Should I buy a Home Storage Battery for my solar PV system?

Should I buy a Home Storage Battery for my solar PV system?
Should I buy a Home Storage Battery for my solar PV system?

Yes, I’m just 6 months into my solar PV ownership. I love it so much I’m looking to add to it an independent 1.2kw some array. It needs to be independent to avoid impacting my FiT tariff.

Did I get it wrong going for 3.9 kwp initially?
Maybe. Financially, it’s the perfect solution but for enjoyment and maximising my potential I should have put 4 more panels up giving a 5kwp solution.

I really am quite surprised how much enjoyment I’m getting from the system. Another £1600 for an additional 1kw giving me 4.7kw total usable power in peak conditions is well worth the extra money in my opinion. I’m struck with the comparison of an exercise machine I’ve been considering which isn’t far off this cost.
I know which I’d rather have.

But a 6.3kwh battery for another £4,000 or 13.5kwh Powerwall for £9,000 , can I really justify this level of expenditure for the additional gains of a battery.

The cost savings are smaller for a battery than the panels themselves but the flexibility a battery delivers, smoothing out spikes, enabling zero grid use on many days and of course switching off from manually trying to optimise solar usage. The battery can take care of that for me.

The desire to just go for it is strong but my head says wait. What do you think?

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Power Different
Kristian Daynes
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