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Joined: Jan 20, 2022
Last seen: Sep 17, 2025
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Topics: 16 / Replies: 2461
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RE: Solar panels not working correctly? what checks can I make?

Here's my interpretation:

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Solar panels not working correctly? what checks can I make?

For that size of array, I strongly suspect that each 'cable' is in fact a single 4mm^2 wire. Two wires equals one string.

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Solar panels not working correctly? what checks can I make?

That Aneng ST209 is also now available on ebay for about £26-£28, and supplied from UK stock. 🙂 I'm still trying to get into the habit of using my ...

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Solar panels not working correctly? what checks can I make?

Apologies; I'd followed the CPC menu system to find that item, but forgot to check that it had indeed arrived at a suitable clamp meter. The equival...

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: My experience with the Selpos Mason DIY kit

Really? The Mason box is intended for Lithium cells. It would be a bit uncomfortable for your Mother, even in vertical orientation. 😋

2 years ago
Forum
Energy Storage
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RE: What do we need to know before installing a heat pump?

Thanks @jamespa I'll add the link to that other topic here. It was very tempting to dive into that discussion when I first saw the subject Rethinkin...

2 years ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: A beginner's journey into DIY home energy storage - no solar!

Yes. 🙂 Whilst I don't mind 'upsetting' MCS, there are good reasons why I always advocate staying the right side of the rules which apply to DNOs an...

2 years ago
Forum
Energy Storage
Reply
RE: Solar panels not working correctly? what checks can I make?

I depends somewhat on where you live @tim441 but most of the UK will have sunshine this next weekend.That gives you just enough time to have an AC/DC ...

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Solar panels not working correctly? what checks can I make?

@gutoffowc - great question... ... but it's difficult to answer immediately because it stretches across solar panels and smart meters, whilst skippi...

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Solar panels not working correctly? what checks can I make?

@tim441 you must have Optimisers on all of those Sunmodule panels.Their spec says the raw panels run at about 31v when MPPT is operating, and output j...

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: What do we need to know before installing a heat pump?

Which is the point being made at the start of this particular topic. BEIS seem to have used the MCS route to "make sure things are properly implemen...

2 years ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: Solar panels not working correctly? what checks can I make?

Those figures for a (light) cloudy day sound about right to me.I generally assume that such conditions will decrease panel output to around one-sevent...

2 years ago
Forum
Solar Photovoltaic (PV)
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