How big should my solar system be?

The right size of a solar panel system has changed over the years and for now, smaller may be better. Part two of a three-part series on the issues facing buyers of rofftop solar.

One of the first questions the buyer of a solar panel system has to answer is ‘how big should it be?’

Salesmen give different rationales for how this should be determined but their strategy seems to be driven more by their assessment of a buyer’s motivation than what is in the customer’s interest.

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