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I my opinion, I think it comes down to mindset. From what I can see, most people here are engineers, scientists or people who work in technical fields. So I think it is a case that most of us are problem solvers and look for a solutions where possible - and also think longer term. Most people in the...

Am I right in thinking that you need to have an EV too in order to get the best TOUs?

Without the TOU it is much harder to achieve

Thank you for the thoughts, but can I just clarify to see I am understanding correctly. Consumer Unit 1 (DB1) as you described connected directly to grid supply. From DB1 there is a 16A connection to a hybrid inverter (HI1) that charges Battery Stack 1 (BS1) in the house at programmed intervals and ...

As an additional thought - I think the only other area to approach is the AC units - as you pointed out. I have looked at two multi split units which would manage every area in the house - but there are a couple of realities: 1. Not every room in the house will always be occupied - during the day I...

If max demand calcs come out at 106A then any spark would let that through with a roll of their eyes and a sigh… However I have some problems with your methodology… Having DB3 and DB4 next to eachother in the outbuilding (similar to DB1 and DB2 in the house) is fine. Disregard my earlier concerns. ...

As an additional thought - I think the only other area to approach is the AC units - as you pointed out. I have looked at two multi split units which would manage every area in the house - but there are a couple of realities: 1. Not every room in the house will always be occupied - during the day I ...

I’ve never heard of a 5kW shower, the lowest I’ve seen are 7.5kW but they’re pretty rare, 9.5kW or 10.5kW are the most common. You’re supposed to go off of the breaker rating prima facie, because you’re supposed to be able to do max demand calcs simply by looking at the CU. You can do further inves...

Main Consumer Unit PV - 32A Eddi - 16A Outbuilding - 40A Zappi Charger - 32A - This is a future install but I need to maintain the spot AC 1 - 16A - This is a next year install AC 2 - 16A - This is an install probably 2-3 years down the line Shower 1 - 40A - This will be removed next year and I am ...

Just fit 2 boards 1 essential 1 non essential Everything you want to work off the UPS goes on the essential and is fed from the UPS circuit you just need to acknowledge the limitation That’s what I’m planning on doing on the 8kW inverter However I am using my existing generator changeover switch wh...

My comments: You need to do max-demand calculations! Very doubtful that you'd get away with 2x electric showers... THe circuits you're referring to are not "ring mains" they are "ring finals". IMO you've got way too much on the UPS/EPS CU. No need to have all your sockets powere...