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Those of you with solar panels, what's been your experience? (feddit.uk)

submitted 5 days ago by blackn1ght@feddit.uk to c/askuk@feddit.uk

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I'm thinking of getting solar panels and a battery for our house.

What's your setup like, and is there anything you wish you'd set up differently if you were going to install it again? What supplier are you with?

A company extremely local to us is offering 12x Aiko Energy panels (465 watt), with a Sunsynk 5 kW inverter and a 5.32kWh battery. Octopus Energy are offering a similar set up for a similar price, but they're using 450 watt panels, so with using 12 panels I'd be potentially be losing 180 watts vs what the other company is offering. Is that a significant amount or would it basically not really amount to much additional power?

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[–] Hugin@lemmy.world 1 points 3 days ago (1 children)

Thanks for the link.

I've got a islanded section for off grid and the balancer transformer. It's just the settings for the battery don't seem to allow for no battery export only local use.

I have frequent power outages so I want to export unused solar but save battery for the house. It feels likes there should be a setting allowing that.

[–] thr0w4w4y2@sh.itjust.works 1 points 3 days ago

I guess my solution that would be a UPS that detects the power outage, provides 1-2 minutes of power while a connected controller (a raspberry pi or similar) forces the inverter into off-grid mode. When power is restored, a connected current clamp/CT sensor can tell the raspberry pi to cancel off-grid mode.

A bit complex but I suppose the other option is relay isolators / mains contractors which are a bit too “high voltage” for me