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Joined: Jan 20, 2022
Last seen: Jul 22, 2025
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Topics: 16 / Replies: 2416
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RE: Solar battery size- advice please!

I have written to HMRC for clarification on this VAT Notice (708/6). a. It is unclear what rate of VAT applies to a Battery Storage unit if it does ...

2 years ago
Forum
Energy Storage
Reply
RE: Rule change re ASHP

There is a 'live' call for evidence from the Commons Select Committee for ESNZ on the subject "Securing the domestic supply chain". This closes in 4...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rule change re ASHP

Those generation statistics are derived from DUKES 2022 statistics, which I quoted here on another topic. We will require about 90GW of possible gen...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rule change re ASHP

To some extent that may be the case, but it depends which of the National Grid companies you're referring to. My regional DNO is National Grid Elect...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: MCS noise assessments for Heat Pumps

Let me try to unpick that question, @persephone. Your local council appears to be giving the correct advice, but it hasn't quite enabled you to appr...

2 years ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: Seplos Mason DIY Kit - Ancillaries - Advice

Let's deal with the BMS settings first. Very few people seem to question what is meant by an assertion that a BMS or inverter is somehow compatible ...

2 years ago
Forum
Energy Storage
Reply
RE: A beginner's journey into DIY home energy storage - no solar!

I haven't come across a bi-directional inverter which does not have solar input @alphonsoxThat bit of the electronics isn't a substantial part of the ...

2 years ago
Forum
Energy Storage
Reply
RE: A beginner's journey into DIY home energy storage - no solar!

OK. Understood. So you will require a G98 certified inverter because it's grid-tied.And you'll want one with a Current Transformer (CT) which is confi...

2 years ago
Forum
Energy Storage
Reply
RE: A beginner's journey into DIY home energy storage - no solar!

Hi @alphonsox - you're welcome here, whether you use Irish electrons or British ones.Why do your options equate to zero potential? 1: If you're not ...

2 years ago
Forum
Energy Storage
Reply
RE: Seplos Mason DIY Kit - Ancillaries - Advice

Oh woe! You're right to get Brian involved. China doesn't have the Christmas holiday that we get, so he'll be able to work on your case whilst you e...

2 years ago
Forum
Energy Storage
Reply
RE: Seplos Mason DIY Kit - Ancillaries - Advice

You need to pick up this information from the Seplos manual @makia2023 The majority of BMS units do not have a B+ connection at all.Their operating ...

2 years ago
Forum
Energy Storage
Reply
RE: Seplos Mason DIY Kit - Ancillaries - Advice

Good. I'm pleased to hear that. Yes, it is quite common for inverters to require an input before they will operate. There is usually a 'priority' ...

2 years ago
Forum
Energy Storage
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