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Mar 2024
1:45pm, 27 Mar 2024
49,689 posts
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HappyG(rrr)
Buzzes? Ours is outside, so I wouldn't even noticed if it buzzed. But it doesn't! Sounds like they might have a problem or fault with their battery?
Like all things, over 10 years or more, devices may deteriorate. Before buying I did as much investigation as I could and deterioration seems to be less than 20%, even 10% in some studies. Our battery has a guarantee (think it is no worse than 20% over 10 years, but can't remember exactly).
If it saves us £100 a month just now and will only be saving me £80 a month in 10 years (ignoring inflation and changing energy prices) I'll be perfectly happy.  G
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Mar 2024
2:04pm, 27 Mar 2024
3,039 posts
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RunningRonnie
It's no more money down the drain than any other house improvement, assuming your buyers are not complete idiots (well who knows about that though). As for RunningRonnie, any decent combi really ought to be off until used, that's the whole point. We don't have a hot tank at all - getting rid of that was part of the point of changing over, as it was in our bedroom and uncomfortably warm overnight. Can't guarantee that your system isn't odd though!
Thanks - that actually makes sense. We don't have a tank in the house, but I did wonder if there was a small tank inside the machine. Kinda like a buffer of water to ensure there was a steady flow or something. It's a very new boiler.
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Mar 2024
3:09pm, 27 Mar 2024
21,857 posts
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rf_fozzy
Batteries should not buzz. If it's buzzing, there's an electrical fault and it needs looking at.
That's not a reason to not get a battery - just that that one in particular hasn't been done properly and so I'd be having the installers back out to fix.
Dio - the batteries are no different to the batteries in your laptop/EV/other device. In fact, other than being bigger capacity, they are pretty much exactly the same. They charge when you generate excess electricity from the panels and discharge when demand>panel generation.
Although they add to the cost, they reduce the payback time overall. You can add them in later and it's not expensive to do so - they just plug into the inverter.
Roughly speaking (very rough!), I found the breakdown of the system I bought was ~1/4 fitting/paperwork/supplier costs (scaffolding and service costs), ~1/4 battery, ~1/4 panels, ~1/4 inverter. I then added extra panels, but this didn't add a huge amount.
The other thing to be aware is that the fitter I used offered an 12month interest free loan up to a certain amount (think I had to pay 10% deposit no matter what). There were eligibility checks as per any other loan though. If you can't afford the upfront costs, this could be an option.
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Mar 2024
3:11pm, 27 Mar 2024
62,917 posts
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alpenrose
If anyone here plays Trader then grab me at 9 while you can and hold on as I'll only be going up from now on. I'm also after the 50 investors badge so I won't upload my 2 miles just run/walked until this evening.
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Mar 2024
3:19pm, 27 Mar 2024
85,238 posts
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Diogenes
Thanks for all the info guys, it's not something I'd really thought about before, but I might look into it further.
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Mar 2024
3:31pm, 27 Mar 2024
8,308 posts
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um
Although any inverters (or their fans) could well buzz ...
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Apr 2024
4:05pm, 2 Apr 2024
2,136 posts
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Shades
Had my first bill from Octopus, since switched from Shell. Reading accurately from my smart meter and tariff is correct, so all good.
Balance on the account is still wrong, out by one month's DD, but I'm just going to leave it for now as I expect they'll sort it automatically at some time.
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Apr 2024
7:06pm, 2 Apr 2024
26,519 posts
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Bazoaxe
End of march readings and my credit down to £29.50
I increased the payment to the recommended level yesterday and rounded up to the next round number. Eon today told me they had changed my payment and put it down a couple, of quid. I’ve just rounded it back up.
Quite happy with where things are now with monthly cost about 12.5% up from where it was before prices went haywire.
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Apr 2024
2:34pm, 11 Apr 2024
3,129 posts
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Muttley
Octopus refunded me the £300 I requested but forgot to update my credit balance. I have reminded them
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Apr 2024
2:44pm, 11 Apr 2024
2,220 posts
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Shades
Muttley - good on the refund.
I'm going to contact Octopus soon if they don't correct my credit balance within the next month.
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