. Adding in Go just gives me even greater benefit


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Mars
 Mars
(@editor)
Member Admin
Joined: 10 months ago
Posts: 591
Topic starter  

We’ve been without power since midnight courtesy of storm Arwen. Latest update is we’re back on tomorrow with power. Fires are on. 


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batalto
(@batalto)
Intermediate Member
Joined: 8 months ago
Posts: 361
 

@editor that makes me nervous as we have no fires... Then again, we aren't exactly remote


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Mars
 Mars
(@editor)
Member Admin
Joined: 10 months ago
Posts: 591
Topic starter  

On the plus side we’re not paying 24p/kWh of power today 😀 


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