There is no payback period for the PWs, at least not for me. It's an investment, like a generator.
Perhaps there is some payback over time with the units, filling in the gaps at night and such. But, it would be > 10 years, which would be about the time I'd need to look at new batteries. From my research on solar, batteries are the hardest item to achieve ROI on. Perhaps in some areas where power companies have high peak rates it may get closer to paying for itself. You get batteries if you are off-grid, want to minimize usage during peak times/rates, or, use it as a generator.
I figure in 10 years, we should have far better battery technology. Or maybe I'll have a Mr Fusion.
Perhaps there is some payback over time with the units, filling in the gaps at night and such. But, it would be > 10 years, which would be about the time I'd need to look at new batteries. From my research on solar, batteries are the hardest item to achieve ROI on. Perhaps in some areas where power companies have high peak rates it may get closer to paying for itself. You get batteries if you are off-grid, want to minimize usage during peak times/rates, or, use it as a generator.
I figure in 10 years, we should have far better battery technology. Or maybe I'll have a Mr Fusion.
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