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[Sticky] Solar Power Output – Let’s Compare Generation Figures

Mars · 2021-03-16T16:40:26Z

A thread to post your great, not so great and downright awful stats about solar PV production.

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Solar Photovoltaic (PV)

Last Post by Papahuhu 2 weeks ago

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ChandyKris

(@chandykris)

Reputable Member Member

Joined: 2 years ago

Posts: 209

01/10/2026 1:51 pm

@papahuhu Unfortunately yes, due to how the houses are staggered and the crescent layout, next door neighbour's big trees start to shade our panels. Until the middle of September, due to the position of the sun, this doesn't affect the generation.

16 * 435 watts PV
13 kWh Growatt battery
1 EV - Mercedes EQB
6 kW Aira Heat Pump
Bosch Induction Hob
Pod Point Solo 3 charger

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Papahuhu

(@papahuhu)

Honorable Member Member

Joined: 1 year ago

Posts: 444

01/10/2026 3:12 pm

We have the same problem, 12 mature trees clip the morning sun for our entire east facing aspect. Until noon our generation is 50% of theoretical. I can’t bring myself to cut them down, they were there long before I was and some belong to the national park. If I ever move I’m looking for a small stream and enough slope and will install hydro, easy to get 2kW 24/7, 365, true off-grid and low cost install.

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Toodles

(@toodles)

Famed Member Contributor

Joined: 4 years ago

Posts: 3064

01/11/2026 6:24 pm

@papahuhu Meanwhile, here are the October solar yields for the last 4 years; this year’s figures are the highest yet even with all those gloomy days!

Regards, Toodles.

Toodles, heats his home with cold draughts and cooks food with magnets.

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Toodles

(@toodles)

Famed Member Contributor

Joined: 4 years ago

Posts: 3064

01/11/2026 6:26 pm

Toodles, heats his home with cold draughts and cooks food with magnets.

👍

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Papahuhu

(@papahuhu)

Honorable Member Member

Joined: 1 year ago

Posts: 444

01/11/2026 8:04 pm

Very nice.

we’ve been super soggy here, but rather mild. So what we have lost in generation we have gained by needing very little heating.

Making a killing with my import and export tariff regime, 15p arbitrage, using cosy import and flux export. Don’t know why everyone doesn’t do it, all goes to pay for the battery.