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I think it’s a no brainer to get a battery personally. Basically it means we hardly import any electricity for half the year because the battery charges over the day and then discharges at night.
It doesn’t take up that much space and you may as well get one while you’re paying for the panel installation, rather than having to pay again for installation if you realise you want one later.
Samuelson
A couple of questions for anyone with knowledge of solar setups (for context we're thinking about a 10-panel setup on our SW-facing roof, to be installed during a full-house refurb):
Is it a no-brainer to get a battery? I'm trying to work out the pros and cons. Storing excess production and running stuff from a battery would obviously reduce kWh used from the grid, but is the extra initial cost, space and general faff worth it? Would a battery pay for itself fairly quickly?
The panels would be split (6:4) between two adjoining staggered roofs that have the same orientation but slightly different pitches. The initial schematic that has been worked up shows a single inverter for all 10 panels. I've read that the output of the entire array can be choked by a single panel being shaded. Is it a better idea to have a separate inverter for each roof or even for every panel?