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Help with finishing a solar installation on my roof
Hi all, I am looking for help finishing a solar installation.
Long story short.
2022 had solar panels installed – I brought the panels, brought a roofing company in to fit.
Got ripped off by roofing company who did a crap job.
Had someone else to come in and help.
I have 16 panels on 3 individual strings that all run into the garage.
So far I am £12k in (utterly ripped off).
I need to get someone who knows their stuff with inverters and who can help me finish. Willing to pay for the time and guidance.
So you know I am not interested in exporting to grid – I am more interested in just minimising what I am taking from the grid.
I have 16 panels, average net consumption around 12-15 kwh per day.
Average typical consumption is around 1 kwh peaking to 7-8kw/h in the evenings.
So thinking of maybe a 8-10kw inverter?
I have no idea whether G98 applies if there is no export to grid, I know roughly what the rules are but I don’t want to end up buying the wrong inverter, not being able to get the right battery storage etc.
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7 Replies
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I would seriously advise getting an MCS company who know what they are doing to sort that mess out.
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Get a harness on the roof and make sure your ladder doesn’t slip. It’s not a shock that kills you, it’s the fall.
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You really need it designing properly
For example 16 x 425w panels 6.8kW will happily run on a 5kW inverter if it allows for 1.5 times dc oversizing but you will only get 5kW usable power
If you wish to minimise power from thee grid then a battery add on would be beneficial
But all this is useless until you have applied and received your G99 approval as this will stipulate the max power to the grid allowed
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Daniel whoever you choose to help you in this it is important that yourself understand what it is done and how it is working!
it is not rocket science but it needs a bit of patience. Do not pay attention to people that telling you about mess and other stuff.
Step back and breath a bit tale a bit of time for yourself and learn.
There are people to help but you need to know and understand what they are saying…. We start with the inverter …
what type model you have ?
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So you bought the panels then got someone in to fit them, hoping to save some money? correct me if wrong. It hasn’t worked out, now you’re hoping someone will fescue on the cheap.
How have you managed to spend 12k to get to this stage
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All these comments on here, wow!
If you want something to actually work cause all these installers are selling shit!
Go for a tesla power wall 3, it’s a battery with a inverter, can get up 8 strings on it it, can power the whole house, wouldn’t even feed back into grid!!
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Do your own research and do it yourself, you don’t need DNO approval if you’re not exporting.
Look into it and it really isn’t that difficult.
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