Here’s a bright idea: what if, instead of buying solar panels to keep your electricity bills down, solar companies put them on your roof free, allowing you to pay them back with excess energy that you didn’t need?
Well, it’s already happening. Solar panel installation with no up-front payments, paid off over several years from the money saved out of your power bills, began in Australia almost two years ago. In a few years, it is likely that companies will be competing with each other to pay you for the privilege of using your roof to generate electricity.

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