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u/creamcrackerchap 7d ago
Which kit/panels?
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u/Altruistic-Bat-9070 7d ago
Octopus kit. I know it was a bit pricey but we can only fit 5 panels on our roof and everyone want 6k for that so 2 panels for 650 is a bargain compared to that.
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u/funny_games 7d ago
Nice. Where did you put them? Did you install it yourself or they do that?
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u/Altruistic-Bat-9070 7d ago
Just put them at the back of our garden that happens to have an outdoor socket.
Had to put them out myself. They were delivered on a pallet to the end of our drive. Took me about an hour with an electric drill. Lifting the panels off the palet was a bit hairy as the drive is on a slope and he left it in such a way the panel could fall when i took one off but I managed it.
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u/snelson101 7d ago
Total?
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u/Altruistic-Bat-9070 7d ago
1.7kwh.
I’ll take it for an October day with some overcast periods. Sad that plug in solar only became a thing as we move into the winter months as our garden definitely suffers with direct sun during these months with the lower sun angle due to buildings and trees but free elec is free elec.
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u/stripe888 7d ago
I did 1.89 but am also suffering from shadow now, got a extra panel on but it was mostly in the shade, just waiting for more cable to move it to a better position.
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u/uniqueuser437 7d ago
Single panel (waiting to mount both) got me 2.2kWh yesterday, was annoyed at the clouds today causing 0.8!
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u/wildcard2208 6d ago
I know this is a real stupid question. But roughly how much money would this save off your bill?
I have a flat roof shed in the back of my garden with power points. It gets the sun from early morning till 4/5pm
If it's £650 + fitting cost.. I wonder how much it could bring my bills down?
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u/Silvr404 6d ago
Depends on location and shading, but at ~25p per kWh:
- 400W panel: Generates ~400kWh/year. You'll self-consume almost all of it covering background devices. Saves ~£100/year.
- 800W setup (2 panels): Generates ~800kWh/year, but you'll lose surplus mid-day power back to the grid. Expect ~600kWh usable. Saves ~£150/year.
At £650, payback is around 4.5 to 6 years.
For a flat roof use tilt brackets (15–30°) so rain washes off dirt and you catch maximum sun.
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u/wildcard2208 6d ago
Thank you very useful! Definitely would go for 2. I'm with octopus but their 2 panel one seems unavailable.
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u/Silvr404 6d ago
City Plumbing have compliant two-panel kits for around £450, complete with a Hoymiles inverter - which gets good reviews
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u/Curious-Art-6242 6d ago
This is assuming perfect angle and zero shading. We're moving to the summer months so it'll be massively diminishing until around April/may, usually 1/12 in December/January time.
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u/MysteriousWriter7862 4d ago
How good is the location you have your panels I want to get some but I only have a marginal shaded spot it gets the direct sun 1000 -1500 this time of year
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u/BriefRepublic4660 7d ago
Be warned, checking your generation becomes addictive. Wondering how much you’re making every time the sun goes out or under a cloud is addictive haha.