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$40k seems very expensive to me.

In the UK for £17k you can get 7KW panels and a 13.5kWH battery, installed. That's approximately $21k

To use more battery than that you must be staying up very late!




I paid 60K, but it was 15 years ago. Half of the price was the structure that nowadays is not needed. Today the same installation but on a fixed roof + 20% power to offset inefficiency would cost me about 10K.


Yeah - I am going to do this asap.




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