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I bet they just have a basic formula that says if roof size between X and Y then Z panels.
3KwH battery was another £3ish k but 6KwH battery was less than a grand more so they are pricing in the other materials and components too I think.The more I think about it the more I think it's less likely to be a good solution, more of a "one size fits all" solution. Maximising profits :(
Anyone had a solar installation recently and wouldn't mind sharing rough cost?
I'm in Wilts and they have organised a scheme through Solar Together* where companies bid for the package of work - presumably getting a good deal on a load of work across the county - and have had my "personalised recommendation" which is very light in any info apart from number of panels (12) and cost (about £8k). The next step is to pay the deposit of £150 which doesn't seem like it's refundable if I decide not to go ahead after I manage to get more info.
I'm quite keen on solar and maybe battery storage too but also keen not to get ripped off.
*seems to be legit as it's endorsed by the council
EDIT:
from here https://www.wiltshire.gov.uk/article/6264/Solar-panel-and-storage-group-buying-scheme-to-launch-across-Wiltshire
My issue is paying £150 up front when all other companies would, I assume, come out and quote and talk through specifics before any money had changed hands.