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Tricky Dicky
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Originally Posted by Rovert
As a general observation, anyone referring to Wind Turbines as Wind Mills probably is not qualified to comment on the subject.
Brilliant 😂. and so Trump referring to them as such.


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Sadly, guys the term 'windmill' for what we call 'turbines' (making electricity rather than milling grain) ... is perfectly acceptable in some areas and appears as such in multiple dictionaries. No accounting for the flexibility of language 🙂

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Given that one of his former high level cabinet members called him a "...f*king moron...", please consider the source. I'm among the majority of Americans who think that re-electing him is the moral equivalent of backing up TITANIC to hit the iceberg again, just for good measure...

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Originally Posted by John V6
We do the same. The load shifting from 2am to 5am fills the batteries at low cost 15p per unit.
I have octopus flux so they have a low tarriff 2 till 5 then normal (26p)but from 16 to 1900hrs they charge 35p per kWh so I ensure I top them up by 15 59
Export prices also follow a similar pattern.

Does this mean you could charge your batteries at the cheap rate and then release the energy back at a dearer rate?
Sounds like a good wheeze....(Although not so good for the planet bearing in mind the overall loss each time energy is converted...)

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Originally Posted by nick w
Does this mean you could charge your batteries at the cheap rate and then release the energy back at a dearer rate?
Sounds like a good wheeze....(Although not so good for the planet bearing in mind the overall loss each time energy is converted...)

Yep, that's what we do. Our direct debit has reduced by £50/month as a result.


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Yes you could. Octopus only allow one make of inverter to do that right now and mine is not approved.
But I have 4.2kWh storage only, you would need more which is why cars are interesting.
The lowest ican buy in 15.44 p per unit and export at 27.44p max. Assuming 10% losses you would make money.
Each 2.1 kwh battery is £1k roughly so at 10p per unit that a say 20p per day savings.


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Originally Posted by nick w
Does this mean you could charge your batteries at the cheap rate and then release the energy back at a dearer rate?
Sounds like a good wheeze....(Although not so good for the planet bearing in mind the overall loss each time energy is converted...)

I have just ordered a system through my local council's "Solar Together" scheme. I only realised this "wheeze" was possible when the surveyor doing the site survey mentioned it ... consequently, I've doubled the battery capacity to 10kWh.


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Scruffy Oik
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Originally Posted by John V6
The lowest ican buy in 15.44 p per unit and export at 27.44p max.

This is where one needs to do the sums appropriately for one's situation and consumption profile. I can buy in at £0.08 overnight but I don't get anything for export so it doesn't make sense for me to have a battery that is too large. I charge 7KWh overnight and then use it in the day when I would be paying £0.30 for the power, so I save around £45/month. In the summer I give loads of power back to my supplier and earn nothing for it, but I'm happy to support Ecotricity, I like the company ethics and a fair few of my mates work for them.

The only thing I would change about my installation is that when I had mine installed the technology to isolate the panels from the grid in case of an outage was pretty expensive, now it's very feasible, so if I were to do it again I'd go for a Tesla Powerwall with 10KWh that would give me grid independence for 24 hours. Mind you, in the nearly 40 years we've lived here we've never had a power cut longer than a few hours so it's a pretty low risk I reckon.

Last edited by Hamwich; 04/01/25 06:30 PM.

Tim H.
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Originally Posted by Hamwich
Originally Posted by John V6
The lowest ican buy in 15.44 p per unit and export at 27.44p max.

This is where one needs to do the sums appropriately for one's situation and consumption profile. I can buy in at £0.08 overnight but I don't get anything for export so it doesn't make sense for me to have a battery that is too large. I charge 7KWh overnight and then use it in the day when I would be paying £0.30 for the power, so I save around £45/month. In the summer I give loads of power back to my supplier and earn nothing for it, but I'm happy to support Ecotricity, I like the company ethics and a fair few of my mates work for them.

The only thing I would change about my installation is that when I had mine installed the technology to isolate the panels from the grid in case of an outage was pretty expensive, now it's very feasible, so if I were to do it again I'd go for a Tesla Powerwall with 10KWh that would give me grid independence for 24 hours. Mind you, in the nearly 40 years we've lived here we've never had a power cut longer than a few hours so it's a pretty low risk I reckon.

That's a bit strange as you should get FiT and deemed export which is 50% of your FiT generation


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Well I think that is pretty disgraceful on several levels.
For instance.....yet more perks for the well off whilst poorer people who can't invest in the tec have to pay more than ever for their energy.
For instance.... it's a hideous thing for the environment...the losses of actual energy in the conversions to and from the batteries....and the environmental cost of manufacturing the big batteries involved and the cost to the following generations of disposing of the things.
I'm quite shocked.
Should we feel guilty at this done in the name of ecofriendliness? Yes, very much so.
Nick

Last edited by nick w; 04/01/25 10:22 PM.
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